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Sample records for oracle java binary

  1. T-561: IBM and Oracle Java Binary Floating-Point Number Conversion Denial of Service Vulnerability

    Broader source: Energy.gov [DOE]

    IBM and Oracle Java products contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on a targeted system.

  2. V-185: Apache OpenOffice SDK Oracle Java JavaDoc Spoofing Vulnerabilit...

    Broader source: Energy.gov (indexed) [DOE]

    Apache OpenOffice SDK Oracle Java JavaDoc Spoofing Vulnerability PLATFORM: Apache OpenOffice SDK 3.x ABSTRACT: Apache has acknowledged a vulnerability in Apache OpenOffice SDK...

  3. V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    2: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary Code April 25, 2013 - 12:14am...

  4. T-558: Oracle Java SE and Java for Business Critical Patch Update Advisory- February 2011

    Broader source: Energy.gov [DOE]

    This Critical Patch Update contains 21 new security fixes for Oracle Java SE and Java for Business. 19 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without the need for a username and password.

  5. V-051: Oracle Solaris Java Multiple Vulnerabilities | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And Statistics » USAJobs Search USAJobs SearchWater-Saving Projects1: Oracle Solaris Java

  6. V-083: Oracle Java Multiple Vulnerabilities

    Broader source: Energy.gov [DOE]

    A Critical Patch Update is a collection of patches for multiple security vulnerabilities. The Critical Patch Update for Java SE also includes non-security fixes. Critical Patch Updates are cumulative and each advisory describes only the security fixes added since the previous Critical Patch Update and Security Alert.

  7. U-014: Oracle Java Runtime Environment (JRE) Multiple Flaws Let...

    Broader source: Energy.gov (indexed) [DOE]

    SDK and JRE 1.4.233 and prior ABSTRACT: A remote user can create a Java applet or Java Web Start application that, when loaded by the target user, will access or modify data or...

  8. T-641: Oracle Java SE Critical Patch Update Advisory- June 2011

    Broader source: Energy.gov [DOE]

    This Critical Patch Update contains 17 new security fixes for Oracle Java SE - 5 apply to client and server deployments of Java SE, 11 apply to client deployments of Java SE only, and 1 applies to server deployments of Java SE only. All of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a network without the need for a username and password. Oracle CVSS scores assume that a user running a Java applet or Java Web Start application has administrator privileges (typical on Windows). Where the user does not run with administrator privileges (typical on Solaris and Linux), the corresponding CVSS impact scores for Confidentiality, Integrity, and Availability are "Partial" instead of "Complete", and the corresponding CVSS Base score is 7.5 instead of 10 respectively. For issues in Deployment, fixes are only made available for JDK and JRE 6. Users should use the Java Web Start in JRE 6 and the new Java Plug-in introduced in 6 Update 10. CVE-2011-0862, CVE-2011-0873, CVE-2011-0815, CVE-2011-0817, CVE-2011-0863, CVE-2011-0864, CVE-2011-0802, CVE-2011-0814, CVE-2011-0871, CVE-2011-0786, CVE-2011-0788, CVE-2011-0866, CVE-2011-0868, CVE-2011-0872, CVE-2011-0867, CVE-2011-0869, and CVE-2011-0865

  9. U-191: Oracle Java Multiple Vulnerabilities | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaicsStateof Energy TwoEventScripting AttacksCode |9:1: Oracle

  10. U-105:Oracle Java SE Critical Patch Update Advisory | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaicsStateof Energy TwoEvent at theArbitrary Code5:Oracle Java

  11. Java ########### Java ############### Java ##############

    E-Print Network [OSTI]

    Hagiya, Masami

    Java ########### ############### #### #### # ######### ###### Java ############### Java ############## ## ################################## ## Java ##################### #### Java ##### ########################### ######### ############ Stata # Abadi #### #### Qian

  12. Install Sun Java Plug-In for PRISM You will need administrator rights to your computer to install Java.

    E-Print Network [OSTI]

    Sibille, Etienne

    Install Sun Java Plug-In for PRISM You will need administrator rights to your computer to install Java. Please contact your technical support group for assistance. 1. Go to the following web site to download the Sun Java plug-in. http://www.oracle.com/technetwork/java/javase/downloads/index.html 2. Next

  13. Explore Java What Is Java?

    E-Print Network [OSTI]

    Myers, Brad A.

    Explore Java Must Reads What Is Java? Download the Java Development Kit Install the Java SE Development Kit Create Your First Java Program Reserved Words in Java Most Popular Free Java Newsletter! By Category Enter email address Getting Started Programming Concepts Tutorials Java Syntax Building

  14. Company Name: Oracle Web Site: www.oracle.com

    E-Print Network [OSTI]

    New Hampshire, University of

    , current product ownership, current and future technology plans and targeted areas of opportunity To viewCompany Name: Oracle Web Site: www.oracle.com Industry: Technology Brief Company Overview: Oracle company. With more than 370,000 customers including 100 of the Fortune 100 in more than 145 countries

  15. Prolog Java Prolog Java Prolog Cafe Prolog

    E-Print Network [OSTI]

    Banbara, Mutsunori

    0 Prolog Java Prolog Java Prolog Cafe Prolog WAM Java Java Prolog Cafe Prolog Java Prolog Cafe Java Prolog Prolog Cafe Java Java Prolog Prolog Prolog Cafe SAT Multisat We present the Prolog Cafe system that translates Prolog into Java via the WAM. Prolog Cafe has the advantages of portability, extensibility

  16. Java XMGR

    SciTech Connect (OSTI)

    Dr. George L. Mesina; Steven P. Miller

    2004-08-01

    The XMGR5 graphing package [1] for drawing RELAP5 [2] plots is being re-written in Java [3]. Java is a robust programming language that is available at no cost for most computer platforms from Sun Microsystems, Inc. XMGR5 is an extension of an XY plotting tool called ACE/gr extended to plot data from several US Nuclear Regulatory Commission (NRC) applications. It is also the most popular graphing package worldwide for making RELAP5 plots. In Section 1, a short review of XMGR5 is given, followed by a brief overview of Java. In Section 2, shortcomings of both tkXMGR [4] and XMGR5 are discussed and the value of converting to Java is given. Details of the conversion to Java are given in Section 3. The progress to date, some conclusions and future work are given in Section 4. Some screen shots of the Java version are shown.

  17. Unambiguous discrimination among oracle operators

    E-Print Network [OSTI]

    Anthony Chefles; Akira Kitagawa; Masahiro Takeoka; Masahide Sasaki; Jason Twamley

    2007-07-08

    We address the problem of unambiguous discrimination among oracle operators. The general theory of unambiguous discrimination among unitary operators is extended with this application in mind. We prove that entanglement with an ancilla cannot assist any discrimination strategy for commuting unitary operators. We also obtain a simple, practical test for the unambiguous distinguishability of an arbitrary set of unitary operators on a given system. Using this result, we prove that the unambiguous distinguishability criterion is the same for both standard and minimal oracle operators. We then show that, except in certain trivial cases, unambiguous discrimination among all standard oracle operators corresponding to integer functions with fixed domain and range is impossible. However, we find that it is possible to unambiguously discriminate among the Grover oracle operators corresponding to an arbitrarily large unsorted database. The unambiguous distinguishability of standard oracle operators corresponding to totally indistinguishable functions, which possess a strong form of classical indistinguishability, is analysed. We prove that these operators are not unambiguously distinguishable for any finite set of totally indistinguishable functions on a Boolean domain and with arbitrary fixed range. Sets of such functions on a larger domain can have unambiguously distinguishable standard oracle operators and we provide a complete analysis of the simplest case, that of four functions. We also examine the possibility of unambiguous oracle operator discrimination with multiple parallel calls and investigate an intriguing unitary superoperator transformation between standard and entanglement-assisted minimal oracle operators.

  18. Thinking in Java, 2nd Edition, Release 11

    E-Print Network [OSTI]

    Sherrill, David

    ever written on Java. Ravindra Pai, Oracle Corporation, SUNOS product line This is the best book, software, white papers, interviews, product reviews, Web links, code samples, a forum, and regular articles-too-distant future. Randall R. Hawley, Automation Technician, Eli Lilly & Co. The best computer book writing I have

  19. Experto Universitario Java Enterprise Lenguaje Java Avanzado

    E-Print Network [OSTI]

    Escolano, Francisco

    Experto Universitario Java Enterprise Lenguaje Java Avanzado Sesión 2: Colecciones de datos © 2012-2013 Depto. Ciencia de la Computación e IA #12;Experto Universitario Java Enterprise Lenguaje Java Avanzado Java Enterprise Lenguaje Java Avanzado © 2012-2013 Depto. Ciencia de la Computación e IA Colecciones

  20. Eclipse Java highgrep Eclipse

    E-Print Network [OSTI]

    Chiba, Shigeru

    14 99-0553-0 15 2 6 #12;1 Unix grep Eclipse Java Java ( ) · · Java highgrep highgrep Eclipse #12.2 . . . . . . . . . . . . . . . . . . . . . . . . . . 48 A 52 #12;6 2.1 Eclipse . . . . . . . . . . . . . . . . . . . . 16 2.2 Eclipse Java #12;8 1 Unix grep [4] A A A A Eclipse Java #12;1 9 Java ( ) · · int Eclipse Java Java highgrep

  1. Lenguaje Java Avanzado 1 Introduccin al lenguaje Java.......................................................................................4

    E-Print Network [OSTI]

    Escolano, Francisco

    Lenguaje Java Avanzado Índice 1 Introducción al lenguaje Java.......................................................................................4 1.1 Java......................................................................................5 1.3 Componentes de un programa Java

  2. JavaKollektionen Java Collection Framework

    E-Print Network [OSTI]

    Schürmann, Michael

    459 JavaKollektionen Java Collection Framework Bereitstellung wichtiger Kollektionen (Listen Implementierung häufig benutzter Algorithmen (Suchen, Sortieren, kleines/grö�tes Element, ...) Basis: java.util.Collection #12;460 Schnittstelle für alle Kollektionsklassen (1) Schnittstelle java.util.Collection Grö�e der

  3. Java Defensive Optimization

    E-Print Network [OSTI]

    Wang, Haoqing

    2015-01-01

    optimization with the new Java 8 feature: type annotation.12] is an extension of Java type system and can be used withon State Of the Art in Java Program Analysis, SOAP ’13,

  4. Java Programming Certificate Program

    E-Print Network [OSTI]

    Loudon, Catherine

    Java Programming Certificate Program COMPUTER PROGRAMMING The Java programming language lies that fuel the Internet economy. In addition, the portability inherent in Java is useful for programming languages are likely to encounter projects in the near future that require knowledge of Java. Who Should

  5. Java Programming Certificate Program

    E-Print Network [OSTI]

    Loudon, Catherine

    Java Programming Certificate Program COMPUTER PROGRAMMING The Java programming language lies that fuel the Internet economy. In addition, the portability inherent in Java is useful for programming are likely to encounter projects in the near future that require knowledge of Java. Who Should Enroll

  6. V-185: Apache OpenOffice SDK Oracle Java JavaDoc Spoofing Vulnerability |

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyThe U.S.Lacledeutilities. The Economics ofConduct Cross-SiteDepartmentAttacks

  7. Gnralits Java Threads

    E-Print Network [OSTI]

    Grigoras, .Romulus

    Généralités Java Threads POSIX Threads Autres approches Sixième partie Programmation multi-activités Java & Posix Threads Systèmes concurrents 2 / 55 #12;Généralités Java Threads POSIX Threads Autres approches Plan 1 Généralités 2 Java Threads Manipulation des activités Synchronisation (java d

  8. Java Programming MSc. Internet Security

    E-Print Network [OSTI]

    Hill, Gary

    Java Programming MSc. Internet Security - 1 - Table of content Introduction Appendices............................................................................. 70 #12;Java and accompanying application using Java 3D coding. The developed application, in a Java 3D environment, will form

  9. Java for High Performance Computing Java HPC Codes

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    Motivation Java for High Performance Computing Java HPC Codes Performance Evaluation Conclusions Java for High Performance Computing: Myth or Reality? Guillermo López Taboada Grupo de Arquitectura de López Taboada Java for HPC: Myth or Reality? #12;Motivation Java for High Performance Computing Java HPC

  10. Oracle accrual plans from requirements to implementation

    SciTech Connect (OSTI)

    Rivera, Christine K

    2009-01-01

    Implementing any new business software can be an intimidating prospect and this paper is intended to offer some insight in to how to approach this challenge with some fundamental rules for success. Los Alamos National Laboratory (LANL) had undergone an original ERP implementation of HRMS, Oracle Advanced Benefits, Worker Self Service, Manager Self Service, Project Accounting, Financials and PO, and recently completed a project to implement Oracle Payroll, Time and Labor and Accrual Plans. This paper will describe some of the important lessons that can be applied to any implementation as a whole, and then specifically how this knowledge was applied to the design and deployment of Oracle Accrual Plans for LANL. Finally, detail on the functionality available in Oracle Accrual Plans will be described, as well as the detailed setups.that were utilized at LANL.

  11. Oracle Analysis of Sparse Automatic Music Transcription

    E-Print Network [OSTI]

    Plumbley, Mark

    Oracle Analysis of Sparse Automatic Music Transcription Ken O'Hanlon , Hidehisa Nagano , and Mark {keno,nagano,Mark.Plumbley}@eecs.qmul.ac.uk Abstract. We have previously proposed a structured sparse

  12. Runtime of unstructured search with a faulty Hamiltonian oracle

    E-Print Network [OSTI]

    Temme, Kristan

    We show that it is impossible to obtain a quantum speedup for a faulty Hamiltonian oracle. The effect of dephasing noise to this continuous-time oracle model has first been investigated by Shenvi, Brown, and Whaley [Phys. ...

  13. EOUG2000: Web publishing using PL/SQL and JAVA

    E-Print Network [OSTI]

    Grancher, Eric

    2000-01-01

    At CERN, as increasingly elsewhere, server based applications using the PL/SQL cartridge and Java are preferred as they make minimum demands on the client and ease maintenance. The PL/SQL cartridge, the original method offered by Oracle, has proved reliable and effective. We have used it to build web applications for more than four years. Newer applications are using Servlets together with the application server. This paper presents the different techniques that we designed and the pitfalls that we encountered in diverse projects such as a technology transfer database, a product management tool and a system to keep track of physics events. Important considerations are security, ease of maintenance, transaction handling and modularity. Most of the experience has been gained using the PL/SQL cartridge and this will be contrasted and compared with the newer Java techniques…

  14. Oracle and Corporate Citizenship Paul Salinger

    E-Print Network [OSTI]

    Loudon, Catherine

    · Hydroelectric power when possible (100% used for Italian operations) · Recycled paper · Hybrid cars as company car option in EMEA · Electric cars on some campuses · Replacing chairs with 100% recyclable supply for a year. · Curbed emissions equivalent to taking 106 cars off the road for a year. Oracle Global Green

  15. Analysing Java System Properties Implementation

    E-Print Network [OSTI]

    Nierstrasz, Oscar

    Analysing Java System Properties Implementation Supplementary documentation to the Bachelor. It introduces the Java Platform Debugger Architecture (JPDA), looks at the Java Debug Interface (JDI;Analysing Java System Properties Contents David Wettstein, 8. Dezember 2013 3 Contents 1 Standard System

  16. Optimizing Java Theory and Practice

    E-Print Network [OSTI]

    Budimliæ, Zoran

    Optimizing Java Theory and Practice Zoran Budimlic Ken Kennedy Rice University Computer Science popularity of the Internet has made an instant star of the Java programming language. Java's portability Java implementation, even with just­in­time compilation technology, is far behind the most popular

  17. SQL and Java Database Systems Lecture 19

    E-Print Network [OSTI]

    Alechina, Natasha

    1 SQL and Java Database Systems Lecture 19 Natasha Alechina SQL and Java In this Lecture · SQL in Java · SQL from within other Languages · SQL, Java, and JDBC · For More Information · Sun Java tutorial: http://java.sun.com/docs/books/tutorial/jdbc · Connolly and Begg 29.7 SQL and Java SQL and Other

  18. SQL and Java Database Systems Lecture 19

    E-Print Network [OSTI]

    Alechina, Natasha

    SQL and Java Database Systems Lecture 19 Natasha Alechina #12;SQL and Java In this Lecture · SQL in Java · SQL from within other Languages · SQL, Java, and JDBC · For More Information · Sun Java tutorial: http://java.sun.com/docs/books/tutorial/jdbc · Connolly and Begg 29.7 #12;SQL and Java SQL and Other

  19. Oracle Database DBFS Hierarchical Storage Overview

    SciTech Connect (OSTI)

    Rivenes, A

    2011-07-25

    The National Ignition Facility (NIF) at the Lawrence Livermore National Laboratory creates large numbers of images during each shot cycle for the analysis of optics, target inspection and target diagnostics. These images must be readily accessible once they are created and available for the 30 year lifetime of the facility. The Livermore Computing Center (LC) runs a High Performance Storage System (HPSS) that is capable of storing NIF's estimated 1 petabyte of diagnostic images at a fraction of what it would cost NIF to operate its own automated tape library. With Oracle 11g Release 2 database, it is now possible to create an application transparent, hierarchical storage system using the LC's HPSS. Using the Oracle DBMS-LOB and DBMS-DBFS-HS packages a SecureFile LOB can now be archived to storage outside of the database and accessed seamlessly through a DBFS 'link'. NIF has chosen to use this technology to implement a hierarchical store for its image based SecureFile LOBs. Using a modified external store and DBFS links, files are written to and read from a disk 'staging area' using Oracle's backup utility. Database external procedure calls invoke OS based scripts to manage a staging area and the transfer of the backup files between the staging area and the Lab's HPSS.

  20. Lenguaje Java Avanzado 1 Presentacin..................................................................................................................2

    E-Print Network [OSTI]

    Escolano, Francisco

    Lenguaje Java Avanzado Índice 1 Presentación herramientas útiles para probar y depurar aplicaciones Java y Java EE. Por último, se estudiará el acceso de sesión Materiales 1. Introducción al lenguaje Java apuntes traspas ejercicios 2. Marco de

  1. Java Security Final Project for ECE578

    E-Print Network [OSTI]

    Java Security Final Project for ECE578: Computer and Network Security by Douglas R. Dechow A Brief History of Java and Java Security The Java language and environment began as an outgrowth of a failed eventually become Java. Given that from the very beginning, the intended application domain for Oak (Java

  2. GRAPHICS PROGRAMMING Section A Java

    E-Print Network [OSTI]

    Hill, Gary

    GRAPHICS PROGRAMMING Section A ­ Java 1 - Introduction 2 - Installation & First Programs 3 - GUI: Layout Managers 9 - GUI: JMenu Gary Hill December 2003 Java 1 of 1 #12;GRAPHICS PROGRAMMING 1, sample applications, and support for Java standards. Get started quickly using the included tutorials

  3. Oracle, Arizona: Energy Resources | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPI VenturesNewSt.InformationImprovements Oil andOpowergeothermalOracle,

  4. Java support on genepool: java6 (jdk1.6) will be removed on 08...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Java support on genepool: java6 (jdk1.6) will be removed on 08302013; firefox security updates Java support on genepool: java6 (jdk1.6) will be removed on 08302013; firefox...

  5. Java and the Java Virtual Machine Robert Stark, Joachim Schmid, Egon Borger

    E-Print Network [OSTI]

    Börger, Egon

    Java and the Java Virtual Machine Robert St¨ark, Joachim Schmid, Egon B¨orger April 4, 2003.3 Decomposing Java and the JVM . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.4 Sources and literature Part I. Java 3. The imperative core JavaI of Java . . . . . . . . . . . . . . . . . . . . . . . . 33 3

  6. V-181: Oracle Java SE Critical Patch Update Advisory - June 2013 |

    Broader source: Energy.gov (indexed) [DOE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity of Natural GasAdjustmentsShirleyEnergyThe U.S.Lacledeutilities. The Economics ofConduct Cross-SiteDepartment of

  7. U-014: Oracle Java Runtime Environment (JRE) Multiple Flaws Let Remote

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaicsStateof Energy TwoEvent at the Pu PresidentAccess

  8. V-095: Oracle Java Flaws Let Remote Users Execute Arbitrary Code |

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And Statistics » USAJobs Search USAJobs SearchWater-Saving Projects1:Department ofDepartment of

  9. V-142: Oracle Java Reflection API Flaw Lets Remote Users Execute Arbitrary

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And Statistics » USAJobs Search USAJobs SearchWater-SavingofCode | Department of Energy 2:

  10. Java Vertexing Tools

    SciTech Connect (OSTI)

    Strube, Jan; /Oregon U.; Graf, Norman; /SLAC

    2006-03-03

    This document describes the implementation of the topological vertex finding algorithm ZVTOP within the org.lcsim reconstruction and analysis framework. At the present date, Java vertexing tools allow users to perform topological vertexing on tracks that have been obtained from a Fast MC simulation. An implementation that will be able to handle fully reconstructed events is being designed from the ground up for longevity and maintainability.

  11. SOK's Java Notebook1 Steven O. Kimbrough

    E-Print Network [OSTI]

    Kimbrough, Steven Orla

    SOK's Java Notebook1 Steven O. Kimbrough University of Pennsylvania 3620 Locust Walk, Suite 1300 . . . . . . . . . . . . . . . . . . . . . 1 1.1.2 Sun's JDK . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 First Java Applet: \\Hello, world!" . . . . . . . . . . . . . . . . 5 1.3 \\Hello, world" Java application

  12. Pizza into Java: Translating theory into practice

    E-Print Network [OSTI]

    Wadler, Philip

    Pizza into Java: Translating theory, Pizza is a strict superset of Java that incorporatesothreehigher-order function* *s, and ideas from.algebraic data types. Pizza is defined by translation into Java andPcompilesiintozza attempts to make

  13. The Java API Java Bootcamp -Villanova University Dr. Papalaskari 1

    E-Print Network [OSTI]

    Papalaskari, Mary-Angela

    ,1,2,3] float b = gen.nextFloat(); //float in range [0,1),eg: 0.4589 int c = gen.nextInt(4) + 1; //int in range document processing Java Bootcamp Dr. Papalaskari Villanova University imported automatically, includes a Random object named gen: · Use Random method nextInt()to generate a random number: Java Bootcamp Dr

  14. 20 Kombination von C++ und Java 20-1(368) 20 Kombination von C++ und Java

    E-Print Network [OSTI]

    Arndt, Holger

    20 Kombination von C++ und Java 20-1(368) 20 Kombination von C++ und Java Inhalt 20.1 Java Native Interface (JNI) 20.1.1 C++-Funktionen aus Java aufrufen 20.1.2 Java-Funktionen aus C++ aufrufen 20.2 gcj und das Compiled Native Interface (CNI) 20.2.1 C++-Funktionen aus Java aufrufen 20.2.2 Java-Funktionen aus

  15. 20 Kombination von C++ und Java 20-1 20 Kombination von C++ und Java

    E-Print Network [OSTI]

    Arndt, Holger

    20 Kombination von C++ und Java 20-1 20 Kombination von C++ und Java Inhalt 20.1 Java Native Interface (JNI) 20.1.1 C++-Funktionen aus Java aufrufen 20.1.2 Java-Funktionen aus C++ aufrufen 20.2 gcj und das Cygnus Native Interface (CNI) 20.2.1 C++-Funktionen aus Java aufrufen 20.2.2 Java-Funktionen aus C

  16. Presenting JECA: A Java Error Correcting Algorithm for the Java Intelligent Tutoring System

    E-Print Network [OSTI]

    Franek, Frantisek

    Presenting JECA: A Java Error Correcting Algorithm for the Java Intelligent Tutoring System Edward context involving small Java programs. Furthermore, this paper presents JECA (Java Error Correction is to provide a foundation for the Java Intelligent Tutoring System (JITS) currently being field-tested. Key

  17. Frelsning 1-2 Sprkkonstruktioner i Java

    E-Print Network [OSTI]

    Interface i Java Betyder "gränssnitt" Innehåller ingen implementering Alla metoder är implicit publika och

  18. Simple Java Scripting version 1.3

    E-Print Network [OSTI]

    Carlsson, Gunnar

    BeanShell Simple Java Scripting version 1.3 1 #12;Table of Contents Table of Contents· Introduction and Run BeanShell The BeanShell GUI Java Statements and Expressions Useful BeanShell Commands Scripted Syntax· Standard Java Syntax Loosely Typed Java Syntax Exception Handling Basic Scoping of Variables

  19. The ACM Java Libraries Andrew Mertz

    E-Print Network [OSTI]

    Van Cleave, Nancy K.

    The ACM Java Libraries Andrew Mertz William Slough Nancy Van Cleave Mathematics and Computer;Introduction NetBeans and Java The ACM Java Task Force (JTF) Libraries Placing applets on web pages How to learn about the ACM libraries: This workshop Textbooks ACM Java Task Force Tutorial Javadoc

  20. Pizza into Java: Translating theory into practice

    E-Print Network [OSTI]

    Wadler, Philip

    Pizza into Java: Translating theory into practice Martin Odersky University of Karlsruhe Philip Wadler University of Glasgow Abstract Pizza is a strict superset of Java that incorporates three ideas types. Pizza is defined by translation into Java and compiles into the Java Virtual Machine

  1. 3. Java basics David Keil Computer Science I 8/13 David Keil Computer Science I Using Java 3. Intro to Java 8/13 1

    E-Print Network [OSTI]

    Keil, David M.

    3. Java basics David Keil Computer Science I 8/13 David Keil Computer Science I Using Java 3. Intro to Java 8/13 1 David M. Keil, Framingham State University CSCI 152 Computer Science I Using Java 3. Java basics 1. Higher-level languages and compilation 2. Java programs and statements 3. Program documentation

  2. 20 Kombination von C++ und Java 20.1 Java Native Interface (JNI) 20-3 (364) 20.1 Java Native Interface (JNI)

    E-Print Network [OSTI]

    Arndt, Holger

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    2008-01-01

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    Galtchouk, Leonid

    2008-01-01

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    2010-01-01

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    Chou, Ling

    1997-01-01

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    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A Java Middleware Platform for Resource-Aware Distributed Applications Frédéric Guidec, Yves Mahéo.Guidec|Yves.Maheo|Luc.Courtrai}@univ-ubs.fr Abstract This paper reports the development of D-RAJE (Dis- tributed Resource-Aware Java Environment), a Java-based middleware platform that makes it possible to model and to monitor resources

  18. Modeling the Java Bytecode Verifier Mark C. Reynolds1 ,2

    E-Print Network [OSTI]

    Modeling the Java Bytecode Verifier Mark C. Reynolds1 ,2 Computer Science Department Boston University Boston, US Abstract The Java programming language has been widely described as secure by design. Nevertheless, a number of serious security vulnerabilities have been discovered in Java, particularly

  19. Status Report: Specifying JavaScript with ML David Herman

    E-Print Network [OSTI]

    Tobin-Hochstadt, Sam

    - igator 2.0 web browser. Despite its name, the language has little to do with the Java programmingScript, the popular programming language for browser-based web applications. This "definitional interpreter" serves of the interesting new features of JavaScript 2.0. Section 4 describes the history of approaches to specifying Java

  20. The Java Market: Transforming the Internet into a Metacomputer

    E-Print Network [OSTI]

    Amir, Yair

    The Java Market: Transforming the Internet into a Metacomputer Yair Amir 1 , Baruch Awerbuch running on a producer's machine. The Java Market modifies the submitted application. It transforms of the time. This paper presents the Java Market, a system that allows organizations and Internet users

  1. AirJava: Networking for Smart Spaces Kevin L. Mills

    E-Print Network [OSTI]

    of building AirJava adapters today so researchers can begin experimenting with Smart Spaces. 1. Introduction propose a means of building AirJava adapters so researchers can begin experimenting with Smart SpacesAirJava: Networking for Smart Spaces Kevin L. Mills Information Technology Laboratory National

  2. Compare C++ Syntax and Features with Java Here is a brief summary that compares C++ syntax and features with Java

    E-Print Network [OSTI]

    Liang, Y. Daniel

    and features with Java C++ Java cout int x; cin >> x dynamically p->getArea(); or (*p).getArea() c.getArea(); delete p; c = null; Automatically removed PassCompare C++ Syntax and Features with Java Here is a brief summary that compares C++ syntax

  3. Java programming for high-performance

    E-Print Network [OSTI]

    Goldstein, Seth Copen

    language to solv- ing large computational problems in science and en- gineering. Unless these issuesJava programming for high-performance numerical computing by J. E. Moreira S. P. Midkiff M. Gupta PTM language has taken off as a serious general-purpose programming language. Industry and academia alike have

  4. Java Therapy: Web-Based Robotic Rehabilitation

    E-Print Network [OSTI]

    Reinkensmeyer, David J.

    Java Therapy: Web-Based Robotic Rehabilitation David J. Reinkensmeyer, Clifton T. Pang, Jeff A performance, allowing users and their caregivers to assess rehabilitation progress via the Web. 1 are developing robotic devices, termed "rehabilitators", that physically interact with people to stimulate

  5. An Investigation into Qualitative Human Oracle Costs Sheeva Afshan1 and Phil McMinn2

    E-Print Network [OSTI]

    McMinn, Phil

    costs. Keywords: Test Data Evaluation, Testing Costs, Human Oracle. 1 Introduction Software testing development budgets [8]. The process of software testing involves establishing a set of testing requirements of the software testing are still performed manually. Manual testing usually requires a large number of human

  6. MSc CSYM021 Java Programming GJH: 2008 MSc Computing (Internet Technology)

    E-Print Network [OSTI]

    Hill, Gary

    MSc CSYM021 ­ Java Programming © GJH: 2008 MSc Computing (Internet Technology) CSYM 021 Java Office (Open 10:00 - 15:00)). Aim: Produce a technical report and accompanying application using Java 2D/3D. Brief A: 2D Right (East) Panel: The Java Swing application is to include a Java 2D graphics maze

  7. The state of the Java universe

    ScienceCinema (OSTI)

    None

    2011-10-06

    Speaker Bio: James Gosling received a B.Sc. in computer science from the University of Calgary, Canada in 1977. He received a Ph.D. in computer science from Carnegie-Mellon University in 1983. The title of his thesis was The Algebraic Manipulation of Constraints. He has built satellite data acquisition systems, a multiprocessor version of UNIX®, several compilers, mail systems, and window managers. He has also built a WYSIWYG text editor, a constraint-based drawing editor, and a text editor called Emacs, for UNIX systems. At Sun his early activity was as lead engineer of the NeWS window system. He did the original design of the Java programming language and implemented its original compiler and virtual machine. He has recently been a contributor to the Real-Time Specification for Java.

  8. The state of the Java universe

    SciTech Connect (OSTI)

    None

    2011-02-08

    Speaker Bio: James Gosling received a B.Sc. in computer science from the University of Calgary, Canada in 1977. He received a Ph.D. in computer science from Carnegie-Mellon University in 1983. The title of his thesis was The Algebraic Manipulation of Constraints. He has built satellite data acquisition systems, a multiprocessor version of UNIX®, several compilers, mail systems, and window managers. He has also built a WYSIWYG text editor, a constraint-based drawing editor, and a text editor called Emacs, for UNIX systems. At Sun his early activity was as lead engineer of the NeWS window system. He did the original design of the Java programming language and implemented its original compiler and virtual machine. He has recently been a contributor to the Real-Time Specification for Java.

  9. An OpenMPlike Interface for Parallel Programming in Java M. E. Kambites

    E-Print Network [OSTI]

    Bull, Mark

    in­ clude JavaParty [15], HPJava [3], Titanium [19] and SPAR Java [18]. However, these are designed. The current implementations of Tita­ nium and SPAR are via compilation to C, and not Java. The remainder

  10. Review of Correspondence Analysis and Data Coding with Java and R

    E-Print Network [OSTI]

    Jan de Leeuw

    2011-01-01

    and Data Coding with Java and R Fionn Murtagh Chapman &Analysis and Data Coding with Java and R The book is modernexamples done in both R and Java. But again, in this respect

  11. A Lightweight Java Taskspaces Framework for Scientific Computing on Computational Grids

    E-Print Network [OSTI]

    De Sterck, Hans

    A Lightweight Java Taskspaces Framework for Scientific Computing on Computational Grids Appeared orientation and platform independence realized by implementation in Java. Grid administration tasks, Intertask Communication, Scalability, Java 1. INTRODUCTION Distributed computing on heterogeneous

  12. Exploring the Suitability of Existing Tools for Constructing Executable Java Slices

    E-Print Network [OSTI]

    Iyer, Divya

    2012-05-31

    Java is a managed programming language, and Java programs are executed in a virtual machine (VM) environment. Java VMs not only execute the primary application program, but also perform several other auxiliary tasks at runtime. Some...

  13. C:\\idrive\\web\\intro6e\\supplement\\Supplement6(d)JavaXML.doc Last printed Supplement VI.D: Java and XML

    E-Print Network [OSTI]

    Liang, Y. Daniel

    C:\\idrive\\web\\intro6e\\supplement\\Supplement6(d)JavaXML.doc Last printed Supplement VI.D: Java and XML For Introduction to Java Programming By Y. Daniel Liang This supplement introduces how to use Java is required for this supplement. To learn XML, please read Supplement VI.C, "XML." 0 Introduction

  14. V-178: IBM Data Studio Web Console Java Multiple Vulnerabilities...

    Broader source: Energy.gov (indexed) [DOE]

    in IBM Data Studio PLATFORM: IBM Data Studio 3.x ABSTRACT: IBM Data Studio Web Console uses the IBM Java Runtime Environment (JRE) and might be affected by...

  15. T-686: IBM Tivoli Integrated Portal Java Double Literal Denial...

    Broader source: Energy.gov (indexed) [DOE]

    password) PLATFORM: Tivoli versions prior to 1.1.1.15. ABSTRACT: IBM Tivoli Integrated Portal Java Double Literal Denial of Service Vulnerability. reference LINKS: IBM ID: 1508061...

  16. V-161: IBM Maximo Asset Management Products Java Multiple Vulnerabilit...

    Broader source: Energy.gov (indexed) [DOE]

    IBM Maximo Asset Management Products Java Multiple Vulnerabilities PLATFORM: IBM Maximo Asset Management 6.x IBM Maximo Asset Management 7.x IBM Maximo Asset Management Essentials...

  17. Main-Memory Management to Support Orthogonal Persistence for Java

    E-Print Network [OSTI]

    Daynes, L.

    Daynes,L. Atkinson,M.P. Proceedings of the Second International Workshop on Persistence and Java pp 37-60

  18. JWBS001C-142.tex WL041/Bidgoli WL041-Bidgoli.cls September 16, 2005 9:8 Char Count= 0 Hostile Java AppletsHostile Java Applets

    E-Print Network [OSTI]

    Evans, David

    Hostile Java AppletsHostile Java Applets David Evans, University of Virginia Introduction 126 Java 135 INTRODUCTION Java was introduced in 1995 as both a high-level pro- gramming language and an intermediate language, Java Virtual Machine language (JVML, sometimes called Java byte codes), and execution

  19. Application of the Java Message Service in mobile monitoring environments Martin Kuehnhausen , Victor S. Frost

    E-Print Network [OSTI]

    Kansas, University of

    Application of the Java Message Service in mobile monitoring environments Martin Kuehnhausen à on trains. The Java Message Service (JMS) presents a flexible transport layer for asynchronous communication

  20. T-658: Java for Mac OS X 10.6 Update 5 & Java for Mac OS X 10.5 Update 10

    Broader source: Energy.gov [DOE]

    Multiple vulnerabilities exist in Java 1.6.0_24, the most serious of which may allow an untrusted Java applet to execute arbitrary code outside the Java sandbox. Visiting a web page containing a maliciously crafted untrusted Java applet may lead to arbitrary code execution with the privileges of the current user. These issues are addressed by updating to Java version 1.6.0_26.

  1. Constructing Verifiably Correct Java Programs Using OCL and CleanJava

    E-Print Network [OSTI]

    Cheon, Yoonsik

    for Java and supports Cleanroom- style functional program verification. The combination of OCL and Clean the correctness of code using a Cleanroom-style functional program verification technique. We use OCL language to support Cleanroom-style functional program verification [5] (see Sec- tion II-B for an overview

  2. JAVA Project IMIS 2009-2010 Page 1 sur 3 JAVA Project IMIS

    E-Print Network [OSTI]

    Marfisi-Schottman, Iza

    the flow of luggage and carts in the airport. Big luggage Batterie recharge Airplane 3Airplane 2Airplane 1-in desk. #12;JAVA Project ­ IMIS ­ 2009-2010 Page 2 sur 3 The carts run on a battery that needs to be recharged every few kilometers. When the chart detects that its battery is low, it goes to one

  3. CS 339 Using Oracle In the TLAB Dinda Page 1 of 4

    E-Print Network [OSTI]

    Dinda, Peter A.

    /oraenv.sh within your script. You can find a version of oraenv.sh in ~pdinda/HANDOUT. Running SQL*Plus SQL functionality. To run SQL*Plus, do the following: source ~you/oraenv.sh sqlplus you/orapasswd orapasswd is your like this: #12;CS 339 Using Oracle In the TLAB Dinda Page 2 of 4 SQL*Plus: Release 10

  4. Oracle inequalities for SVMs that are based on random entropy numbers

    SciTech Connect (OSTI)

    Steinwart, Ingo

    2009-01-01

    In this paper we present a new technique for bounding local Rademacher averages of function classes induced by a loss function and a reproducing kernel Hilbert space (RKHS). At the heart of this technique lies the observation that certain expectations of random entropy numbers can be bounded by the eigenvalues of the integral operator associated to the RKHS. We then work out the details of the new technique by establishing two new oracle inequalities for SVMs, which complement and generalize orevious results.

  5. Search strategies for Java bottleneck location by dynamic instrumentation

    E-Print Network [OSTI]

    Kelly, Paul H. J.

    instrumentation within a Java Virtual Ma- chine. Several options are available; our implementation used our VeneerSearch strategies for Java bottleneck location by dynamic instrumentation Douglas J Brear, Thibaut investigation of this interesting approach. 1 Introduction The idea of dynamically patching instrumentation code

  6. Granting Java Native Interface Developers Their Wishes Martin Hirzel

    E-Print Network [OSTI]

    Grimm, Robert

    , Sun's original FFI for Java, the Native Method In- terface [52, 53] (NMI), directly exposed Java. Furthermore, it constrains garbage collectors and just- in-time compilers, since changes to the data representation may break native code. In fact, NMI required a conserva- tive garbage collector because direct

  7. Garbage Collection for Memory-Constrained Java Virtual Machines

    E-Print Network [OSTI]

    Abdelrahman, Tarek S.

    the mod- ified collector in the Sun Microsystems JDK 1.2.2 using ap- plications from the SPECjvm98 collector for Java Virtual Machines (JVMs) that al- lows applications to run using less memory. The modified of Java programs, compared to existing GC al- gorithms. The majority of garbage collectors fall

  8. True Separate Compilation of Java Classes # DISI Universit

    E-Print Network [OSTI]

    Robbiano, Lorenzo

    True Separate Compilation of Java Classes # D. Ancona DISI ­ Universit â?? a di Genova Via Dodecaneso compilation for a small but significant Java subset, in the sense that a single class declaration can be intra­checked (following the Cardelli's terminology) and compiled providing a minimal set of type requirements on missing

  9. Compositional Compilation for Java-like Languages through Polymorphic Bytecode

    E-Print Network [OSTI]

    Robbiano, Lorenzo

    Compositional Compilation for Java-like Languages through Polymorphic Bytecode extended version Dodecaneso, 35 16146 Genova, Italy zucca@disi.unige.it ABSTRACT We define compositional compilation compositional compilation is a highly desirable feature, in Java-like languages it can hardly be achieved

  10. Supplement: Using Packages For Introduction to Java Programming

    E-Print Network [OSTI]

    Liang, Y. Daniel

    Supplement: Using Packages For Introduction to Java Programming By Y. Daniel Liang NOTE: If you wish to use packages to organize the classes in the text, read this supplement after Chapter 1:\\book. cd .. -- Changes to the parent directory. See Supplement I.C, "Creating, Compiling and Running Java

  11. Pace Web Server: A Pure Java Web Server

    E-Print Network [OSTI]

    Tao, Lixin

    Pace Web Server: A Pure Java Web Server with a Servlet Container by Priya Srinivasaraghavan University 2003 #12;Abstract Pace Web Server: A Pure Java Web Server with a Servlet Container by Priya their products and services to their customers. An essential ingredient to the Internet has been the web server

  12. Retargeting Android Applications to Java Bytecode Damien Octeau

    E-Print Network [OSTI]

    McDaniel, Patrick Drew

    Retargeting Android Applications to Java Bytecode Damien Octeau Department of Computer Science Pennsylvania State University mcdaniel@cse.psu.edu ABSTRACT The Android OS has emerged as the leading platform for Smart- Phone applications. However, because Android applications are compiled from Java source

  13. Experiences in Implementing a Java Collaborative IDE over the Internet

    E-Print Network [OSTI]

    Chen, Sheng-Wei

    1 Experiences in Implementing a Java Collaborative IDE over the Internet CHIEN-MIN WANG, SHUN of issues related to event broadcasting in a Java collaborative computing environment over the Internet. We technologies, communication over the Internet has become commonplace and collaboration via the Internet has

  14. Java Libraries for Accessing the Princeton Wordnet: Comparison and Evaluation

    E-Print Network [OSTI]

    direct access to the Princeton Wordnet data, so as to help Java developers find the library 1 See Table 6- cess the information in the original Prince- ton Wordnet databases. From this compari- son emerges-coverage, easiest-to-use library available. A Java developer seeking to access the Prince- ton Wordnet is faced

  15. Amos II Java Interfaces Daniel Elin and Tore Risch

    E-Print Network [OSTI]

    Risch, Tore

    1 Amos II Java Interfaces Daniel Elin and Tore Risch Uppsala Database Laboratory Department-02-06 This report describes the external interfaces between Amos II and the programming lan- guage Java. There are also interfaces between Amos II and the programming languages C and Lisp, documented separately

  16. Java - Darajat Geothermal Area | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History View NewTexas: Energy ResourcesOrder at 8,OpenKentucky: EnergyFacilityIllinois:SouthLLC JumpNewJava

  17. Developing numerical libraries in Java RONALD F. BOISVERT1, JACK J. DONGARRA2, ROLDAN POZO1,

    E-Print Network [OSTI]

    Dongarra, Jack

    A. REMINGTON1 AND G.W. STEWART1;3 1Mathematical and Computational Sciences Division, Information. Finally, we outline the Java Numerical Toolkit1 JNT, which is meant to provide a base of computational;Developing numerical libraries in Java 2 2. NUMERICAL COMPUTING IN JAVA Java is both a computer language

  18. Efficient Java Implementation of Elliptic Curve Cryptography for J2ME-Enabled Mobile Devices

    E-Print Network [OSTI]

    International Association for Cryptologic Research (IACR)

    applications, J2SE (Java 2 Standard Edition) for the implementation of Java programs that can be executed.K. {page,tillich}@cs.bris.ac.uk Abstract. The Micro Edition of the Java 2 platform (J2ME) provides than the widely-used Bouncy Castle Lightweight Crypto API for J2ME. 1 Introduction The Java programming

  19. A Parallel Java Grande Benchmark Suite L. A. Smith and J. M. Bull

    E-Print Network [OSTI]

    Bull, Mark

    A Parallel Java Grande Benchmark Suite L. A. Smith and J. M. Bull EPCC, The King's Buildings Republic. email: xobdrzal@fi.muni.cz Abstract Increasing interest is being shown in the use of Java for large scale or Grande applications. This new use of Java places specific demands on the Java execution

  20. CSCI 161: Introduction to Programming I Lab 1b: Hello, World (Eclipse, Java)

    E-Print Network [OSTI]

    Hardy, Christopher R.

    CSCI 161: Introduction to Programming I Lab 1b: Hello, World (Eclipse, Java) Goals - to learn how to compile and execute a Java program Overview This activity will introduce you to the Java programming language. You will type in the Java program shown, compile it, and execute it. You will submit your project

  1. MSc CSYM021 Java Programming GJH: 2009 MSc Computing (Internet Technology)

    E-Print Network [OSTI]

    Hill, Gary

    MSc CSYM021 ­ Java Programming © GJH: 2009 MSc Computing (Internet Technology) CSYM 021 Java Office (Open 10:00 - 15:00)). Aim: Produce a technical report and accompanying application using Java 2D/3D. Brief Produce a technical report and accompanying application using Java 3D. The application

  2. Environmental Monitoring of Lake Michigan Using CoastWatch Data and JAVA GIS

    E-Print Network [OSTI]

    Environmental Monitoring of Lake Michigan Using CoastWatch Data and JAVA GIS George A. Leshkevich Observation Data) Statistics (Great Lakes Average Surface Water Temperature) JAVA GIS (JAVA Applet) CDAT activities. New utilities such as JAVA based interactive retrieval of physical parameters such as surface

  3. Student's Project for Compiler Construction: Compiling a Fragment of SetlX to Java

    E-Print Network [OSTI]

    Stroetmann, Karl

    Student's Project for Compiler Construction: Compiling a Fragment of SetlX to Java -- Task. This compiler takes as input a program written in the source language SetlX and produces as output Java source code, so the target language is Java. In order to execute the resulting Java programs, these programs

  4. C H A P T E R 1 What is Java 3D and

    E-Print Network [OSTI]

    Hill, Gary

    1 C H A P T E R 1 What is Java 3D and is it for me? 1.1 Strengths 2 1.2 Weaknesses 3 1.3 System Java 3D is an application programming interface (API) developed at Sun Microsystems for rendering interactive 3D graphics using the Java programming language. Java 3D is a client-side Java API. Other examples

  5. OGA Project Information Collection via Oracle System Workflow SPA has developed a new way to collect essential project information directly from OHSU

    E-Print Network [OSTI]

    Chapman, Michael S.

    OGA Project Information Collection via Oracle System Workflow SPA has developed a new way to collect essential project information directly from OHSU departments using the Oracle System Workflow, and Project Short Name for a specific OGA Project. Steps of the process: 1. The morning after a Project

  6. T-535: Oracle Critical Patch Update - January 2011 | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OF APPLICABLEStatutory Authority SustainXSystem for Award35: Oracle Critical

  7. T-537: Oracle Critical Patch Update Advisory - January 2011 | Department of

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LIST OF APPLICABLEStatutory Authority SustainXSystem for Award35: OracleEnergy

  8. A Desktop 3D Printer in Safety-Critical Java

    E-Print Network [OSTI]

    A Desktop 3D Printer in Safety-Critical Java Tórur Biskopstø Strøm Kongens Lyngby 2012 IMM-MSc-2012-critical use cases implemented according to the specification. This thesis presents a RepRap 3D desktop printer

  9. Object Co-location and Memory Reuse for Java Programs

    E-Print Network [OSTI]

    Lau, Francis C.M.

    : Memory allocator, garbage collector, mutator, Java, object co- location, memory reuse ACM Reference of a runtime system becomes increasingly signif- icant [Sun Microsystems 2003]. Our second goal is to find

  10. Spar: a set of extensions to Java for scientific computation

    E-Print Network [OSTI]

    Spar: a set of extensions to Java for scientific computation C. van Reeuwijk, F. Kuijlman, and H Executiontime(s) Number of processors HPF Spar Spar (no checks) Fortran/MPI 9. SPAR AND JVM 10. RELATED WORK #12

  11. V-120: EMC Smarts Network Configuration Manager Java RMI Access...

    Broader source: Energy.gov (indexed) [DOE]

    EMC Smarts Network Configuration Manager Java RMI Access Control Flaw Lets Remote Users Gain Full Control PLATFORM: Version(s): prior to 9.2 ABSTRACT: Two vulnerabilities were...

  12. HEDGEHOG: Automatic Verification of Design Patterns in Java 

    E-Print Network [OSTI]

    Blewitt, Alex

    Design patterns are widely used by designers and developers for building complex systems in object-oriented programming languages such as Java. However, systems evolve over time, increasing the chance that the pattern ...

  13. Analysing, Profiling and Optimising Orthogonal Persistence for Java

    E-Print Network [OSTI]

    Cutts, Q.I.

    Cutts,Q.I. Hosking,A. Proceedings of the Second International Workshop on Persistence and Java (PJW2), Half Moon Bay, CA, USA (Atkinson, M., Jordan, M. Eds) pp 107-115 Sun Microsystems Inc.

  14. Swizzle barrier optimizations for orthogonal persistence in Java

    E-Print Network [OSTI]

    Brahnmath, K.; Nystrom, N.; Hosking, A.L.; Cutts, Q.I.

    Brahnmath,K. Nystrom,N. Hosking,A.L. Cutts,Q.I. Proceedings of the Third International Workshop on Persistence and Java (Tiburon, California, September 1998), Advances in Persistent Object Systems pp 268-278 Morgan Kaufmann

  15. Termination Analysis of Java Bytecode Elvira Albert1

    E-Print Network [OSTI]

    Arenas, Puri

    program properties is often split into separately proving partial correctness and termination. ObjectTermination Analysis of Java Bytecode Elvira Albert1 , Puri Arenas1 , Michael Codish2 , Samir Abstract. Termination analysis has received considerable attention, traditionally in the context

  16. Java Expert GUI framework for CERN beam instrumentation systems

    E-Print Network [OSTI]

    Bart Pedersen, S; Jackson, S

    2011-01-01

    The CERN Beam Instrumentation Group’s software section has recently performed a study of the tools used to produce Java expert GUI applications. This paper will present the analysis that was made to understand the requirements for generic components and the resulting tools including a collection of Java components that have been made available for a wider audience. The paper will also discuss the prospect of using Maven as the deployment tool with its implications for developers and users.

  17. Disabling JAVA Updates If you open Kronos, and are unable to open any timecards you may have a version of Java that

    E-Print Network [OSTI]

    Huang, Jianyu

    Disabling JAVA Updates If you open Kronos, and are unable to open any timecards you may have a version of Java that isn't compatible with Kronos. You (or the Administrator of the pc) will need to turn-off the Automatic Updates feature in Java. Follow the prompts below: 1. Close all Internet Explorer windows (to stop

  18. Experto Universitario Java Enterprise Validacin e internacionalizacin 2012-2013 Depto. Ciencia de la Computacin e IA Spring

    E-Print Network [OSTI]

    Escolano, Francisco

    Experto Universitario Java Enterprise Validación e internacionalización © 2012-2013 Depto. Ciencia #12;Experto Universitario Java Enterprise Validación e internacionalización © 2012-2013 Depto. Ciencia Java Enterprise Validación e internacionalización © 2012-2013 Depto. Ciencia de la Computación e IA

  19. Physics of Binary Information

    E-Print Network [OSTI]

    Walter Smilga

    2013-03-24

    Basic concepts of theoretical particle physics, including quantum mechanics and Poincar\\'e invariance, the leptonic mass spectrum and the proton mass, can be derived, without reference to first principles, from intrinsic properties of the simplest elements of information represented by binary data. What we comprehend as physical reality is, therefore, a reflection of mathematically determined logical structures, built from elements of binary data.

  20. E S P A O L V A L E N C I E N G L I S H Experto Java

    E-Print Network [OSTI]

    Escolano, Francisco

    E S P A Ñ O L V A L E N C I À E N G L I S H Experto Java Universidad de Alicante Experto Java propio de postgrado Experto Universitario en Desarrollo de Aplicaciones Web con Java EE y JavaScript conseguirás una formación en desarrollo de aplicaciones web con Java EE 7 (perfil web) y clientes Java

  1. 6.092 Introduction to Software Engineering in Java, January (IAP) 2009

    E-Print Network [OSTI]

    Jones, Evan

    This course is an introduction to Java programming and software engineering. It is designed for those who have little or no programming experience in Java and covers concepts useful to 6.005. The focus is on developing ...

  2. Enhancing the Expressiveness of the CleanJava Language Melisa Vela and Yoonsik Cheon

    E-Print Network [OSTI]

    Cheon, Yoonsik

    for Java to support Cleanroom-style functional program verification that views a program as a mathematical function, CleanJava. I. INTRODUCTION In Cleanroom-style functional program verification, a pro- gram

  3. A distributed and hierarchical naming scheme for Java RMI with support for persistence and caching 

    E-Print Network [OSTI]

    Agni, Rohan Madhuker

    1998-01-01

    Java Remote Method Invocation (Java RMI) is a icrographics. distributed object technology that is going to play a pivotal role in the distributed object world of tomorrow. With the introduction of the Remote Object Activation API in the beta version...

  4. Java for Scientific Computation: Prospects and Henk J. Sips and Kees van Reeuwijk

    E-Print Network [OSTI]

    core language. Two such solutions are proposed in the Spar/Java project [14] and the Titanium project [16]. For example, a two-dimensional array in Spar/Java is declared and used as follows: int a

  5. Java in the High Performance Computing Arena: Research, Practice and Experience

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    Java in the High Performance Computing Arena: Research, Practice and Experience Guillermo L interest in Java for High Performance Computing (HPC) is based on the appealing features of this language in HPC. Keywords: Java, High Performance Computing, Performance Evaluation, Multi-core Architectures

  6. Introduction Copyright 1994, 1995 Sun Microsystems The JavaTM Language: An Overview 1 of 8

    E-Print Network [OSTI]

    Introduction Copyright © 1994, 1995 Sun Microsystems The JavaTM Language: An Overview 1 of 8, The HotJavaTM Browser: An Overview, describes a powerful application that demonstrates the power: An Overview Copyright © 1994, 1995 Sun Microsystems unsuitable, we designed Java as closely to C++ as possible

  7. The Use of Java in High Performance Computing: A Data Mining Example

    E-Print Network [OSTI]

    Walker, David W.

    The Use of Java in High Performance Computing: A Data Mining Example David Walker and Omer Rana in high performance computing is discussed with particular reference to the efforts of the Java Grande Java, Parallel Computing, Neu­ ral Networks, Distributed Objects 1 Introduction High performance

  8. Inside the Java Intelligent Tutoring System Prototype: Parsing Student Code Submissions with Intent Recognition

    E-Print Network [OSTI]

    Franek, Frantisek

    Inside the Java Intelligent Tutoring System Prototype: Parsing Student Code Submissions with Intent., Hamilton, Ont., Canada, L8S 4L8 +1 (905) 525-9140 Ext. 23233 franek@mcmaster.ca ABSTRACT The "Java for students in their first programming course in JavaTM at the College and University level. This paper

  9. A Java Library Implementation of the Gold-Food Economic Model in Repast and MASON

    E-Print Network [OSTI]

    Tesfatsion, Leigh

    1 A Java Library Implementation of the Gold-Food Economic Model in Repast and MASON Christopher K, 2008 Abstract We present a robust, extensible Java library for agent-based economic simulations et al. [8]. We implement the library on top of both the Repast and MASON agent-based Java toolkits

  10. The Java Machine Learning Library Thomas Abeel, Yvan Saeys and Yves Van de Peer

    E-Print Network [OSTI]

    Gent, Universiteit

    The Java Machine Learning Library Thomas Abeel, Yvan Saeys and Yves Van de Peer Department of Plant.abeel@psb.ugent.be What is Java-ML? Motivation Code & Documentation Applications 1. Machine learning techniques: · 18: java doc and explanation of the algorithm · Generated API: from the source code · Changelog

  11. Sunda-Java trench kinematics, slab window formation and overriding plate deformation since the Cretaceous

    E-Print Network [OSTI]

    Müller, Dietmar

    Sunda-Java trench kinematics, slab window formation and overriding plate deformation since along the 3200 km long Sunda-Java trench, one of the largest subduction systems on Earth. Combining window underlying the Java­South Sumatra region, and we propose that decreased mantle wedge viscosities

  12. A generator of efficient strongly typed abstract syntax trees in Java

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A generator of efficient strongly typed abstract syntax trees in Java Mark van den Brand1 to extract, transform, store and pro- duce information that is key to their functionality. We present a Java a strongly typed data-structure with maximal sub-term sharing in Java. Practical experience shows

  13. Attacks on Java Card 3.0 Combining Fault and Logical Attacks

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Attacks on Java Card 3.0 Combining Fault and Logical Attacks Guillaume Barbu1,2 , Hugues Thiebeauld://www.telecom-paristech.fr/ guillaume.barbu@telecom-paristech.fr Abstract. Java Cards have been threatened so far by attacks using ill it can no longer be applied to the Java Card 3 Connected Edition context where the bytecode verification

  14. Vol. 4, No. 10, 2005 Reflection-based implementation of Java

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Vol. 4, No. 10, 2005 Reflection-based implementation of Java extensions: the double-dispatch use of Java without modifying the language nor the virtual machine. In this paper, we present the advan- tages these principles have been applied to develop an efficient and general double-dispatch solution for Java, and we

  15. Jam -Designing a Java Extension with Mixins DAVIDE ANCONA, GIOVANNI LAGORIO and ELENA ZUCCA

    E-Print Network [OSTI]

    Robbiano, Lorenzo

    Jam - Designing a Java Extension with Mixins DAVIDE ANCONA, GIOVANNI LAGORIO and ELENA ZUCCA University of Genova In this paper we present Jam, an extension of the Java language supporting mixins, that is, parametric heir classes. A mixin declaration in Jam is similar to a Java heir class declaration

  16. A Prototype for an Intelligent Tutoring System for Students Learning to Program in Java TM

    E-Print Network [OSTI]

    Franek, Frantisek

    A Prototype for an Intelligent Tutoring System for Students Learning to Program in Java TM Edward R, L8S 4L8 +1 (905) 525­9140 Ext. 23233 franek@mcmaster.ca Abstract The ``Java TM Intelligent Tutoring in their first programming course in Java TM at the College and University level. This paper presents an overview

  17. JAMUS: Java Accommodation of Mobile Untrusted Software Nicolas Le Sommer and Frdric Guidec

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    JAMUS: Java Accommodation of Mobile Untrusted Software Nicolas Le Sommer and Frédéric Guidec (Java Accommodation of Mobile Un- trusted Software) platform we tackle these problems based on a contractual approach of resource manage- ment and access control. JAMUS can accommodate mo- bile Java

  18. (c) 2001, Laszlo Gulyas, Harvard University Installing a development environment for Java

    E-Print Network [OSTI]

    Tesfatsion, Leigh

    (c) 2001, Laszlo Gulyas, Harvard University 1/19 Installing a development environment for Java This document will guide you through the process of installing a comfortable development environment for Java hard disk space (additional 120Mb for Java documentation)2 ·CD-ROM drive or good internet connection

  19. Using the ACM Java Libraries in CS 1 Andrew Mertz, William Slough, and Nancy Van Cleave

    E-Print Network [OSTI]

    Van Cleave, Nancy K.

    Using the ACM Java Libraries in CS 1 Andrew Mertz, William Slough, and Nancy Van Cleave aemertz University Charleston, IL 61920 Abstract The Java language is commonly used in CS 1 courses, though its of these challenges, the ACM established the Java Task Force to study the problem. The work of this committee resulted

  20. Java Access to Numerical Libraries Henri Casanova \\Lambda Jack Dongarra \\Lambda y David M. Doolin \\Lambda

    E-Print Network [OSTI]

    Dongarra, Jack

    Java Access to Numerical Libraries Henri Casanova \\Lambda Jack Dongarra \\Lambda y David M. Doolin \\Lambda May 31, 1997 Abstract It is a common and somewhat erroneous belief that Java will always be ``too the question of scientific computing via Java: NetSolve and f2j. The approaches taken by these two projects

  1. A Java-based system support for distributed applications on the Internet

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A Java-based system support for distributed applications on the Internet D. Hagimont1 , D. It provides the same abstraction and interface as the RMI service of Java, but it extends the functionality on top of Java. It has been evaluated by comparison with RMI using a benchmark and validated by porting

  2. Java Objects Communication on a High Performance Network Luc Courtrai, Yves Maheo, Frederic Raimbault

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Java Objects Communication on a High Performance Network Luc Courtrai, Yves Mah´eo, Fr. Recent works show the interest in Java for cluster programming. One of the main issues is to handle an alternative to the standard serialization process through the proposal of a Java object communication library

  3. IBM COBOL for AIX Integrating IBM COBOL for AIX with Java

    E-Print Network [OSTI]

    IBM COBOL for AIX Integrating IBM COBOL for AIX with Java By: Gaby Baghdadi Level: Introductory April 2010 #12;Integrating IBM COBOL for AIX with Java, Page 2 of 32 Copyright © 2010, IBM® Corporation........................................................................ 8 COBOL class used with a Java client

  4. A Freeware Java Tool for Spatial Point Analysis of Neuronal Barry G. Condron

    E-Print Network [OSTI]

    Condron, Barry

    NEWS ITEM A Freeware Java Tool for Spatial Point Analysis of Neuronal Structures Barry G. Condron, a freeware tool, called PAJ, has been developed. This Java-based tool takes 3D Cartesian coordinates as input in Java that is based on previously described statistical analysis (Diggle 2003). In PAJ, data is copied

  5. JSMeter: Comparing the Behavior of JavaScript Benchmarks with Real Web Applications

    E-Print Network [OSTI]

    Livshits, Ben

    widely used to enable Web 2.0, the performance of JavaScript is now a concern of ven- dors of every majorJSMeter: Comparing the Behavior of JavaScript Benchmarks with Real Web Applications Paruj {livshits,zorn}@microsoft.com Abstract JavaScript is widely used in web-based applications

  6. An Infrastructure for Hardware-Software Co-design of Embedded Real-Time Java Applications

    E-Print Network [OSTI]

    Wagner, Flávio Rech

    An Infrastructure for Hardware-Software Co-design of Embedded Real-Time Java Applications Elias of Kansas, USA dandrews@ittc.ku.edu Abstract The partitioning of applications into hardware and software in hardware in the context of the Real Time Specification for Java (RTSJ) standard. There is a Java class

  7. An Automated System for Converting App Inventor Apps to Java Interface For Creating and Managing Projects

    E-Print Network [OSTI]

    Gray, Jeffrey G.

    An Automated System for Converting App Inventor Apps to Java Interface For Creating and Managing of Computer Science Graphical Environment For Creating Layouts MIT App Inventor An Automated System for Converting App Inventor Apps to JavaAn Automated System for Converting App Inventor Apps to JavaAn Automated

  8. r-Java 2.0: the nuclear physics

    E-Print Network [OSTI]

    M. Kostka; N. Koning; Z. Shand; R. Ouyed; P. Jaikumar

    2014-02-16

    [Aims:] We present r-Java 2.0, a nucleosynthesis code for open use that performs r-process calculations as well as a suite of other analysis tools. [Methods:] Equipped with a straightforward graphical user interface, r-Java 2.0 is capable of; simulating nuclear statistical equilibrium (NSE), calculating r-process abundances for a wide range of input parameters and astrophysical environments, computing the mass fragmentation from neutron-induced fission as well as the study of individual nucleosynthesis processes. [Results:] In this paper we discuss enhancements made to this version of r-Java, paramount of which is the ability to solve the full reaction network. The sophisticated fission methodology incorporated into r-Java 2.0 which includes three fission channels (beta-delayed, neutron-induced and spontaneous fission) as well as computation of the mass fragmentation is compared to the upper limit on mass fission approximation. The effects of including beta-delayed neutron emission on r-process yield is studied. The role of coulomb interactions in NSE abundances is shown to be significant, supporting previous findings. A comparative analysis was undertaken during the development of r-Java 2.0 whereby we reproduced the results found in literature from three other r-process codes. This code is capable of simulating the physical environment of; the high-entropy wind around a proto-neutron star, the ejecta from a neutron star merger or the relativistic ejecta from a quark nova. As well the users of r-Java 2.0 are given the freedom to define a custom environment. This software provides an even platform for comparison of different proposed r-process sites and is available for download from the website of the Quark-Nova Project: http://quarknova.ucalgary.ca/

  9. Java Plug-in Configuration for Version 7, Update 51 or Later Java Plug-in Version7, Update 51 for PC and Macrequires additional configuration before it will allow InfoView to

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    Java Plug-in Configuration for Version 7, Update 51 or Later Java Plug-in Version7, Update 51. Open the Java Control Panel. · PC: o Click on Start Menu o Click on "Control Panel" o Click on the "Java" icon · Mac: o Click on Apple icon on upper left screen o Go to System Preferences o Click

  10. Java interface programming: Everything off the best website I've ever found: http://www-lia.deis.unibo.it/Misc/SW/Java/tutorial/html/native1.1/implementing/index.html

    E-Print Network [OSTI]

    Nourbakhsh, Illah

    Java interface programming: Everything off the best website I've ever found: http://www-lia.deis.unibo.it/Misc/SW/Java/tutorial/html/native1.1/implementing/index.html Table of Contents Java Native Interface Programming The JDK1.1 supports the Java Native Interface (JNI). On one hand, the JNI defines a standard naming and calling convention so

  11. Java Virtual-Machine Support for Portable Worst-Case Execution-Time Analysis I. Bate, G. Bernat

    E-Print Network [OSTI]

    Java Virtual-Machine Support for Portable Worst-Case Execution-Time Analysis I. Bate, G. Bernat@vmars.tuwien.ac.at Abstract The current trend towards the usage of Java in real-time, supported by two specifications (Real-Time Java and Real- Time Core extensions for the Java platform) requires ade- quate schedulability analysis

  12. PERFORMANCE MONITORING OF JAVA COMPONENT-ORIENTED DISTRIBUTED APPLICATIONS

    E-Print Network [OSTI]

    Murphy, John

    relevant projects. OrWell [3] is a monitoring environment for CORBA distributed applications, which uses attached to the existing objects. In addition, it is not clear whether the monitoring environmentPERFORMANCE MONITORING OF JAVA COMPONENT-ORIENTED DISTRIBUTED APPLICATIONS Adrian Mos, John Murphy

  13. Towards a Smart Compilation Manager for Java (Extended Abstract)

    E-Print Network [OSTI]

    Robbiano, Lorenzo

    Towards a Smart Compilation Manager for Java (Extended Abstract) Giovanni Lagorio DISI - Universit differently from the program obtained recompiling all the sources from scratch? We say that a compilation the sources for which the recompilation would be unde- fined: indeed, when the entire compilation fails, so

  14. Recent Advances in Java Technology Theory, Application, Implementation

    E-Print Network [OSTI]

    Power, James

    Recent Advances in Java Technology Theory, Application, Implementation James F. Power John T: Theory, Application, Implementation James F. Power and John T. Waldron (Eds.) First Edition, 2002 trademarks of Sun Microsystems, Inc. in the U.S. and other countries. This work is independent of Sun

  15. Static Information Flow Analysis for Java Department of Computer Science

    E-Print Network [OSTI]

    Bystroff, Chris

    Static Information Flow Analysis for Java Yin Liu Department of Computer Science Rensselaer their usage in software practice. This paper proposes run-time information flow models, and new static in software practice. We propose a new static information flow analysis towards this goal. This analysis

  16. Coalgebras and Monads in the Semantics of Java

    E-Print Network [OSTI]

    Poll, Erik

    of sequential Java from a combined coal- gebraic/monadic perspective. It turns out that these separate Jacobs and Erik Poll). Preprint submitted to Elsevier Science 5th February 2002 #12;type, describing with parameters. It has become standard in semantics to describe the result type on the right hand side

  17. HEP data analysis using jHepWork and Java

    E-Print Network [OSTI]

    S. Chekanov

    2009-02-09

    A role of Java in high-energy physics and recent progress in development of a platform-independent data-analysis framework, jHepWork, is discussed. The framework produces professional graphics and has many libraries for data manipulation.

  18. Producer Individual License Application Java Desktop App Entered demographic data

    E-Print Network [OSTI]

    Demurjian, Steven A.

    TESTING Producer ­ Individual License Application ­ Java Desktop App 7/21/2004 Entered demographic... On `Next', license attachment screen, added a cert letter: Still need to accommodate multiple authorities;On "Submit/Next" ­ Pulled up license with Inquiry tool. Some fields need widening. Didn't pick up

  19. A Java-based Science Portal for Neutron Scattering Experiments

    E-Print Network [OSTI]

    Vazhkudai, Sudharshan

    A Java-based Science Portal for Neutron Scattering Experiments Sudharshan S. Vazhkudai James A scattering facility recently commissioned by the US Department of Energy (DOE). The neutron beam produced (SNS) [14] is a large-scale leading- edge neutron scattering facility that hopes to fundamen- tally

  20. CSC 2014 Java Bootcamp Dr. Mary-Angela Papalaskari

    E-Print Network [OSTI]

    Papalaskari, Mary-Angela

    in range [0,1,2,3] float b = gen.nextFloat(); //float in range [0,1),eg: 0.4589 int c = gen.nextInt(4) + 1 University imported automatically, includes String and Math classes #12;The Math Class · The Math class: · Use Random method nextInt()to generate a random number: Java Bootcamp Dr. Papalaskari Villanova

  1. Functional Java Bytecode Christopher LEAGUE Valery TRIFONOV Zhong SHAO

    E-Print Network [OSTI]

    flow explicit, verification simple, and that is well-suited for translation into lower as one component in a sophisticated type-preserving compiler for Java class files. Though our that the just-in-time compiler, a considerably large and complex piece of software, does not introduce security

  2. ADistributed Computer Algebra System Based on Maple and Java 1

    E-Print Network [OSTI]

    ADistributed Computer Algebra System Based on Maple and Java 1 Wolfgang Schreiner Research Distributed Maple is a system for writing parallel programs in the computer algebra system Maple. It allows scheduler from Maple and implements a parallel programming model on top. The system is portable to most

  3. Building Web Applications with Servlets and JavaServer Pages

    E-Print Network [OSTI]

    Janzen, David

    ://www.rational.com/corpinfo/college_relations/seed/ #12;Web Development Overview · static html ­ text file containing html tags created manually ­ may a web browser ­ Java applets #12;Static HTML web browser web server _____.htmlrequest URL response HTML #12;Dynamic HTML web browser web server _____.html request URL response HTML _____.jsp _____.class

  4. Java support on genepool: java6 (jdk1.6) will be removed on 08/30/2013;

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantityBonneville Power Administration would likeUniverseIMPACT EVALUATIONIntroducing theActivationDept of Energy,OracleNERSCfirefox

  5. r-Java 2.0: the astrophysics

    E-Print Network [OSTI]

    M. Kostka; N. Koning; Z. Shand; R. Ouyed; P. Jaikumar

    2014-02-16

    [Context:] This article is the second in a two part series introducing r-Java 2.0, a nucleosynthesis code for open use that performs r-process calculations and provides a suite of other analysis tools. [Aims:] The first paper discussed the nuclear physics inherent to r-Java 2.0 and in this article the astrophysics incorporated into the software will be detailed. [Methods:] R-Java 2.0 allows the user to specify the density and temperature evolution for an r-process simulation. Defining how the physical parameters (temperature and density) evolve can effectively simulate the astrophysical conditions for the r-process. Within r-Java 2.0 the user has the option to select astrophysical environments which have unique sets of input parameters available for the user to adjust. In this work we study three proposed r-process sites; neutrino-driven winds around a proto-neutron star, ejecta from a neutron star merger and ejecta from a quark nova. The underlying physics that define the temperature and density evolution for each site is described in this work. [Results:] In this paper a survey of the available parameters for each astrophysical site is undertaken and the effect on final r-process abundance is compared. The resulting abundances for each site are also compared to solar observations both independently and in concert. R-Java 2.0 is available for download from the website of the Quark-Nova Project: http://quarknova.ucalgary.ca/

  6. Hypervelocity binary stars: smoking gun of massive binary black holes

    E-Print Network [OSTI]

    Youjun Lu; Qingjuan Yu; D. N. C. Lin

    2007-07-22

    The hypervelocity stars recently found in the Galactic halo are expelled from the Galactic center through interactions between binary stars and the central massive black hole or between single stars and a hypothetical massive binary black hole. In this paper, we demonstrate that binary stars can be ejected out of the Galactic center with velocities up to 10^3 km/s, while preserving their integrity, through interactions with a massive binary black hole. Binary stars are unlikely to attain such high velocities via scattering by a single massive black hole or through any other mechanisms. Based on the above theoretical prediction, we propose a search for binary systems among the hypervelocity stars. Discovery of hypervelocity binary stars, even one, is a definitive evidence of the existence of a massive binary black hole in the Galactic center.

  7. Binary ferrihydrite catalysts

    DOE Patents [OSTI]

    Huffman, G.P.; Zhao, J.; Feng, Z.

    1996-12-03

    A method of preparing a catalyst precursor comprises dissolving an iron salt and a salt of an oxoanion forming agent, in water so that a solution of the iron salt and oxoanion forming agent salt has a ratio of oxoanion/Fe of between 0.0001:1 to 0.5:1. Next is increasing the pH of the solution to 10 by adding a strong base followed by collecting of precipitate having a binary ferrihydrite structure. A binary ferrihydrite catalyst precursor is also prepared by dissolving an iron salt in water. The solution is brought to a pH of substantially 10 to obtain ferrihydrite precipitate. The precipitate is then filtered and washed with distilled water and subsequently admixed with a hydroxy carboxylic acid solution. The admixture is mixed/agitated and the binary ferrihydrite precipitate is then filtered and recovered. 3 figs.

  8. Binaries in the Kuiper Belt

    E-Print Network [OSTI]

    Noll, KS; Grundy, WM; Chiang, EI; Margot, J-L; Kern, SD

    2007-01-01

    The relative sizes of Kuiper Belt binaries. Bull. Amer. As-density for binary Kuiper belt object (26308) 1998 SM 165 .the satellite of Kuiper Belt object 2003 EL 61 . Astrophys.

  9. Binary Logic and Gates Introduction

    E-Print Network [OSTI]

    Bouhraoua, Abdelhafid

    . This binary system algebra is commonly referred to as Boolean Algebra after the mathematician George Boole, these functions are binary functions and require binary logic algebra for their derivation and manipulation Algebra Learn How to Map a Boolean Expressions into Logic Circuit Implementations Learn How To Manipulate

  10. Binary Join Trees

    E-Print Network [OSTI]

    Shenoy, Prakash P.

    1996-01-01

    the number of elements of set ?, and let || s || denote the number of elements of the state space of subset s. A procedure in pseudocode for constructing a join tree (N, E) using binary combination is as follows. 4.2.1 Procedure INPUT: ?, ? OUTPUT...

  11. Von MiniJava zur MiniJVM

    E-Print Network [OSTI]

    Seidl, Helmut

    Maschinen­Instruktionen können MiniJava­Programme beliebig komplex sein :­( Idee: #15; Gib formale Regeln an #12; Architektur der JVM: Code 1 2 3 0 54 SP 54 Store PC 17 0 1 2 3 17 12 #12; Code = enthält JVM entsprechenden Operationen auf Store aus. Konvention: 14 #12; 54 3 2 1 0 54 1 2 3 0 Store Store = Stack SP 54 15

  12. U-179: IBM Java 7 Multiple Vulnerabilities | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankADVANCEDInstallers/ContractorsPhotovoltaicsStateof Energy TwoEventScripting AttacksCode |9: IBM Java

  13. Introduction JAVA Georges Linares IUP GMI Universit d'Avignon et des Pays de Vaucluse

    E-Print Network [OSTI]

    Linarès, Georges

    Introduction à JAVA Georges Linares ­ IUP GMI ­ Université d'Avignon et des Pays de Vaucluse Modélisation Objet #12;Introduction à JAVA Historique ­ Les langages objets Simula 67 (trop tôt) Smalltalk utilisé ... et JAVA Georges Linares ­ IUP GMI ­ Université d'Avignon et des Pays de Vaucluse #12

  14. Java and JVM in a Nutshell Robert Stark, Joachim Schmid, Egon Borger

    E-Print Network [OSTI]

    Börger, Egon

    in a Nutshell execJavaT = execJavaStmT context(pos) = if pos = firstPos restbody/pos Bstm Exp then restbody/pos else restbody/up(pos) yieldUp(result) = restbody := restbody[result/up(pos)] pos := up(pos) yield(result) = restbody := restbody[result/pos] execJavaExpI = case context(pos) of lit yield(JLS(lit)) loc yield

  15. CJC: An Extensible Checker for the CleanJava Annotation Language

    E-Print Network [OSTI]

    Cheon, Yoonsik

    language for the Java programming language to support a Cleanroom-style functional program verification from the Cleanroom Software Engineering [1] that emphasizes defect prevention rather than defect

  16. Java on the MScIT Course at the University of Glasgow

    E-Print Network [OSTI]

    Poet, R.R.; Belhadj-Mostefa, K.; Proceedings of the 4th Java in the Computing Curriculum Conference (South Bank University) [More Details

    Poet,R.R. Belhadj-Mostefa,K. Proceedings of the 4th Java in the Computing Curriculum Conference (South Bank University)

  17. E S P A O L V A L E N C I E N G L I S H Experto Java

    E-Print Network [OSTI]

    Escolano, Francisco

    E S P A Ñ O L V A L E N C I À E N G L I S H Experto Java University of Alicante Experto Java Expert Web application with JavaEE and JavaScript development NEWS CONTENTS FACULTY CALENDAR REGISTRATION applications with Java EE and JavaScript. If you are interested in staying informed about this title you can

  18. Beowawe Binary Bottoming Cycle

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:FinancingPetroleum Based Fuels Researchof Energy andandBeforeofOhio can|Beowawe Binary

  19. Accretion in Compact Binaries

    E-Print Network [OSTI]

    Andrew R. King

    2003-03-26

    Compact binaries have long been a paradigm for accretion theory. Much of our present view of how accretion occurs comes directly from the comparison of theory with observations of these sources. Since theory differs little for other objects such as active galaxies, increasing efforts have recently gone into searching for correspondences in observed behaviour. This chapter aims at giving a concise summary of the field, with particular emphasis on new developments since the previous edition of this book. These developments have been significant. Much of the earlier literature implicitly assumed that accreting binaries were fairly steady sources accreting most of the mass entering their vicinity, often with main-sequence companions, and radiating the resulting accretion luminosity in rough isotropy. We shall see that in reality these assumptions fail for the majority of systems. Most are transient; mass ejection in winds and jets is extremely common; a large (sometimes dominant) fraction of even short-period systems have evolved companions whose structure deviates significantly from the zero-age main sequence; and the radiation pattern of many objects is significantly anisotropic. It is now possible to give a complete characterization of the observed incidence of transient and persistent sources in terms of the disc instability model and formation constraints. X-ray populations in external galaxies, particularly the ultraluminous sources, are revealing important new insights into accretion processes and compact binary evolution.

  20. Dynamic Tides in Close Binaries

    E-Print Network [OSTI]

    B. Willems

    2005-11-10

    The basic theory of dynamic tides in close binaries is reviewed. Particular attention is paid to resonances between dynamic tides and free oscillation modes and to the role of the apsidal-motion rate in probing the internal structure of binary components. The discussed effects are generally applicable to stars across the entire Hertzsprung-Russell diagram, including the binary OB-stars discussed at this meeting.

  1. Introduction to Java Programming for Networking (Lab 2b) Dr. Nazli MollahReferences: "An Intro to Network Programming with Java", Jan Graba; "Network Programming & Distr. Computing", Reilly & Reilly

    E-Print Network [OSTI]

    Hardy, Christopher R.

    1 Introduction to Java Programming for Networking (Lab 2b) Dr. Nazli MollahReferences: "An Intro to Network Programming with Java", Jan Graba; "Network Programming & Distr. Computing", Reilly & Reilly Lab 2b Objectives: Familiarizing yourself with the: java.net package · which contains the Inet

  2. T-606: Sun Java System Access Manager Lets Remote Users Partially Modify Data and Remote Authenticated Users Partially Access Data

    Broader source: Energy.gov [DOE]

    Sun Java System Access Manager Lets Remote Users Partially Modify Data and Remote Authenticated Users Partially Access Data.

  3. A Desktop 3D Printer in Safety-Critical Java Trur Biskopst Strm

    E-Print Network [OSTI]

    Schoeberl, Martin

    A Desktop 3D Printer in Safety-Critical Java Tórur Biskopstø Strøm Department of Informatics according to the specification. In this paper we present a 3D printer and its safety-critical Java level 1 evaluate the specification by implementing a RepRap 3D desktop printer as a use case. A RepRap is a desktop

  4. An on-the-y Reference Counting Garbage Collector for Java Yossi Levanoni Erez Petrank y

    E-Print Network [OSTI]

    Petrank, Erez

    An on-the- y Reference Counting Garbage Collector for Java Yossi Levanoni #3; Erez Petrank y compete with any tracing algorithm. We have implemented our algorithm on SUN's Java Virtual Machine 1 for realistic benchmarks. Thus, a clever design of eÆcient memory management and garbage collector

  5. A Language Identification Application Built on the Java Client/Server Platform

    E-Print Network [OSTI]

    Daume III, Hal

    a system to dynamically add language labels for whole documents and text fragments. We have experi­ mented with several client/server configu­ rations, and present the results of tradeoffs made between labelling to the base Java package 1 making the package usable for multilingual 1 A few pointers to online Java

  6. C Compiler Targeting the Java Virtual Machine Senior Honors Thesis (Advisor: Javed A. Aslam)

    E-Print Network [OSTI]

    C Compiler Targeting the Java Virtual Machine Jack Pien Senior Honors Thesis (Advisor: Javed A to compile once and execute across many different platforms. With the emergence of the Internet by Sun Microsystems to address this "Write Once, Run Anywhere" problem. What sets a compiled Java program

  7. True Separate Compilation of Java Classes Davide Ancona, Giovanni Lagorio, and Elena Zucca ?

    E-Print Network [OSTI]

    Robbiano, Lorenzo

    True Separate Compilation of Java Classes Davide Ancona, Giovanni Lagorio, and Elena Zucca ? DISI,lagorio,zuccag@disi.unige.it Abstract. We de#12;ne a type system modeling true separate compilation for a small but signi#12;cant Java's terminology) and compiled providing a minimal set of type requirements on missing classes. These requirements

  8. Monsoon drought over Java, Indonesia, during the past two centuries Rosanne D'Arrigo,1

    E-Print Network [OSTI]

    Monsoon drought over Java, Indonesia, during the past two centuries Rosanne D'Arrigo,1 Rob Wilson,2 reconstruct the boreal autumn (October­November) Palmer Drought Severity Index (PDSI) for Java, Indonesia between the climate of Indonesia and the large scale tropical Indo-Pacific climate system. Citation: D

  9. Improved Static Resolution of Dynamic Class Loading in Java Jason Sawin Atanas Rountev

    E-Print Network [OSTI]

    Sawin, Jason

    Improved Static Resolution of Dynamic Class Loading in Java Jason Sawin Atanas Rountev Ohio State. Unfor- tunately, the vast majority of static analyses for Java handle this feature either unsoundly or overly conser- vatively. We present a set of techniques for static reso- lution of dynamic

  10. GUI Migration across Heterogeneous Java Profiles Candy Wong, Hao-hua Chu, Masaji Katagiri

    E-Print Network [OSTI]

    Chu, Hao-hua

    GUI Migration across Heterogeneous Java Profiles Candy Wong, Hao-hua Chu, Masaji Katagiri Do-platform graphical user interface (GUI) development tools do not support migrate-able GUIs as they do not consider that can be migrated across heterogeneous Java profiles. In this paper, we will focus on two major problems

  11. Preliminary Assessment of the Java Intelligent Tutoring System Edward R. Sykes

    E-Print Network [OSTI]

    Franek, Frantisek

    Computing and Engineering Sciences, Sheridan College, 1430 Trafalgar Road, Oakville, Ont., Canada, L6H 2L1 of Computing and Software, Faculty of Science, McMaster University, 1280 Main Street W., Hamilton, Ont., Canada the growing trend of the Java programming language and to promote web-based personalized education, the Java

  12. Termination Graphs for Java Bytecode M. Brockschmidt, C. Otto, C. von Essen, and J. Giesl

    E-Print Network [OSTI]

    Ábrahám, Erika

    Termination Graphs for Java Bytecode M. Brockschmidt, C. Otto, C. von Essen, and J. Giesl LuFG Informatik 2, RWTH Aachen University, Germany Abstract. To prove termination of Java Bytecode (JBC) automatically, we transform JBC to finite termination graphs which represent all pos- sible runs of the program

  13. Kronos: A Java-Based Software System for the Processing and Retrieval of Large Scale

    E-Print Network [OSTI]

    Bader, David A.

    Kronos: A Java-Based Software System for the Processing and Retrieval of Large Scale AVHRR Data and preprocessing, indexing and storage, search and processing engine, and a Java interface. We illustrate the power of Maryland, College Park, MD 20742 March 4, 1999 1UMIACS and Department of Electrical Engineering 2Department

  14. Grain - A Java Analysis Framework for Total Data Readout

    E-Print Network [OSTI]

    P. Rahkila

    2007-11-21

    Grain is a data analysis framework developed to be used with the novel Total Data Readout data acquisition system. In Total Data Readout all the electronics channels are read out asynchronously in singles mode and each data item is timestamped. Event building and analysis has to be done entirely in the software post-processing the data stream. A flexible and efficient event parser and the accompanying software framework have been written entirely in Java. The design and implementation of the software are discussed along with experiences gained in running real-life experiments.

  15. Operating System Concepts with Java 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 4: Threads

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne ©2007 Chapter 4: Threads #12;4.2 Silberschatz, Galvin and Gagne ©2007Operating System Concepts with JavaOperating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Single and Multithreaded Processes #12

  16. Experto Universitario Java Enterprise Componentes de presentacin 2012-2013 Depto. Ciencia de la Computacin e IA Sesin 1

    E-Print Network [OSTI]

    Escolano, Francisco

    Experto Universitario Java Enterprise Componentes de presentación © 2012-2013 Depto. Ciencia de la Universitario Java Enterprise Componentes de presentación © 2012-2013 Depto. Ciencia de la Computación e IA Sesión 1 Experto Universitario Java Enterprise · Framewoks RIA basados en el servidor · Características

  17. Programao Grfica 3D com OpenGL, Open Inventor e Java 3D ALESSANDRO L. BICHO

    E-Print Network [OSTI]

    Barbosa, Alberto

    Programação Gráfica 3D com OpenGL, Open Inventor e Java 3D ALESSANDRO L. BICHO ½ LUIZ GONZAGA DA estudado a Open Inventor, uma ØÓÓÐ Ø orientada a objetos construída sobre a OpenGL, contemplando funções a Java 3D, que é fortemente inspirada na Open Inventor. Ela é a biblioteca padrão da linguagem Java para

  18. The Java-Sumatra Aerial Mega-Tramway

    E-Print Network [OSTI]

    Alexander Bolonkin; Richard Cathcart

    2007-01-09

    A mega-tramway based on the Indonesian islands of Sumatra and Java is proposed to span Sunda Strait. The Java-Sumatra Aerial Mega-Tramway (JSAMT) will be self-elevating and will regularly and cheaply launch passengers and cargoes via two conveyor belt-like facilities using standard winged shipping containers like those currently used by international trucking and ocean shipping industries that are volplaned across the Sunda Strait. The JSAMT will be a self-sustaining toll facility free of any requirement for international loans or funding guarantees for its construction. Its existence will remove any immediate need for an expensive to dig/maintain Nusantara Tunnel. We offer the formative basic technical specifications for the JSAMT and indicate some of the physical and cultural geographical facts underpinning our macro-engineering proposal; offshoots of a perfected and tested JSAMT may be installed at Palk Strait between India and Sri Lanka, the Gibraltar Strait and the Bering Strait by mid-21st Century.

  19. E S P A O L V A L E N C I E N G L I S H Experto Java

    E-Print Network [OSTI]

    Escolano, Francisco

    E S P A Ñ O L V A L E N C I À E N G L I S H Experto Java Universidad de Alicante Experto Java Nueva - 1 5 Experto Java Universidad de Alicante El Centro de Formación Continua de la Universidad de Alicante ha aprobado el proyecto de título propio de Experto en Desarrollo de Aplicaciones Web con Java EE

  20. E S P A O L V A L E N C I E N G L I S H Experto Java

    E-Print Network [OSTI]

    Escolano, Francisco

    E S P A Ñ O L V A L E N C I À E N G L I S H Experto Java Universidad de Alicante Experto Java tutorización. Todos ellos tienen una gran experiencia docente y profesional en el campo de Java Enterprise Aplicaciones para Dispositivos Móviles. Profesor del Experto Java desde 2010. http://www.frangarcia.net Aitor

  1. E S P A O L V A L E N C I E N G L I S H Experto Java

    E-Print Network [OSTI]

    Escolano, Francisco

    E S P A Ñ O L V A L E N C I À E N G L I S H Experto Java Universidad de Alicante Experto Java Experto Desarrollo Aplicaciones Web con JavaEE y JavaScript NOTICIAS CONTENIDOS PROFESORADO CALENDARIO MATRÍCULA BECAS NOTICIAS Y EVENTOS 1 8 / 0 6 / 2 0 1 4 Matriculación en el Experto Java Ya está disponible

  2. Proposal to extend a blanket contract for the supply and maintenance fo Network-Attached Storage systems for Oracle databases and for shared file servers for the LHC experiments

    E-Print Network [OSTI]

    2011-01-01

    Proposal to extend a blanket contract for the supply and maintenance fo Network-Attached Storage systems for Oracle databases and for shared file servers for the LHC experiments

  3. Interactive visualization for geoscience education: Java-based instructional tools for introductory geology 

    E-Print Network [OSTI]

    Nevorotina, Anna

    2001-01-01

    Two web-based interactive visualization tools were developed to support problem-based learning in tertiary introductory geoscience classes. The presented tools were designed using the Java[TM] programming language, following guidelines for good...

  4. A distributed hard real-time Java system for high mobility components 

    E-Print Network [OSTI]

    Rho, Sangig

    2005-02-17

    applications to adapt to changes in user requirements or to external events. We describe how we achieve run-time recon?guration in distributed Java applications by appropriately migrating servers. Guaranteed-rate schedulers at the servers provide...

  5. 6.092 Introduction to Software Engineering in Java, January (IAP) 2008

    E-Print Network [OSTI]

    Akeju, Usman O.

    This course is an introduction to software engineering, using the Java™ programming language; it covers concepts useful to 6.005. The focus is on developing high quality, working software that solves real problems. Students ...

  6. Towards OpenMP for Java J. M. Bull and M. D. Westhead

    E-Print Network [OSTI]

    Bull, Mark

    ] and SPAR Java [14]. However, these are designed prin­ cipally for distributed systems, and unlike our proposal, involve genuine language extensions. The current im­ plementations of Titanium and SPAR are via

  7. 11 Das Package java.io 11.1 Streams 11-3(188) Durch Vererbung werden diverse Streams fr konkrete Anwendungen erzeugt und im Package java.io

    E-Print Network [OSTI]

    Arndt, Holger

    Stream wie System.in liefert einen Strom aus Bytes. · Ein InputStreamReader wandelt einen Bytestrom in einen.out.println(datei.length()); 28 System.out.println(new Date(datei.lastModified())); JavaIO/Files/FileBsp2.java 12 String file

  8. Operating System Concepts with Java 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 1: Introduction

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne ©2007 Chapter 1: Introduction #12;1.2 Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Chapter 1: Introduction What Operating Systems Do Computer-System

  9. The Java programming language is acheiving greater accep-tance in high-end embedded systems such as cellphones and

    E-Print Network [OSTI]

    Bhattacharyya, Shuvra S.

    been explored recently. TurboJ [4] speeds up execution by compiling bytecode to native code aheadAbstract The Java programming language is acheiving greater accep- tance in high-end embedded and bytecode. Bytecode is object code that is processed by a program, referred to as the Java Virtual Machine

  10. Measuring Sulphur Dioxide (SO2) Emissions in October, 2010 Catastrophic Eruption from Merapi Volcano in Java, Indonesia

    E-Print Network [OSTI]

    Gilbes, Fernando

    Volcano in Java, Indonesia with Ozone Monitoring Instrument (OMI) José A. Morales-Collazo Geology This paper discusses sulfur dioxide (SO2) cloud emissions from Merapi Volcano in Java, Indonesia during, Indonesia. In October 26th , 2010, a catastrophic eruption was reported from Merapi causing nearly 386

  11. Using Entrez Utilities Web Service with Apache Axis2 for Java Creating a Web Service Client Application

    E-Print Network [OSTI]

    Levin, Judith G.

    Using Entrez Utilities Web Service with Apache Axis2 for Java Creating a Web Service Client Entrez Utilities Web Service using Axis2 for Java. Preinstalled Software You should have Apache Axis2.sh shell script file on Linux) in the bin directory of Axis2 installation. You will use it to generate Web

  12. Disks and Planets in Binary Systems

    E-Print Network [OSTI]

    Wilhelm Kley; Andreas Burkert

    2000-04-04

    The star formation process in molecular clouds usually leads to the formation of multiple stellar systems, mostly binaries. Remaining disks around those stars may be located around individual stars (circumstellar disks) or around the entire binary system (circumbinary disk). We shall briefly review the present observational evidence for both types of disks in binary stars, in particular the properties of circumbinary disks. We then present recent results of the theoretical modeling of the collapse and fragmentation of gravitationally unstable molecular cloud cores and their implications for binary and disk formation, and discuss the dynamical influence of the binary companions on disk truncation and gap formation. The presence of binaries may have profound influence on the process of planet formation as well. We present results on the stability and evolution of orbits of planets in disks around binaries.

  13. Operating System Concepts with Java 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 19: Real-Time Systems

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne ©2007 Chapter 19: Real-Time Systems #12;19.2 Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006Operating System Concepts with Java ­ 7th Edition, Nov 15

  14. E S P A O L V A L E N C I E N G L I S H Experto Java

    E-Print Network [OSTI]

    Escolano, Francisco

    E S P A Ñ O L V A L E N C I À E N G L I S H Experto Java Universitat d'Alacant Experto Java Becas Java Universitat d'Alacant Carretera de Sant Vicent del Raspeig s/n 03690 Sant Vicent del Raspeig

  15. Java Programming for High Performance Numerical Computing J. E. Moreira S. P. Midkiff M. Gupta P. V. Artigas M. Snir R. D. Lawrence

    E-Print Network [OSTI]

    Goldstein, Seth Copen

    Java Programming for High Performance Numerical Computing J. E. Moreira S. P. Midkiff M. Gupta P. V for enhancing Web content, Java has taken off as a serious general­ purpose programming language. Industry and academia alike have expressed great interest in using Java as a programming language for scientific

  16. SpoonEMF, une brique logicielle pour l'utilisation de l'IDM dans le cadre de la ringnierie de programmes Java5

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    programmes Java5 Olivier Barais Projet Triskell/IRISA campus de Beaulieu. F - 35 042 Rennes Cedex barais'IDM dans le cadre de la réingénierie d'applications écrites en Java. L'accent dans cette courte réutilisation d'outils comme l'analyseur syntaxique de code Java5 (parser) ou le générateur de code (pretty

  17. Jens Muller Wilhelm G. Spruth Anwendungs-und Transaktionsisolation unter Java

    E-Print Network [OSTI]

    Spruth, Wilhelm G.

    an overview of the solutions that are presently available or under discus- sion. J. M¨uller (k) · W.G. Spruth¨ubingen, Sand 13, 72076 T¨ubingen, Deutschland E-Mail: mail@jensmueller.com W.G. Spruth Institut f¨ur InformatikJens M¨uller · Wilhelm G. Spruth Anwendungs- und Transaktionsisolation unter Java Zusammenfassung

  18. JITProf: Pinpointing JIT-unfriendly JavaScript Code Michael Pradel

    E-Print Network [OSTI]

    Sen, Koushik

    that cause perfor- mance problems in the Firefox and Chrome browsers, and we apply the approach to popular a modern web browser. Another key reason behind the popularity of JavaScript among programmers is that it is a flexible, dynamically typed language. For example, programmers can add and delete object properties

  19. Optimization Coaching for JavaScript Vincent St-Amour1

    E-Print Network [OSTI]

    Tobin-Hochstadt, Sam

    Optimization Coaching for JavaScript Vincent St-Amour1 and Shu-yu Guo2 1 PLT @ NortheasternScript depends heavily on highly optimizing just-in-time compilers. Such compilers, like all compilers, can silently fall back to generating conservative, low-performance code during optimization. As a result, pro

  20. A Tested Semantics for Getters, Setters, and Eval in JavaScript

    E-Print Network [OSTI]

    Krishnamurthi, Shriram

    present S5, a semantics for the strict mode of the ECMAScript 5.1 (JavaScript) programming language. S5 shrinks the large source language into a manageable core through an implemented trans- formation programming languages, so their study is likely to have broad applicability. Categories and Subject

  1. Application layer thread migration in Java Project report for Advanced Topics in PLT

    E-Print Network [OSTI]

    migration that have been already explored. The primary reason that we want to explore application levelApplication layer thread migration in Java Project report for Advanced Topics in PLT Nikhil Sarda from various sources. One of the primary challenges of computer science today is the development

  2. Run-time Modification of the Class Hierarchy in a Live Java Development Environment

    E-Print Network [OSTI]

    Goldman, Kenneth J.

    1 Run-time Modification of the Class Hierarchy in a Live Java Development Environment Joel R. Louis {jbrandt, kjg}@wustl.edu Abstract Class hierarchy design is central to object-oriented software work on live development environments to allow run-time modification of the class hierarchy. The result

  3. Automatic Feedback-Directed Object Inlining in the Java HotSpotTM Virtual Machine

    E-Print Network [OSTI]

    Mössenböck, Hanspeter

    to be replaced by address arithmetic. We implemented this optimization for Sun Microsystems' Java HotSpotTM VM analysis. The garbage collector ensures that groups of colocated objects are not split: it copies groups This work was supported by Sun Microsystems, Inc. c ACM, 2007. This is the author's version of the work

  4. Semi-Automatic Region-Based Memory Management for Real-Time Java Embedded Systems

    E-Print Network [OSTI]

    Salagnac, Guillaume

    , our system behaves as efficiently as a garbage collector in terms of memory consumption. Our analysis garbage collectors (GC) is further- more hindered by hardware limitations, and embedded sys- tems analysis tool, we provide an environ- ment where all memory operations run in predictable time, 1http://java.sun

  5. Realtime Garbage Collection for a Multithreaded Java Microcontroller S. Fuhrmann, M. Pfeffer, J. Kreuzinger, Th. Ungerer

    E-Print Network [OSTI]

    Ungerer, Theo

    collection. Java lacks explicit memory release methods and therefore a garbage collector is needed to reclaim of garbage collectors in multithreaded hardware with real­time require­ ments. Current approaches investigate­threaded Alpha processor of DEC/Compaq [9] and Sun's MAJC­5200 processor, which feature two 4­threaded

  6. A Runtime System for XML Transformations in Java Aske Simon Christensen, Christian Kirkegaard, and Anders Mller

    E-Print Network [OSTI]

    Møller, Anders

    by the Danish National Research Foundation. #12;description of the XACT runtime system. We present a suitableA Runtime System for XML Transformations in Java Aske Simon Christensen, Christian Kirkegaard system where the operations can be performed efficiently. The system, named XACT, is based on a notion

  7. A Language Identification Application Built on the Java Client/Server Platform

    E-Print Network [OSTI]

    constructed a system to dynamically add language labels for whole documents and text fragments. We have experi labelling accuracy and the size/completeness of the language models. 1 Introduction In the 1.1 release been added to the base Java package 1 making the package usable for multilingual 1A few pointers

  8. A Kickball Game for Ankle Rehabilitation by JAVA, JNI and VRML

    E-Print Network [OSTI]

    Lee, Chan-Su

    A Kickball Game for Ankle Rehabilitation by JAVA, JNI and VRML Hyungjeen Choi , Jeha Ryu environment that can be applied to the ankle rehabilitation procedure. We developed a virtual football stadium of the ankle rehabilitation procedures. Keywords: ankle rehabilitation, virtual environment, VRML, JNI, K

  9. Effects of Static Type Specialization on Java Generic Collections (Technical Report)

    E-Print Network [OSTI]

    Machkasova, Elena

    specialization and suggest criteria for selecting groups of classes for performance improvements. As an example, we compare different ways of specializing subsets of the Java collections library and present-needed software development tool that allow programmers to combine the convenience of generic programming

  10. Modeling study of growth and potential geohazard for LUSI mud volcano: East Java, Indonesia

    E-Print Network [OSTI]

    Manga, Michael

    Modeling study of growth and potential geohazard for LUSI mud volcano: East Java, Indonesia Bambang., Wisma Mulia 22nd Floor, JI. Jend. Gatot Subroto 42, 12710 Jakarta, Indonesia b Bakosurtanal, Jl. Jakarta-Bogor Km. 46, 16911 Cibinong, Indonesia c Applied Geology Research Division, Institute of Technology

  11. Ground deformation associated with the eruption of Lumpur Sidoarjo mud volcano, east Java, Indonesia

    E-Print Network [OSTI]

    Aoki, Yosuke

    , Indonesia Yosuke Aoki , Teguh Purnama Sidiq 1 Earthquake Research Institute, University of Tokyo, 1-1 Yayoi. With this background, the eruption of Lumpur Sidoarjo (LUSI), eastern Java Island, Indonesia, pro- vides us), which yields good coherence even in vegetated regions like Indonesia. While Rudolph et al. (2013) used

  12. Modeling and Implementing Software Architecture with Acme and ArchJava

    E-Print Network [OSTI]

    Garlan, David

    Modeling and Implementing Software Architecture with Acme and ArchJava Marwan Abi-Antoun Jonathan+@cs.cmu.edu schmerl+@cs.cmu.edu nnahas@acm.org ttt@alumni.carnegiemellon.edu ABSTRACT We demonstrate a tool to incrementally synchronize an Acme architectural model described in the Acme Architectural Description Language

  13. Design Space Exploration for Java Processors with Cross-Profiling Martin Schoeberl

    E-Print Network [OSTI]

    Schoeberl, Martin

    systems (e.g., in the automotive and airborne domain), almost all mobile phones already contain a JVM-profiling is a technique that executes a program on a host platform, but collects profiling information for the target platform. Cross-profiling not only eases the detection of performance bottlenecks in embedded Java software

  14. Automatic Test Factoring for Java David Saff Shay Artzi Jeff H. Perkins Michael D. Ernst

    E-Print Network [OSTI]

    Ernst, Michael

    Automatic Test Factoring for Java David Saff Shay Artzi Jeff H. Perkins Michael D. Ernst MIT {saff,artzi,jhp,mernst}@csail.mit.edu Abstract Test factoring creates fast, focused unit tests from slow system-wide tests; each new unit test exercises only a subset of the functionality exercised

  15. Java Application that Outputs Quantum Circuit for Some NAND Formula Evaluators

    E-Print Network [OSTI]

    Robert R. Tucci

    2008-02-17

    This paper introduces QuanFruit v1.1, a Java application available for free. (Source code included in the distribution.) Recently, Farhi-Goldstone-Gutmann (FGG) wrote a paper arXiv:quant-ph/0702144 that proposes a quantum algorithm for evaluating NAND formulas. QuanFruit outputs a quantum circuit for the FFG algorithm.

  16. License Usage and Changes: A Large-Scale Study of Java Projects on GitHub

    E-Print Network [OSTI]

    Poshyvanyk, Denys

    License Usage and Changes: A Large-Scale Study of Java Projects on GitHub Christopher Vendome1 -- 4 University of Victoria, BC, Canada Abstract--Software licenses determine, from a legal point of view, under which conditions software can be integrated, used, and above all, redistributed. Licenses

  17. SAT-based Termination Analysis for Java Bytecode with AProVE

    E-Print Network [OSTI]

    Ábrahám, Erika

    SAT-based Termination Analysis for Java Bytecode with AProVE Carsten Fuhs LuFG Informatik 2, RWTH solving engines for the search problems in automated termination analysis. Consequently, the performance of current termination tools heavily relies on the speed of modern SAT solvers on the corresponding SAT

  18. Building Interactive Animations using VRML and Java FABIANA SALDANHA TAMIOSSO 1 , ALBERTO BARBOSA RAPOSO 1 ,

    E-Print Network [OSTI]

    de Figueiredo, Luiz Henrique

    are pre­ sented in Section 5. 2 VRML The main goal of the current version of VRML -- 2.0 -- is to provide the definition of a Java program to process and generate events that determine the behavior of scene elements as built­in tools for Web browsers and as autonomous tools. In this paper we present strategies we have

  19. Self-accounting as Principle for Portable CPU Control in Java

    E-Print Network [OSTI]

    Binder, Walter

    Self-accounting as Principle for Portable CPU Control in Java Walter Binder1 and Jarle Hulaas2 1 the threads of an application com- ponent aggregate the information of their respective CPU consumption within 1 Introduction Accounting and controlling the resource consumption of applications and of individual

  20. COSTA: Design and Implementation of a Cost and Termination Analyzer for Java Bytecode

    E-Print Network [OSTI]

    Zanardini, Damiano

    COSTA: Design and Implementation of a Cost and Termination Analyzer for Java Bytecode E. Albert1 and termination together is interesting, as both analyses share most of the machinery to, respectively, infer cost analysis share most of the system machinery, as they need to consider and infer roughly the same

  1. Detecting Concurrency Errors in Client-side JavaScript Web Applications

    E-Print Network [OSTI]

    issues are becoming more serious for web applications because a new web standard, HTML5, allows webDetecting Concurrency Errors in Client-side JavaScript Web Applications Shin Hong, Yongbae Park.park@kaist.ac.kr, moonzoo@cs.kaist.ac.kr Abstract--As web technologies have evolved, the complexity of dynamic web

  2. Binary Objects in the Kuiper Belt and Outlying Centaurs: Simulations

    E-Print Network [OSTI]

    Binary Objects in the Kuiper Belt and Outlying Centaurs: Simulations Stephan Kolassa kolassa Abstract. Two exchange reaction scenarios to account for the characteristics of Kuiper belt binaries, Websites and Programs . . . . . . . . . . . . . . . . . . . . . . 10 2 Binary Objects in the Kuiper Belt 11

  3. V-002: EMC NetWorker Module for Microsoft Applications Lets Remote...

    Broader source: Energy.gov (indexed) [DOE]

    Arbitrary Code U-130: JBoss Operations Network LDAP Authentication Bug Lets Remote Users Bypass Authentication V-104: Oracle Java Flaw Lets Remote Users Execute Arbitrary Code...

  4. U-254: Webmin Flaws Let Remote Authenticated Users Execute Arbitrary...

    Broader source: Energy.gov (indexed) [DOE]

    Cisco Connected Grid Network Management System Multiple Vulnerabilities V-104: Oracle Java Flaw Lets Remote Users Execute Arbitrary Code U-255: Apache Wicket Input Validation...

  5. The Evolution of Compact Binary Star Systems

    E-Print Network [OSTI]

    Konstantin Postnov; Lev Yungelson

    2014-03-21

    We review the formation and evolution of compact binary stars consisting of white dwarfs (WDs), neutron stars (NSs), and black holes (BHs). Mergings of compact binary stars are expected to be the most important sources for the forthcoming gravitational-wave (GW) astronomy. In the first part of the review, we discuss observational manifestations of close binary stars with NS and/or black components and their merger rate, crucial points in the formation and evolution of compact stars in binary systems, including the treatment of the natal kicks which NSs and BHs acquire during the core collapse of massive stars and the common envelope phase of binary evolution, which are most relevant to the merging rates of NS-NS, NS-BH and BH-BH binaries. The second part of the review is devoted mainly to formation and evolution of binary WDs and their observational manifestations, including their role as progenitors of cosmologically important thermonuclear SN Ia. We also consider AM CVn-stars which are thought to be the best verification binary GW sources for future low-frequency GW space interferometers.

  6. Interacting Jets from Binary Protostars

    E-Print Network [OSTI]

    G. C. Murphy; T. Lery; S. O'Sullivan; D. Spicer; F. Bacciotti; A. Rosen

    2007-11-20

    We investigate potential models that could explain why multiple proto-stellar systems predominantly show single jets. During their formation, stars most frequently produce energetic outflows and jets. However, binary jets have only been observed in a very small number of systems. We model numerically 3D binary jets for various outflow parameters. We also model the propagation of jets from a specific source, namely L1551 IRS 5, known to have two jets, using recent observations as constraints for simulations with a new MHD code. We examine their morphology and dynamics, and produce synthetic emission maps. We find that the two jets interfere up to the stage where one of them is almost destroyed or engulfed into the second one. We are able to reproduce some of the observational features of L1551 such as the bending of the secondary jet. While the effects of orbital motion are negligible over the jets dynamical timeline, their interaction has significant impact on their morphology. If the jets are not strictly parallel, as in most observed cases, we show that the magnetic field can help the collimation and refocusing of both of the two jets.

  7. Seismic facies and growth history of Miocene carbonate platforms, Wonocolo Formation, North Madura area, East Java Basin, Indonesia 

    E-Print Network [OSTI]

    Adhyaksawan, Rahadian

    2002-01-01

    The Miocene Wonocolo Formation in the North Madura area, East Java Basin, contains numerous isolated carbonate platforms that are broadly distributed across a ~3000 sq km area of the Indonesian back-arc region. The Wonocolo platforms provide...

  8. Designing and developing portable large-scale JavaScript web applications within the Experiment Dashboard framework

    E-Print Network [OSTI]

    Andreeva, J; Karavakis, E; Kokoszkiewicz, L; Nowotka, M; Saiz, P; Tuckett, D

    2012-01-01

    Improvements in web browser performance and web standards compliance, as well as the availability of comprehensive JavaScript libraries, provides an opportunity to develop functionally rich yet intuitive web applications that allow users to access, render and analyse data in novel ways. However, the development of such large-scale JavaScript web applications presents new challenges, in particular with regard to code sustainability and team-based work. We present an approach that meets the challenges of large-scale JavaScript web application design and development, including client-side model-view-controller architecture, design patterns, and JavaScript libraries. Furthermore, we show how the approach leads naturally to the encapsulation of the data source as a web API, allowing applications to be easily ported to new data sources. The Experiment Dashboard framework is used for the development of applications for monitoring the distributed computing activities of virtual organisations on the Worldwide LHC Comp...

  9. A genetic-algorithm-based method to find the unitary transformations for any de- sired quantum computation and application to a one-bit oracle decision problem

    E-Print Network [OSTI]

    Jeongho Bang; Seokwon Yoo

    2015-01-07

    We propose a genetic-algorithm-based method to find the unitary transformations for any desired quantum computation. We formulate a simple genetic algorithm by introducing the "genetic parameter vector" of the unitary transformations to be found. In the genetic algorithm process, all components of the genetic parameter vectors are supposed to evolve to the solution parameters of the unitary transformations. We apply our method to find the optimal unitary transformations and to generalize the corresponding quantum algorithms for a realistic problem, the one-bit oracle decision problem, or the often-called Deutsch problem. By numerical simulations, we can faithfully find the appropriate unitary transformations to solve the problem by using our method. We analyze the quantum algorithms identified by the found unitary transformations and generalize the variant models of the original Deutsch's algorithm.

  10. Genepool Featured Announcements

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Java support on genepool: java6 (jdk1.6) will be removed on 08302013; firefox security updates June 28, 2013 | 0 Comments Oracle has stopped releasing free security updates for...

  11. A class of non-binary LDPC codes 

    E-Print Network [OSTI]

    Gilra, Deepak

    2004-09-30

    threshold. We use this concept to study and compare the convergence thresholds for binary and non-binary PA codes. We also use the concept of EXIT-charts to show why certain irregularities in LDPC codes are better than others. The organization... EXIT- charts in Chapter IV. 16 CHAPTER III Non-Binary Product Accumulate Codes From the previous chapter we see that non-binary LDPC codes perform better than binary LDPC codes. Also we see...

  12. Logic Design Chapter 1: Binary Numbers

    E-Print Network [OSTI]

    Wu, Xiaolin

    of four bits: nibble · A group of eight bits: byte Conversion between Decimal and Binary · Converting least-significant bit (LSB) · The left most bit is called the most significant bit (MSB) · A group

  13. Gravitational waves from merging compact binaries

    E-Print Network [OSTI]

    Hughes, Scott A.

    Largely motivated by the development of highly sensitive gravitational-wave detectors, our understanding of merging compact binaries and the gravitational waves they generate has improved dramatically in recent years. ...

  14. Binaries in the Hipparcos data: Keep digging

    E-Print Network [OSTI]

    Pourbaix, D; Jorissen, A

    2004-01-01

    Among the 120 000 objects in the Hipparcos catalogue, only 235 were fitted with an orbital model. Besides these 235 original astrometric binaries, most Hipparcos entries with a known spectroscopic orbit (extrasolar planet or stellar companion) have now been re-processed, as part of the on-going construction of the 9th Catalogue of Spectroscopic Binary Orbits (SB9, available at http://sb9.astro.ulb.ac.be). The pitfalls and successes of this re-processing are discussed in various contexts, like (i) orbital inclinations: the holy grail for extrasolar planets (ii) searching for binaries without a priori knowledge of their spectroscopic orbital elements, and application to barium stars (iii) why not all SB9 entries yield acceptable astrometric solutions? The lessons learned from this study are useful to devise the best possible binary-detection and orbit-determination algorithms for future astrometric missions like GAIA.

  15. Binaries in the Hipparcos data: Keep digging

    E-Print Network [OSTI]

    D. Pourbaix; S. Jancart; A. Jorissen

    2004-01-23

    Among the 120 000 objects in the Hipparcos catalogue, only 235 were fitted with an orbital model. Besides these 235 original astrometric binaries, most Hipparcos entries with a known spectroscopic orbit (extrasolar planet or stellar companion) have now been re-processed, as part of the on-going construction of the 9th Catalogue of Spectroscopic Binary Orbits (SB9, available at http://sb9.astro.ulb.ac.be). The pitfalls and successes of this re-processing are discussed in various contexts, like (i) orbital inclinations: the holy grail for extrasolar planets (ii) searching for binaries without a priori knowledge of their spectroscopic orbital elements, and application to barium stars (iii) why not all SB9 entries yield acceptable astrometric solutions? The lessons learned from this study are useful to devise the best possible binary-detection and orbit-determination algorithms for future astrometric missions like GAIA.

  16. Direct Exoplanet Detection with Binary Differential Imaging

    E-Print Network [OSTI]

    Rodigas, Timothy J; Mamajek, Eric E; Males, Jared R; Close, Laird M; Morzinski, Katie; Hinz, Philip M; Kaib, Nathan

    2015-01-01

    Binaries are typically excluded from direct imaging exoplanet surveys. However, the recent findings of Kepler and radial velocity programs show that planets can and do form in binary systems. Here, we suggest that visual binaries offer unique advantages for direct imaging. We show that Binary Differential Imaging (BDI), whereby two stars are imaged simultaneously at the same wavelength within the isoplanatic patch at high Strehl ratio, offers improved point spread function (PSF) subtraction that can result in increased sensitivity to planets close to each star. We demonstrate this by observing a young visual binary separated by 4\\asec ~with MagAO/Clio-2 at 3.9 \\microns, where the Strehl ratio is high, the isoplanatic patch is large, and giant planets are bright. Comparing BDI to angular differential imaging (ADI), we find that BDI's 5$\\sigma$ contrast is \\about 0.5 mags better than ADI's within \\about 1\\asec ~for the particular binary we observed. Because planets typically reside close to their host stars, BD...

  17. Spectroscopic subsystems in nearby wide binaries

    E-Print Network [OSTI]

    Tokovinin, Andrei

    2015-01-01

    Radial velocity (RV) monitoring of solar-type visual binaries has been conducted at the CTIO/SMARTS 1.5-m telescope to study short-period systems. Data reduction is described, mean and individual RVs of 163 observed objects are given. New spectroscopic binaries are discovered or suspected in 17 objects, for some of them orbital periods could be determined. Subsystems are efficiently detected even in a single observation by double lines and/or by the RV difference between the components of visual binaries. The potential of this detection technique is quantified by simulation and used for statistical assessment of 96 wide binaries within 67pc. It is found that 43 binaries contain at least one subsystem and the occurrence of subsystems is equally probable in either primary or secondary components. The frequency of subsystems and their periods match the simple prescription proposed by the author (2014, AJ, 147, 87). The remaining 53 simple wide binaries with a median projected separation of 1300AU have the distri...

  18. Binary module test. Final report

    SciTech Connect (OSTI)

    Schilling, J.R.; Colley, T.C.; Pundyk, J.

    1980-12-01

    The objective of this project was to design and test a binary loop module representative of and scaleable to commercial size units. The design was based on state-of-the-art heat exchanger technology, and the purpose of the tests was to confirm performance of a supercritical boiling cycle using isobutane and a mixture of isobutane and isopentane as the secondary working fluid. The module was designed as one percent of a 50 MW unit. It was installed at Magma Power's East Mesa geothermal field and tested over a period of approximately 4 months. Most of the test runs were with isobutane but some data were collected for hydrocarbon mixtures. The results of the field tests are reported. In general these results indicate reasonably good heat balances and agreement with overall heat transfer coefficients calculated by current stream analysis methods and available fluid property data; however, measured pressure drops across the heat exchangers were 20 percent higher than estimated. System operation was stable under all conditions tested.

  19. Operating System Concepts with Java 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 11: File System Implementation

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne ©2007 Chapter 11: File System Implementation #12;11.2 Silberschatz, Galvin and Gagne ©2007Operating;11.3 Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Objectives

  20. Silberschatz, Galvin and Gagne 2007Operating System Concepts with Java 7th Edition, Nov 15, 2006 Chapter 2: Operating-System Structures

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Chapter 2: Operating-System Structures #12;2.2 Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Chapter 2: Operating-System Structures Operating System

  1. Operating System Concepts with Java 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 13: I/O Systems

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne ©2007 Chapter 13: I/O Systems #12;13.2 Silberschatz, Galvin and Gagne ©2007Operating System Concepts;13.3 Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Objectives

  2. 11 Datenstrme und Dateien 11.1 Streams 11-3(190) Durch Vererbung werden diverse Streams fr konkrete Anwendungen erzeugt und im Package java.io als

    E-Print Network [OSTI]

    Arndt, Holger

    verschachtelt werden. · Ein einfacher InputStream wie System.in liefert einen Strom aus Bytes. · Ein Input.out.println(datei.length()); 28 System.out.println(new Date(datei.lastModified())); Dateien/JavaIO/File/FileBsp2.java 12 String

  3. The Binary White Dwarf LHS 3236

    E-Print Network [OSTI]

    Harris, Hugh; Dupuy, Trent; Canzian, Blaise; Guetter, Harry; Hartkopf, William; Ireland, Michael; Leggett, Sandy; Levine, Stephen; Liu, Michael; Luginbuhl, Christian; Monet, Alice; Stone, Ronald; Subasavage, John; Tilleman, Trudy; Walker, Richard

    2013-01-01

    The white dwarf LHS 3236 (WD1639+153) is shown to be a double-degenerate binary, with each component having a high mass. Astrometry at the U.S. Naval Observatory gives a parallax and distance of 30.86 +/- 0.25 pc and a tangential velocity of 98 km/s, and reveals binary orbital motion. The orbital parameters are determined from astrometry of the photocenter over more than three orbits of the 4.0-year period. High-resolution imaging at the Keck Observatory resolves the pair with a separation of 31 and 124 mas at two epochs. Optical and near-IR photometry give a set of possible binary components. Consistency of all data indicates that the binary is a pair of DA stars with temperatures near 8000 and 7400 K and with masses of 0.93 and 0.91 M_solar; also possible, is a DA primary and a helium DC secondary with temperatures near 8800 and 6000 K and with masses of 0.98 and 0.69 M_solar. In either case, the cooling ages of the stars are ~3 Gyr and the total ages are <4 Gyr. The combined mass of the binary (1.66--1....

  4. The binary white dwarf LHS 3236

    SciTech Connect (OSTI)

    Harris, Hugh C.; Dahn, Conard C.; Canzian, Blaise; Guetter, Harry H.; Levine, Stephen E.; Luginbuhl, Christian B.; Monet, Alice K. B.; Stone, Ronald C.; Subasavage, John P.; Tilleman, Trudy; Walker, Richard L. [US Naval Observatory, 10391 West Naval Observatory Road, Flagstaff, AZ 86001-8521 (United States); Dupuy, Trent J.; Liu, Michael C. [Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822 (United States); Hartkopf, William I. [US Naval Observatory, 3450 Massachusetts Avenue, N.W., Washington, DC 20392-5420 (United States); Ireland, Michael J. [Department of Physics and Astronomy, Macquarie University, New South Wales, NSW 2109 (Australia); Leggett, S. K., E-mail: hch@nofs.navy.mil [Gemini Observatory, 670 N. Aohoku Place, Hilo, HI 96720 (United States)

    2013-12-10

    The white dwarf LHS 3236 (WD1639+153) is shown to be a double-degenerate binary, with each component having a high mass. Astrometry at the U.S. Naval Observatory gives a parallax and distance of 30.86 ± 0.25 pc and a tangential velocity of 98 km s{sup –1}, and reveals binary orbital motion. The orbital parameters are determined from astrometry of the photocenter over more than three orbits of the 4.0 yr period. High-resolution imaging at the Keck Observatory resolves the pair with a separation of 31 and 124 mas at two epochs. Optical and near-IR photometry give a set of possible binary components. Consistency of all data indicates that the binary is a pair of DA stars with temperatures near 8000 and 7400 K and with masses of 0.93 and 0.91 M {sub ?}; also possible is a DA primary and a helium DC secondary with temperatures near 8800 and 6000 K and with masses of 0.98 and 0.69 M {sub ?}. In either case, the cooling ages of the stars are ?3 Gyr and the total ages are <4 Gyr. The combined mass of the binary (1.66-1.84 M {sub ?}) is well above the Chandrasekhar limit; however, the timescale for coalescence is long.

  5. Investigating Dark Energy with Black Hole Binaries

    E-Print Network [OSTI]

    Laura Mersini-Houghton; Adam Kelleher

    2009-06-08

    The accelerated expansion of the universe is ascribed to the existence of dark energy. Black holes accretion of dark energy induces a mass change proportional to the energy density and pressure of the background dark energy fluid. The time scale during which the mass of black holes changes considerably is too long relative to the age of the universe, thus beyond detection possibilities. We propose to take advantage of the modified black hole masses for exploring the equation of state $w[z]$ of dark energy, by investigating the evolution of supermassive black hole binaries on a dark energy background. Deriving the signatures of dark energy accretion on the evolution of binaries, we find that dark energy imprints on the emitted gravitational radiation and on the changes in the orbital radius of the binary can be within detection limits for certain supermassive black hole binaries. In this talk I describe how binaries can provide a useful tool in obtaining complementary information on the nature of dark energy, based on the work done with A.Kelleher.

  6. TIDAL NOVAE IN COMPACT BINARY WHITE DWARFS

    SciTech Connect (OSTI)

    Fuller, Jim; Lai Dong [Department of Astronomy, Cornell University, Ithaca, NY 14850 (United States)

    2012-09-01

    Compact binary white dwarfs (WDs) undergoing orbital decay due to gravitational radiation can experience significant tidal heating prior to merger. In these WDs, the dominant tidal effect involves the excitation of outgoing gravity waves in the inner stellar envelope and the dissipation of these waves in the outer envelope. As the binary orbit decays, the WDs are synchronized from outside in (with the envelope synchronized first, followed by the core). We examine the deposition of tidal heat in the envelope of a carbon-oxygen WD and study how such tidal heating affects the structure and evolution of the WD. We show that significant tidal heating can occur in the star's degenerate hydrogen layer. This layer heats up faster than it cools, triggering runaway nuclear fusion. Such 'tidal novae' may occur in all WD binaries containing a CO WD, at orbital periods between 5 minutes and 20 minutes, and precede the final merger by 10{sup 5}-10{sup 6} years.

  7. Hybrid black-hole binary initial data

    E-Print Network [OSTI]

    Bruno C. Mundim; Bernard J. Kelly; Yosef Zlochower; Hiroyuki Nakano; Manuela Campanelli

    2010-12-04

    Traditional black-hole binary puncture initial data is conformally flat. This unphysical assumption is coupled with a lack of radiation signature from the binary's past life. As a result, waveforms extracted from evolutions of this data display an abrupt jump. In Kelly et al. [Class.Quant.Grav.27:114005,2010], a new binary black-hole initial data with radiation contents derived in the post-Newtonian (PN) calculation was adapted to puncture evolutions in numerical relativity. This data satisfies the constraint equations to the 2.5PN order, and contains a transverse-traceless "wavy" metric contribution, violating the standard assumption of conformal flatness. Although the evolution contained less spurious radiation, there were undesired features; the unphysical horizon mass loss and the large initial orbital eccentricity. Introducing a hybrid approach to the initial data evaluation, we significantly reduce these undesired features.

  8. BINARIES MIGRATING IN A GASEOUS DISK: WHERE ARE THE GALACTIC CENTER BINARIES?

    SciTech Connect (OSTI)

    Baruteau, C.; Lin, D. N. C.; Cuadra, J. E-mail: lin@ucolick.org

    2011-01-01

    The massive stars in the Galactic center inner arcsecond share analogous properties with the so-called Hot Jupiters. Most of these young stars have highly eccentric orbits and were probably not formed in situ. It has been proposed that these stars acquired their current orbits from the tidal disruption of compact massive binaries scattered toward the proximity of the central supermassive black hole. Assuming a binary star formed in a thin gaseous disk beyond 0.1 pc from the central object, we investigate the relevance of disk-satellite interactions to harden the binding energy of the binary, and to drive its inward migration. A massive, equal-mass binary star is found to become more tightly wound as it migrates inward toward the central black hole. The migration timescale is very similar to that of a single-star satellite of the same mass. The binary's hardening is caused by the formation of spiral tails lagging the stars inside the binary's Hill radius. We show that the hardening timescale is mostly determined by the mass of gas inside the binary's Hill radius and that it is much shorter than the migration timescale. We discuss some implications of the binary's hardening process. When the more massive (primary) components of close binaries eject most their mass through supernova explosion, their secondary stars may attain a range of eccentricities and inclinations. Such processes may provide an alternative unified scenario for the origin of the kinematic properties of the central cluster and S-stars in the Galactic center as well as the high-velocity stars in the Galactic halo.

  9. Low-mass binaries in the young cluster IC 348: implications for binary formation and evolution

    E-Print Network [OSTI]

    Gaspard Duchene; Jerome Bouvier; Theodore Simon

    1999-01-05

    We report on a near-infrared adaptive optics survey of a sample of 66 low-mass members of the pre-main sequence stellar cluster IC 348. We find 12 binary systems in the separation range 0.1-8.0 arcsec. An estimate of the number of faint undetected companions is derived, before we evaluate the binary frequency in this cluster. In the orbital period range log P=5.0-7.9 days, the binary fraction in IC 348 is 19+/-5 %.This is similar to the values correspondings to G- and M-dwarfs populations in the solar neigbourhood. Substellar companions are found to be rare, or even missing, as companions of low-mass stars in the separation range we surveyed. Also, the mass ratio distribution is not peaked at q=1. We do not find any evidence for an evolution of the binary frequency with age within the age spread of the cluster of about 10 Myr. We conclude that there is no temporal evolution of the binary fraction between a few Myrs after the formation process, the zero-age main sequence and the field population. We find instead a trend for the binary fraction to be inversely correlated with stellar density, with only loose associations exhibiting an excess of binaries. Either all star-forming regions initially host a large number of binaries, which is subsequently reduced only in dense clusters on a timescale of less than 1 Myr due to numerous gravitational encounters, or specific initial conditions in the parental molecular clouds impact on the fragmentation process leading to intrinsically different binary fractions.

  10. Scalable Support for Multithreaded Applications on Dynamic Binary Instrumentation Systems

    E-Print Network [OSTI]

    Hazelwood, Kim

    Scalable Support for Multithreaded Applications on Dynamic Binary Instrumentation Systems Kim Dynamic binary instrumentation systems are used to inject or mod- ify arbitrary instructions in existing for supporting large, multithreaded applications on JIT-based dynamic instrumentation systems. While implementing

  11. Protecting Kernels from Untrusted Modules using Dynamic Binary Instrumentation

    E-Print Network [OSTI]

    Goel, Ashvin

    Protecting Kernels from Untrusted Modules using Dynamic Binary Instrumentation University · virtualization · Secure only modules whose source code is available (BGI, · LXFI, etc.) · Many modules is manageable · Data consistency is challenging Dynamic Binary Instrumentation Goals and Approach Challenges Two

  12. Dielectric elastomer actuators for binary robotics and mechatronics

    E-Print Network [OSTI]

    Plante, Jean-Sébastien, Ph. D. Massachusetts Institute of Technology

    2006-01-01

    Future robotics and mechatronics applications will require systems that are simple, robust, lightweight and inexpensive. A suggested solution for future systems is binary actuation. Binary actuation is the mechanical analogy ...

  13. Binary Evolution in World Wide Web

    E-Print Network [OSTI]

    S. N. Nazin; V. M. Lipunov; I. E. Panchenko; K. A. Postnov; M. E. Prokhorov; S. B. Popov

    1996-05-29

    We present a WWW-version of the {\\it Scenario Machine} - a computer code designed to calculate the evolution of close binary stellar systems. The Internet users can directly access to the code and calculate binary evolutionary tracks with parameters at the user's will. The program is running on the {\\it Pentium} server of the Division of the Relativistic Astrophysics of the Sternberg Astronimical Institute (http://xray.sai.msu.su/ ). The results are presented both in the form of tables and graphic diagrams. The work is always in progress. More possibilities for Internet users are intended to become available in the near future.

  14. Binary Capture Rates for Massive Protostars

    E-Print Network [OSTI]

    Nickolas Moeckel; John Bally

    2007-04-09

    The high multiplicity of massive stars in dense, young clusters is established early in their evolution. The mechanism behind this remains unresolved. Recent results suggest that massive protostars may capture companions through disk interactions with much higher efficiency than their solar mass counterparts. However, this conclusion is based on analytic determinations of capture rates and estimates of the robustness of the resulting binaries. We present the results of coupled n-body and SPH simulations of star-disk encounters to further test the idea that disk-captured binaries contribute to the observed multiplicity of massive stars.

  15. Ph.D.Thesis Binary inversion of gravity

    E-Print Network [OSTI]

    Ph.D.Thesis Binary inversion of gravity data for salt imaging Richard A. Krahenbuhl Center of Mines Golden, CO 80401 http://www.geophysics.mines.edu/cgem CGEM #12;#12;Ph.D.Thesis Binary inversion) #12;#12;BINARY INVERSION OF GRAVITY DATA FOR SALT IMAGING by Richard A. Krahenbuhl #12;#12;ii A thesis

  16. Eclipsing Binaries in the WTS 19a Field

    E-Print Network [OSTI]

    Pinfield, David J.

    Eclipsing Binaries in the WTS 19a Field Hristo Stoev Department of Astrophysics, Centre of the WTS light curves Results from the search of variable stars in the field Focus on eclipsing binaries;Summary and outlook 66 high-quality light curves of eclipsing binaries have been identified in the WTS 19a

  17. LaTTe: A Java VM JustinTime Compiler with Fast and Efficient Register Allocation \\Lambda

    E-Print Network [OSTI]

    Kim, Taejeong

    LaTTe: A Java VM Just­in­Time Compiler with Fast and Efficient Register Allocation \\Lambda Byung­Sun model, a lightweight mon­ itor, a fast mark­and­sweep garbage collector, and an on­demand exception that the current LaTTe JVMs achieve performance better than or comparable to the latest SUN JIT compilers (JDK 1

  18. A severe drought during the last millennium in East Java, Indonesia Jessica R. Rodysill a, *, James M. Russell a

    E-Print Network [OSTI]

    Vuille, Mathias

    of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung 40132, Indonesia d DepartmentA severe drought during the last millennium in East Java, Indonesia Jessica R. Rodysill a, *, James Available online Keywords: Drought Indonesia Indo-Pacific Warm Pool El Niño-Southern Oscillation Little Ice

  19. Implementation of Resource Adapter for SAP R/3 and generation of java-proxy class of BAPIs

    E-Print Network [OSTI]

    Moeller, Ralf

    SAP as their Enterprise Information System. Integrating the EIS with the existing Application Server-Oriented approach in accessing the data from the EIS. For the SAP system, java-proxy class of BAPIs can be generated to access the data from SAP R/3. My project work is concerned with developing a Resource Adapter for SAP

  20. Operating System Concepts with Java 7th Edition, Nov 15, 2006 Silberschatz, Galvin and Gagne 2007 Chapter 15: Security

    E-Print Network [OSTI]

    Bezrukov, Sergei

    with Java ­ 7th Edition, Nov 15, 2006 Chapter 15: Security The Security Problem Program Threats System Edition, Nov 15, 2006 Program Threats Trojan Horse Code segment that misuses its environment Exploits Edition, Nov 15, 2006 C Program with Buffer-overflow Condition #12;15.10 Silberschatz, Galvin and Gagne

  1. Comprehensive Kernel Instrumentation via Dynamic Binary Translation

    E-Print Network [OSTI]

    Toronto, University of

    Comprehensive Kernel Instrumentation via Dynamic Binary Translation Peter Feiner Angela Demke Brown, bug-finding, and security tools. Such tools are currently not available for operating system (OS handlers and device drivers, enabling comprehensive instrumentation of the OS without imposing any overhead

  2. Binary translation using peephole translation rules

    DOE Patents [OSTI]

    Bansal, Sorav; Aiken, Alex

    2010-05-04

    An efficient binary translator uses peephole translation rules to directly translate executable code from one instruction set to another. In a preferred embodiment, the translation rules are generated using superoptimization techniques that enable the translator to automatically learn translation rules for translating code from the source to target instruction set architecture.

  3. Flip-flopping binary black holes

    E-Print Network [OSTI]

    Carlos O. Lousto; James Healy

    2015-03-14

    We study binary spinning black holes to display the long term individual spin dynamics. We perform a full numerical simulation starting at an initial proper separation of $d\\approx25M$ between equal mass holes and evolve them down to merger for nearly 48 orbits, 3 precession cycles, and half of a flip-flop cycle. The simulation lasts for $t=20000M$ and displays a total change in the orientation of the spin of one of the black holes from initially aligned with the orbital angular momentum to a complete anti-alignment after half of a flip-flop cycle. We compare this evolution with an integration of the 3.5 Post-Newtonian equations of motion and spin evolution to show that this process continuously flip-flops the spin during the lifetime of the binary until merger. We also provide lower order analytic expressions for the maximum flip-flop angle and frequency. We discuss the effects this dynamics may have on spin growth in accreting binaries and on the observational consequences for galactic and supermassive binary black holes.

  4. XM-17330/27330 BINARY/ASCII

    E-Print Network [OSTI]

    Skemer, Philip

    the instruction manual of the basic unit. Conversion Measured data of each program is stored in files withinXM-17330/27330 BINARY/ASCII CONVERSION PROGRAM For the proper use of the instrument, be sure Conversion............................................. 4 2.2 Conversion of Quantitative Analysis Line Formed

  5. Binary power multiplier for electromagnetic energy

    DOE Patents [OSTI]

    Farkas, Zoltan D. (203 Leland Ave., Menlo Park, CA 94025)

    1988-01-01

    A technique for converting electromagnetic pulses to higher power amplitude and shorter duration, in binary multiples, splits an input pulse into two channels, and subjects the pulses in the two channels to a number of binary pulse compression operations. Each pulse compression operation entails combining the pulses in both input channels and selectively steering the combined power to one output channel during the leading half of the pulses and to the other output channel during the trailing half of the pulses, and then delaying the pulse in the first output channel by an amount equal to half the initial pulse duration. Apparatus for carrying out each of the binary multiplication operation preferably includes a four-port coupler (such as a 3 dB hybrid), which operates on power inputs at a pair of input ports by directing the combined power to either of a pair of output ports, depending on the relative phase of the inputs. Therefore, by appropriately phase coding the pulses prior to any of the pulse compression stages, the entire pulse compression (with associated binary power multiplication) can be carried out solely with passive elements.

  6. Planetary nebula progenitors that swallow binary systems

    E-Print Network [OSTI]

    Soker, Noam

    2015-01-01

    I propose that some irregular `messy' planetary nebulae owe their morphologies to triple-stellar evolution where tight binary systems are tidally and frictionally destroyed inside the envelope of asymptotic giant branch (AGB) stars. The tight binary system might breakup with one star leaving the system. In an alternative evolution, one of the stars of the brook-up tight binary system falls toward the AGB envelope with low specific angular momentum, and drowns in the envelope. In a different type of destruction process the drag inside the AGB envelope causes the tight binary system to merge. This releases gravitational energy within the AGB envelope, leading to a very asymmetrical envelope ejection, with an irregular and `messy' planetary nebula as a descendant. The evolution of the triple-stellar system before destruction can be in a full common envelope evolution (CEE) or in a grazing envelope evolution (GEE). Both before and after destruction the system might lunch pairs of opposite jets. One pronounced sig...

  7. Mining Binary Expressions: Applications and Toon Calders

    E-Print Network [OSTI]

    Antwerpen, Universiteit

    Mining Binary Expressions: Applications and Algorithms Toon Calders Jan Paredaens Universiteit Antwerpen, Departement Wiskunde-Informatica, Universiteitsplein 1, B-2610 Wilrijk, Belgium. {calders,pareda}@uia.ua.ac.be Technical report TR0008, June 2000 Abstract In data mining, searching for frequent patterns is a common

  8. Bipolar Jets Produced By A Spectroscopic Binary

    E-Print Network [OSTI]

    Mundt, Reinhard

    0.6, periastron separation ~18 R[subscript A] , M[subscript A] = 0.6 M sun, MB = 0.7 M sun) are a common product of the whole binary system, rather than being launched from either star individually. They may be launched ...

  9. Probing Dark Energy with Black Hole Binaries

    E-Print Network [OSTI]

    Laura Mersini-Houghton; Adam Kelleher

    2008-08-25

    The equation of state (EoS) of dark energy $w$ remains elusive despite enormous experimental efforts to pin down its value and its time variation. Yet it is the single most important handle we have in our understanding of one of the most mysterious puzzle in nature, dark energy. This letter proposes a new method for measuring the EoS of dark energy by using the gravitational waves (GW) of black hole binaries. The method described here offers an alternative to the standard way of large scale surveys. It is well known that the mass of a black hole changes due to the accretion of dark energy but at an extremely slow rate. However, a binary of supermassive black holes (SBH) radiates gravitational waves with a power proportional to the masses of these accreting stars and thereby carries information on dark energy. These waves can propagate through the vastness of structure in the universe unimpeded. The orbital changes of the binary, induced by the energy loss from gravitational radiation, receive a large contribution from dark energy accretion. This contribution is directly proportional to $(1+w)$ and is dominant for SBH binaries with separation $R \\ge 1000$ parsec, thereby accelerating the merging process for $w > -1$ or ripping the stars apart for phantom dark energy with $w < -1$. Such orbital changes, therefore $w$, can be detected with LIGO and LISA near merging time, or with X-ray and radio measurements of Chandra and VLBA experiments.

  10. Java Printing

    E-Print Network [OSTI]

    User

    2009-09-09

    O. O. (14). O. (9). O. O. O. (8). O. (13). (4). (5). O. (10). (7). (12). O. (1). O. (11). (6). O. O. O. (3). (2). O. Problem 3: From ILT: A25 d .08165. A25 := 0.08165. A32 d .

  11. Java Printing

    E-Print Network [OSTI]

    User

    2010-11-30

    O. O. (5). O. O. (9). (3). (1). O. (6). (8). O. (7). O. O. O. (2). (4). 1) Huntington Bank offers an account that pays 4%, compounded daily. They decide to change to.

  12. Java Printing

    E-Print Network [OSTI]

    richard

    2014-10-09

    (1). > > > (4). (3). (2). 1) Lafayette Savings Bank offers an account that pays a nominal rate of i% per year, compounded daily. A deposit of $1,000 made on ...

  13. Java Printing

    E-Print Network [OSTI]

    User

    2008-10-22

    O. (8). (12). (9). (7). O. O. O. O. (10). O. O. (2). (4). (16). (11). (13). (5). (1). (14). O. O. O. O. (3). O. (15). O. (6). O. O. O. FV:=(i,PV,n,Y)->(1+i)^n*PV-((1+i)^n-1)*Y/i;.

  14. Java Printing

    E-Print Network [OSTI]

    Math

    2012-12-12

    (3). > > > > > (7). > (6). > > (2). (4). > (5). > (1). 1)At the end of year 1 I deposit $1,000 into an account that is earning 4% interest compounded annually. At the ...

  15. Identification of earthquakes that generate tsunamis in Java and Nusa Tenggara using rupture duration analysis

    SciTech Connect (OSTI)

    Pribadi, S., E-mail: sugengpribadimsc@gmail.com [Tsunami Warning Information Division, Indonesian Meteorological Climatological and Geophysical Agency (BMKG), Jalan Angkasa I No. 2, Jakarta13920 and Graduate Student of Earth Sciences, Faculty of Earth Sciences and Technology, Bandung Institute of T (Indonesia); Puspito, N. T.; Yudistira, T.; Afnimar,; Ibrahim, G. [Global Geophysics Research Group, Faculty of Mining and Petroleum Engineering, Bandung Institute of Technology (ITB), Jalan Ganesha 10, Bandung 40132 (Indonesia); Laksono, B. I. [Database Maintenance Division, Indonesian Meteorological Climatological and Geophysical Agency (BMKG), Jalan Angkasa I No.2, Jakarta 13920 (Indonesia); Adnan, Z. [Database Maintenance Division, Indonesian Meteorological Climatological and Geophysical Agency (BMKG), Jalan Angkasa I No. 2, Jakarta 13920 and Graduate Student of Earth Sciences, Faculty of Earth Sciences and Technology, Bandung Institute of Technol (Indonesia)

    2014-09-25

    Java and Nusa Tenggara are the tectonically active of Sunda arc. This study discuss the rupture duration as a manifestation of the power of earthquake-generated tsunami. We use the teleseismic (30° - 90°) body waves with high-frequency energy Seismometer is from IRIS network as amount 206 broadband units. We applied the Butterworth high bandpass (1 - 2 Hz) filtered. The arrival and travel times started from wave phase of P - PP which based on Jeffrey Bullens table with TauP program. The results are that the June 2, 1994 Banyuwangi and the July 17, 2006 Pangandaran earthquakes identified as tsunami earthquakes with long rupture duration (To > 100 second), medium magnitude (7.6 < Mw < 7.9) and located near the trench. The others are 4 tsunamigenic earthquakes and 3 inland earthquakes with short rupture duration start from To > 50 second which depend on its magnitude. Those events are located far from the trench.

  16. Understanding resonance graphs using Easy Java Simulations (EJS) and why we use EJS

    E-Print Network [OSTI]

    Wee, Loo Kang; Chew, Charles; Wong, Darren; Tan, Samuel

    2015-01-01

    This paper reports a computer model- simulation created using Easy Java Simulation (EJS) for learners to visualize how the steady-state amplitude of a driven oscillating system varies with the frequency of the periodic driving force. The simulation shows (N=100) identical spring-mass systems being subjected to (1) periodic driving force of equal amplitude but different driving frequencies and (2) different amount of damping. The simulation aims to create a visually intuitive way of understanding how the series of amplitude versus driving frequency graphs are obtained by showing how the displacement of the system changes over time as it transits from the transient to the steady state. A suggested how to use the model is added to help educators and students in their teaching and learning, where we explained the theoretical steady state equation, time conditions when the model starts allowing data recording of maximum amplitudes to closely match the theoretical equation and steps to collect different runs of deg...

  17. Binary Black Holes in Stationary Orbits

    E-Print Network [OSTI]

    Sandip K. Chakrabarti

    1992-08-27

    We show that under certain astrophysical conditions a binary system consisting of two compact objects can be stabilized against indefinite shrinking of orbits due to the emission of gravitational radiation. In this case, the lighter binary companion settles down to a stable orbit when the loss of the angular momentum due to gravitational radiation becomes equal to its gain from the accreting matter from the disk around the more massive primary. We claim that such systems can be stable against small perturbations and can be regarded as steady emitters of gravitational waves of constant frequency and amplitude. Furthermore, X-rays emitted by the secondary can also produce astrophysically interesting situations when coupled with gravitational lensing and Doppler effects.

  18. Long-Term Stability of Planets in Binary Systems

    E-Print Network [OSTI]

    Matthew Holman; Paul Wiegert

    1998-09-24

    A simple question of celestial mechanics is investigated: in what regions of phase space near a binary system can planets persist for long times? The planets are taken to be test particles moving in the field of an eccentric binary system. A range of values of the binary eccentricity and mass ratio is studied, and both the case of planets orbiting close to one of the stars, and that of planets outside the binary orbiting the system's center of mass, are examined. From the results, empirical expressions are developed for both 1) the largest orbit around each of the stars, and 2) the smallest orbit around the binary system as a whole, in which test particles survive the length of the integration (10^4 binary periods). The empirical expressions developed, which are roughly linear in both the mass ratio mu and the binary eccentricity e, are determined for the range 0.0 <= e <= 0.7-0.8 and 0.1 <= mu <= 0.9 in both regions, and can be used to guide searches for planets in binary systems. After considering the case of a single low-mass planet in binary systems, the stability of a mutually-interacting system of planets orbiting one star of a binary system is examined, though in less detail.

  19. On the Neutron Star-Black Hole Binaries Produced by Binary-driven Hypernovae

    E-Print Network [OSTI]

    Fryer, C L; Rueda, J A; Ruffini, R

    2015-01-01

    Binary-driven hypernovae (BdHNe) following the induced gravitational collapse (IGC) paradigm have been introduced to explain the concomitance of energetic long gamma-ray bursts (GRBs) with type Ic supernovae. The progenitor system is a tight binary system composed of a carbon-oxygen (CO) core and a neutron star (NS) companion. The supernova ejecta of the exploding CO core triggers a hypercritical accretion process onto the NS, which in a few seconds reach the NS critical mass, and gravitationally collapses to a black hole (BH) emitting a GRB. These tight binary systems evolve through the supernova explosion very differently than compact binary progenitors studied in population synthesis calculations. First, the hypercritical accretion onto the NS companion alters both the mass and momentum of the binary. Second, because the explosion timescale is on par with the orbital period, the mass ejection can not be assumed to be instantaneous. Finally, the bow shock created as the accreting NS plows through the supern...

  20. Automated pupil remapping with binary optics

    DOE Patents [OSTI]

    Neal, Daniel R. (Tijeras, NM); Mansell, Justin (Albuquerque, NM)

    1999-01-01

    Methods and apparatuses for pupil remapping employing non-standard lenslet shapes in arrays; divergence of lenslet focal spots from on-axis arrangements; use of lenslet arrays to resize two-dimensional inputs to the array; and use of lenslet arrays to map an aperture shape to a different detector shape. Applications include wavefront sensing, astronomical applications, optical interconnects, keylocks, and other binary optics and diffractive optics applications.

  1. Automated pupil remapping with binary optics

    DOE Patents [OSTI]

    Neal, D.R.; Mansell, J.

    1999-01-26

    Methods and apparatuses are disclosed for pupil remapping employing non-standard lenslet shapes in arrays; divergence of lenslet focal spots from on-axis arrangements; use of lenslet arrays to resize two-dimensional inputs to the array; and use of lenslet arrays to map an aperture shape to a different detector shape. Applications include wavefront sensing, astronomical applications, optical interconnects, keylocks, and other binary optics and diffractive optics applications. 24 figs.

  2. Binary mixture flammability characteristics for hazard assessment 

    E-Print Network [OSTI]

    Vidal Vazquez, Migvia del C.

    2005-11-01

    flash point value as the mixture flash point. Flash point predictions were performed for 14 binary mixtures using various G ex models for the activity coefficients. Quantum chemical calculations and UNIFAC, a theoretical model that does not require... Page 1. Classification of Flammability According to DOT and NFPA.......................5 2. Some Activity Coefficient (G ex Energy) Models..........................................21 3. Input Data Used for COSMO-RS Calculations...

  3. Gravitational lensing in eclipsing binary stars

    E-Print Network [OSTI]

    T. R. Marsh

    2000-12-18

    I consider the effect of the gravitational deflection of light upon the light curves of eclipsing binary stars, focussing mainly upon systems containing at least one white dwarf component. In absolute terms the effects are small, however they are strongest at the time of secondary eclipse when the white dwarf transits its companion, and act to reduce the depth of this feature. If not accounted for, this may lead to under-estimation of the radius of the white dwarf compared to that of its companion. I show that the effect is significant for plausible binary parameters, and that it leads to ~25% reduction in the transit depth in the system KPD 1930+2752. The reduction of eclipse depth is degenerate with the stellar radius ratio, and therefore cannot be used to establish the existence of lensing. A second order effect of the light bending is to steepen the ingress and egress features of the secondary eclipse relative to the primary eclipse, although it will be difficult to see this in practice. I consider also binaries containing neutron stars and black-holes. I conclude that, although relatively large effects are possible in such systems, a combination of rarity, faintness and intrinsic variability make it unlikely that lensing will be detectable in them.

  4. BINARY CEPHEIDS: SEPARATIONS AND MASS RATIOS IN 5 M {sub ?} BINARIES

    SciTech Connect (OSTI)

    Evans, Nancy Remage; Karovska, Margarita; Tingle, Evan; Bond, Howard E.; Schaefer, Gail H.; Mason, Brian D. E-mail: heb11@psu.edu

    2013-10-01

    Deriving the distribution of binary parameters for a particular class of stars over the full range of orbital separations usually requires the combination of results from many different observing techniques (radial velocities, interferometry, astrometry, photometry, direct imaging), each with selection biases. However, Cepheids—cool, evolved stars of ?5 M {sub ?}—are a special case because ultraviolet (UV) spectra will immediately reveal any companion star hotter than early type A, regardless of the orbital separation. We have used International Ultraviolet Explorer UV spectra of a complete sample of all 76 Cepheids brighter than V = 8 to create a list of all 18 Cepheids with companions more massive than 2.0 M {sub ?}. Orbital periods of many of these binaries are available from radial-velocity studies, or can be estimated for longer-period systems from detected velocity variability. In an imaging survey with the Hubble Space Telescope Wide Field Camera 3, we resolved three of the companions (those of ? Aql, S Nor, and V659 Cen), allowing us to make estimates of the periods out to the long-period end of the distribution. Combining these separations with orbital data in the literature, we derive an unbiased distribution of binary separations, orbital periods, and mass ratios. The distribution of orbital periods shows that the 5 M {sub ?} binaries have systematically shorter periods than do 1 M {sub ?} stars. Our data also suggest that the distribution of mass ratios depends on both binary separation and system multiplicity. The distribution of mass ratios as a function of orbital separation, however, does not depend on whether a system is a binary or a triple.

  5. Automatic classification of eclipsing binaries light curves using neural networks

    E-Print Network [OSTI]

    L. M. Sarro; C. Sánchez-Fernández; A. Giménez

    2005-11-11

    In this work we present a system for the automatic classification of the light curves of eclipsing binaries. This system is based on a classification scheme that aims to separate eclipsing binary sistems according to their geometrical configuration in a modified version of the traditional classification scheme. The classification is performed by a Bayesian ensemble of neural networks trained with {\\em Hipparcos} data of seven different categories including eccentric binary systems and two types of pulsating light curve morphologies.

  6. Candidate spectroscopic binaries in the Sloan Digital Sky Survey

    E-Print Network [OSTI]

    Pourbaix, D; Szkody, P; Ivezic, Z; Kleinman, S J; Long, D; Snedden, S A; Nitta, A; Harvanek, M; Krzesínski, J; Brewington, H J; Barentine, J C; Neilsen, E H; Brinkmann, J

    2005-01-01

    We have examined the radial velocity data for stars spectroscopically observed by the Sloan Digital Sky Survey (SDSS) more than once to investigate the incidence of spectroscopic binaries, and to evaluate the accuracy of the SDSS stellar radial velocities. We find agreement between the fraction of stars with significant velocity variations and the expected fraction of binary stars in the halo and thick disk populations. The observations produce a list of 675 possible new spectroscopic binary stars and orbits for eight of them.

  7. Candidate spectroscopic binaries in the Sloan Digital Sky Survey

    E-Print Network [OSTI]

    D. Pourbaix; G. R. Knapp; P. Szkody; Z. Ivezic; S. J. Kleinman; D. Long; S. A. Snedden; A. Nitta; M. Harvanek; J. Krzesinski; H. J. Brewington; J. C. Barentine; E. H. Neilsen; J. Brinkman

    2005-08-29

    We have examined the radial velocity data for stars spectroscopically observed by the Sloan Digital Sky Survey (SDSS) more than once to investigate the incidence of spectroscopic binaries, and to evaluate the accuracy of the SDSS stellar radial velocities. We find agreement between the fraction of stars with significant velocity variations and the expected fraction of binary stars in the halo and thick disk populations. The observations produce a list of 675 possible new spectroscopic binary stars and orbits for eight of them.

  8. DESTRUCTION OF BINARY MINOR PLANETS DURING NEPTUNE SCATTERING

    SciTech Connect (OSTI)

    Parker, Alex H. [Department of Astronomy, University of Victoria, BC (Canada); Kavelaars, J. J., E-mail: alexhp@uvic.c [Herzberg Institute of Astrophysics, National Research Council of Canada (Canada)

    2010-10-20

    The existence of extremely wide binaries in the low-inclination component of the Kuiper Belt provides a unique handle on the dynamical history of this population. Some popular frameworks of the formation of the Kuiper Belt suggest that planetesimals were moved there from lower semimajor axis orbits by scattering encounters with Neptune. We test the effects such events would have on binary systems and find that wide binaries are efficiently destroyed by the kinds of scattering events required to create the Kuiper Belt with this mechanism. This indicates that a binary-bearing component of the cold Kuiper Belt was emplaced through a gentler mechanism or was formed in situ.

  9. The albedo, size, and density of binary Kuiper Belt object (47171) 1999 TC36

    E-Print Network [OSTI]

    2006-01-01

    2005. The formation of Kuiper-belt binaries through exchangeand Density of Binary Kuiper Belt Object (47171) 1999 TC 36emission of the binary Kuiper Belt Object (47171) 1999 TC 36

  10. Upper Mahiao Binary GEPP | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEt Al.,Turin, New York:Power CompanyCROSS-VALIDATION OFUpperMahiao Binary

  11. The Gaia Mission, Binary Stars and Exoplanets

    E-Print Network [OSTI]

    Eyer, Laurent; Holl, Berry; North, Pierre; Zucker, Shay; Evans, Dafydd W; Pourbaix, Dimitri; Hodgkin, Simon T; Thuillot, William; Mowlavi, Nami; Carry, Benoit

    2015-01-01

    On the 19th of December 2013, the Gaia spacecraft was successfully launched by a Soyuz rocket from French Guiana and started its amazing journey to map and characterise one billion celestial objects with its one billion pixel camera. In this presentation, we briefly review the general aims of the mission and describe what has happened since launch, including the Ecliptic Pole scanning mode. We also focus especially on binary stars, starting with some basic observational aspects, and then turning to the remarkable harvest that Gaia is expected to yield for these objects.

  12. A Dynamic Binary Instrumentation Engine for the ARM Architecture

    E-Print Network [OSTI]

    Hazelwood, Kim

    A Dynamic Binary Instrumentation Engine for the ARM Architecture Kim Hazelwood University of Virginia Artur Klauser Intel Corporation ABSTRACT Dynamic binary instrumentation (DBI) is a powerful instrumentation system from Intel. In particular, we highlight the design decisions that are geared toward

  13. The angular velocity of the apsidal rotation in binary stars

    E-Print Network [OSTI]

    B. V. Vasiliev

    2004-05-19

    The shape of a rotating star consisting of equilibrium plasma is considered. The velocity of apsidal rotation of close binary stars (periastron rotation) which depends on the star shapes is calculated. The obtained estimations are in a good agreement with the observation data of the apsidal motion in binary systems.

  14. Fast Software Implementation of Binary Elliptic Curve Cryptography

    E-Print Network [OSTI]

    International Association for Cryptologic Research (IACR)

    Fast Software Implementation of Binary Elliptic Curve Cryptography Manuel Bluhm1 and Shay Gueron2 protected software implementation of point multiplication for the standard NIST and SECG binary elliptic of their relatively short keys. Thus, software implementations of ECC for the high end server platforms become

  15. Binary coding of Kekule structures of catacondensed benzenoid hydrocarbons

    E-Print Network [OSTI]

    Klavzar, Sandi

    Binary coding of Kekulâ??e structures of catacondensed benzenoid hydrocarbons Sandi KlavŸzar, aâ??e structures of benzenoids Key words: benzenoid hydrocarbons, benzenoid graph, resonance graph, Kekul easily be recovered from its binary code. Key words: benzenoid hydrocarbons, benzenoid graph, resonance

  16. Binary coding of Kekule structures of catacondensed benzenoid hydrocarbons

    E-Print Network [OSTI]

    Klavzar, Sandi

    Binary coding of Kekul´e structures of catacondensed benzenoid hydrocarbons Sandi Klavzar of benzenoids Key words: benzenoid hydrocarbons, benzenoid graph, resonance graph, Kekul´e structure, algorithm easily be recovered from its binary code. Key words: benzenoid hydrocarbons, benzenoid graph, resonance

  17. MICROLENSING BINARIES WITH CANDIDATE BROWN DWARF COMPANIONS

    SciTech Connect (OSTI)

    Shin, I.-G.; Han, C. [Department of Physics, Institute for Astrophysics, Chungbuk National University, Cheongju 371-763 (Korea, Republic of); Gould, A.; Skowron, J. [Department of Astronomy, Ohio State University, 140 W. 18th Ave., Columbus, OH 43210 (United States); Udalski, A.; Szymanski, M. K.; Kubiak, M.; Soszynski, I.; Pietrzynski, G.; Poleski, R.; Ulaczyk, K.; Pietrukowicz, P.; Kozlowski, S.; Wyrzykowski, L. [Warsaw University Observatory, Al. Ujazdowskie 4, 00-478 Warszawa (Poland); Sumi, T. [Department of Earth and Space Science, Osaka University, Osaka 560-0043 (Japan); Dominik, M. [SUPA, University of St. Andrews, School of Physics and Astronomy, North Haugh, St. Andrews KY16 9SS (United Kingdom); Beaulieu, J.-P. [Institut d'Astrophysique de Paris, UMR7095 CNRS-Universite Pierre and Marie Curie, 98 bis boulevard Arago, F-75014 Paris (France); Tsapras, Y. [Las Cumbres Observatory Global Telescope Network, 6740B Cortona Dr., Suite 102, Goleta, CA 93117 (United States); Bozza, V. [Dipartimento di Fisica 'E. R. Caianiello', Universita degli Studi di Salerno, Via S. Allende, I-84081 Baronissi (Italy); Abe, F. [Solar-Terrestrial Environment Laboratory, Nagoya University, Nagoya 464-8601 (Japan); Collaboration: OGLE Collaboration; MOA Collaboration; muFUN Collaboration; and others

    2012-12-01

    Brown dwarfs are important objects because they may provide a missing link between stars and planets, two populations that have dramatically different formation histories. In this paper, we present the candidate binaries with brown dwarf companions that are found by analyzing binary microlensing events discovered during the 2004-2011 observation seasons. Based on the low mass ratio criterion of q < 0.2, we found seven candidate events: OGLE-2004-BLG-035, OGLE-2004-BLG-039, OGLE-2007-BLG-006, OGLE-2007-BLG-399/MOA-2007-BLG-334, MOA-2011-BLG-104/OGLE-2011-BLG-0172, MOA-2011-BLG-149, and MOA-201-BLG-278/OGLE-2011-BLG-012N. Among them, we are able to confirm that the companions of the lenses of MOA-2011-BLG-104/OGLE-2011-BLG-0172 and MOA-2011-BLG-149 are brown dwarfs by determining the mass of the lens based on the simultaneous measurement of the Einstein radius and the lens parallax. The measured masses of the brown dwarf companions are 0.02 {+-} 0.01 M {sub Sun} and 0.019 {+-} 0.002 M {sub Sun} for MOA-2011-BLG-104/OGLE-2011-BLG-0172 and MOA-2011-BLG-149, respectively, and both companions are orbiting low-mass M dwarf host stars. More microlensing brown dwarfs are expected to be detected as the number of lensing events with well-covered light curves increases with new-generation searches.

  18. Hamiltonian Hydrodynamics and Irrotational Binary Inspiral

    E-Print Network [OSTI]

    Charalampos M. Markakis

    2014-10-28

    Gravitational waves from neutron-star and black-hole binaries carry valuable information on their physical properties and probe physics inaccessible to the laboratory. Although development of black-hole gravitational-wave templates in the past decade has been revolutionary, the corresponding work for double neutron-star systems has lagged. Neutron stars can be well-modelled as simple barotropic fluids during the part of binary inspiral most relevant to gravitational wave astronomy, but the crucial geometric and mathematical consequences of this simplification have remained computationally unexploited. In particular, Carter and Lichnerowicz have described barotropic fluid motion via classical variational principles as conformally geodesic. Moreover, Kelvin's circulation theorem implies that initially irrotational flows remain irrotational. Applied to numerical relativity, these concepts lead to novel Hamiltonian or Hamilton-Jacobi schemes for evolving relativistic fluid flows. Hamiltonian methods can conserve not only flux, but also circulation and symplecticity, and moreover do not require addition of an artificial atmosphere typically required by standard conservative methods. These properties can allow production of high-precision gravitational waveforms at low computational cost. This canonical hydrodynamics approach is applicable to a wide class of problems involving theoretical or computational fluid dynamics.

  19. Binary classification of items of interest in a repeatable process

    DOE Patents [OSTI]

    Abell, Jeffrey A.; Spicer, John Patrick; Wincek, Michael Anthony; Wang, Hui; Chakraborty, Debejyo

    2014-06-24

    A system includes host and learning machines in electrical communication with sensors positioned with respect to an item of interest, e.g., a weld, and memory. The host executes instructions from memory to predict a binary quality status of the item. The learning machine receives signals from the sensor(s), identifies candidate features, and extracts features from the candidates that are more predictive of the binary quality status relative to other candidate features. The learning machine maps the extracted features to a dimensional space that includes most of the items from a passing binary class and excludes all or most of the items from a failing binary class. The host also compares the received signals for a subsequent item of interest to the dimensional space to thereby predict, in real time, the binary quality status of the subsequent item of interest.

  20. Gravitational waveforms for neutron star binaries from binary black hole simulations

    E-Print Network [OSTI]

    Barkett, Kevin; Haas, Roland; Ott, Christian D; Bernuzzi, Sebastiano; Brown, Duncan A; Szilágyi, Béla; Kaplan, Jeffrey D; Lippuner, Jonas; Muhlberger, Curran D; Foucart, Francois; Duez, Matthew D

    2015-01-01

    Gravitational waves from binary neutron star (BNS) and black-hole/neutron star (BHNS) inspirals are primary sources for detection by the Advanced Laser Interferometer Gravitational-Wave Observatory. The tidal forces acting on the neutron stars induce changes in the phase evolution of the gravitational waveform, and these changes can be used to constrain the nuclear equation of state. Current methods of generating BNS and BHNS waveforms rely on either computationally challenging full 3D hydrodynamical simulations or approximate analytic solutions. We introduce a new method for computing inspiral waveforms for BNS/BHNS systems by adding the post-Newtonian (PN) tidal effects to full numerical simulations of binary black holes (BBHs), effectively replacing the non-tidal terms in the PN expansion with BBH results. Comparing a waveform generated with this method against a full hydrodynamical simulation of a BNS inspiral yields a phase difference of $<1$ radian over $\\sim 15$ orbits. The numerical phase accuracy ...

  1. Implementation aspects of nonsynchronized binary receivers 

    E-Print Network [OSTI]

    Wills, Wesley Mark

    1990-01-01

    )-RECSUM-0. 25 C22=RL(2, ZA) +RECSUM-0. 25 IF(THAT(IA) . LT. 0. 5)THEN 021=RL(2, IA)-RECSUM+2. 0*THAT(IA)eRR(i, ZB)- 1 0, 5e(2. 0eTHAT(IA)-0. 5) ee2-0. 126 C12=RL (1, I A) +REC SUM-2 . 0 &THAT ( IA) eRR (1, IB)? 0. Se (0. 5-2. OeTHAT (IA) ) ee2-0. 125...IMPLEMENTATION ASPECTS OF NONSYNCHRONIZED BINARY RECEIVERS A Thesis by WESLEY MARK WILLS Approved as to style and content by: ostas N. Georghiades (Chair of Committee) Don Halverson (Member) Ohannes Ek an (Member) Thomas Adair, III...

  2. Strong Binary Pulsar Constraints on Lorentz Violation in Gravity

    E-Print Network [OSTI]

    Kent Yagi; Diego Blas; Nicolas Yunes; Enrico Barausse

    2014-04-30

    Binary pulsars are excellent laboratories to test the building blocks of Einstein's theory of General Relativity. One of these is Lorentz symmetry which states that physical phenomena appear the same for all inertially moving observers. We study the effect of violations of Lorentz symmetry in the orbital evolution of binary pulsars and find that it induces a much more rapid decay of the binary's orbital period due to the emission of dipolar radiation. The absence of such behavior in recent observations allows us to place the most stringent constraints on Lorentz violation in gravity, thus verifying one of the cornerstones of Einstein's theory much more accurately than any previous gravitational observation.

  3. Binary Evolution and Neutron Stars in Globular Clusters

    E-Print Network [OSTI]

    Natalia Ivanova; John M. Fregeau; Frederic A. Rasio

    2004-05-20

    We investigate the dynamical formation and evolution of binaries containing neutron stars in dense globular clusters. Our numerical simulations combine a simple Monte Carlo prescription for stellar dynamics, a sophisticated binary population synthesis code, and a small-N-body integrator for computing 3-body and 4-body interactions. Our results suggest that there is no ``retention problem,'' i.e., that, under standard assumptions, globular clusters can retain enough neutron stars to produce the observed numbers of millisecond pulsars. We also identify the dominant evolutionary and dynamical channels through which globular clusters produce their two main types of binary millisecond pulsars

  4. Massive Stars in Interacting Binaries ASP Conference Series, Vol. 367, 2007

    E-Print Network [OSTI]

    Tokovinin, Andrei A.

    , most spec- troscopic binaries discovered during the last decade are cool stars (Pourbaix et al. 2004

  5. The Binary Zoo: The Calculation of Production Rates of Binaries Through 2+1 Encounters in Globular Clusters

    E-Print Network [OSTI]

    M. B. Davies

    1995-07-07

    In studying encounters between binaries and single stars, one is interested in three classes of events: exchanges of stars, hardening of the original binary by a third star, and the production of merged objects. We present a means for computing cross sections for these three outcomes for an arbitrary binary and single star as might be found in the core of a globular cluster. The cross sections for a number of binaries in various stellar populations are then computed. We consider multiple encounters and the ultimate fate of a population of binaries fed into the cores of different globular cluster models. We see that the presence of only a relatively small number of binaries (containing 10\\% of the stars) will boost the production rate of astrophysically-interesting objects by a factor of at least a few over the rates expected from encounters between single stars. In particular, the ratio of smothered neutron stars to low-mass X-ray binaries (LMXBs) may be greatly increased, possibly explaining, in part, the excess of millisecond pulsars compared to LMXBs.

  6. Optimal placement of binary actuators in deformable optical systems

    E-Print Network [OSTI]

    Geykhman, Roman

    2011-01-01

    Recently, exploration has been conducted into the applicability of binary mechatronics to active figure correction in large optical systems such as space telescopes and ground-based solar-thermal concentrators. This Thesis ...

  7. Properties OF M31. V. 298 eclipsing binaries from PAndromeda

    SciTech Connect (OSTI)

    Lee, C.-H.; Koppenhoefer, J.; Seitz, S.; Bender, R.; Riffeser, A.; Kodric, M.; Hopp, U.; Snigula, J.; Gössl, C.; Kudritzki, R.-P.; Burgett, W.; Chambers, K.; Hodapp, K.; Kaiser, N.; Waters, C.

    2014-12-10

    The goal of this work is to conduct a photometric study of eclipsing binaries in M31. We apply a modified box-fitting algorithm to search for eclipsing binary candidates and determine their period. We classify these candidates into detached, semi-detached, and contact systems using the Fourier decomposition method. We cross-match the position of our detached candidates with the photometry from Local Group Survey and select 13 candidates brighter than 20.5 mag in V. The relative physical parameters of these detached candidates are further characterized with the Detached Eclipsing Binary Light curve fitter (DEBiL) by Devor. We will follow up the detached eclipsing binaries spectroscopically and determine the distance to M31.

  8. Fe xxv line profiles in colliding wind binaries

    E-Print Network [OSTI]

    Rauw, Gregor; Naze, Yael

    2015-01-01

    Strong wind-wind collisions in massive binaries generate a very hot plasma that frequently produces a moderately strong iron line. The morphology of this line depends upon the properties of the wind interaction zone and its orientation with respect to the line of sight. As the binary components revolve around their common centre of mass, the line profiles are thus expected to vary. With the advent of the next generation of X-ray observatories (Astro-H, Athena) that will offer high-resolution spectroscopy above 6 keV, it will become possible to exploit these changes as the most sensitive probe of the inner parts of the colliding wind interaction. Using a simple prescription of the wind-wind interaction in an early-type binary, we have generated synthetic line profiles for a number of configurations and orbital phases. These profiles can help constrain the properties of the stellar winds in such binary systems.

  9. Binary Neutron Stars with Arbitrary Spins in Numerical Relativity

    E-Print Network [OSTI]

    Tacik, Nick; Pfeiffer, Harald P; Haas, Roland; Ossokine, Serguei; Kaplan, Jeff; Muhlberger, Curran; Duez, Matt D; Kidder, Lawrence E; Scheel, Mark A; Szilágyi, Béla

    2015-01-01

    We present a code to construct initial data for binary neutron star systems in which the stars are rotating. Our code, based on a formalism developed by Tichy, allows for arbitrary rotation axes of the neutron stars and is able to achieve rotation rates near rotational breakup. We compute the neutron star angular momentum through quasi-local angular momentum integrals. When constructing irrotational binary neutron stars, we find a very small residual dimensionless spin of $\\sim 2\\times 10^{-4}$. Evolutions of rotating neutron star binaries show that the magnitude of the stars' angular momentum is conserved, and that the spin- and orbit-precession of the stars is well described by post-Newtonian approximation. We demonstrate that orbital eccentricity of the binary neutron stars can be controlled to $\\sim 0.1\\%$. The neutron stars show quasi-normal mode oscillations at an amplitude which increases with the rotation rate of the stars.

  10. Binary Neutron Stars with Arbitrary Spins in Numerical Relativity

    E-Print Network [OSTI]

    Nick Tacik; Francois Foucart; Harald P. Pfeiffer; Roland Haas; Serguei Ossokine; Jeff Kaplan; Curran Muhlberger; Matt D. Duez; Lawrence E. Kidder; Mark A. Scheel; Béla Szilágyi

    2015-08-27

    We present a code to construct initial data for binary neutron star systems in which the stars are rotating. Our code, based on a formalism developed by Tichy, allows for arbitrary rotation axes of the neutron stars and is able to achieve rotation rates near rotational breakup. We compute the neutron star angular momentum through quasi-local angular momentum integrals. When constructing irrotational binary neutron stars, we find a very small residual dimensionless spin of $\\sim 2\\times 10^{-4}$. Evolutions of rotating neutron star binaries show that the magnitude of the stars' angular momentum is conserved, and that the spin- and orbit-precession of the stars is well described by post-Newtonian approximation. We demonstrate that orbital eccentricity of the binary neutron stars can be controlled to $\\sim 0.1\\%$. The neutron stars show quasi-normal mode oscillations at an amplitude which increases with the rotation rate of the stars.

  11. Improvements to the construction of binary black hole initial data

    E-Print Network [OSTI]

    Serguei Ossokine; Francois Foucart; Harald P. Pfeiffer; Michael Boyle; Béla Szilágyi

    2015-06-04

    Construction of binary black hole initial data is a prerequisite for numerical evolutions of binary black holes. This paper reports improvements to the binary black hole initial data solver in the Spectral Einstein Code, to allow robust construction of initial data for mass-ratio above 10:1, and for dimensionless black hole spins above 0.9, while improving efficiency for lower mass-ratios and spins. We implement a more flexible domain decomposition, adaptive mesh refinement and an updated method for choosing free parameters. We also introduce a new method to control and eliminate residual linear momentum in initial data for precessing systems, and demonstrate that it eliminates gravitational mode mixing during the evolution. Finally, the new code is applied to construct initial data for hyperbolic scattering and for binaries with very small separation.

  12. Controlling phase separation of binary Bose-Einstein condensates...

    Office of Scientific and Technical Information (OSTI)

    resonance We investigate controlled phase separation of a binary Bose-Einstein condensate in the proximity of a mixed-spin-channel Feshbach resonance in the |F1,msub F+1>...

  13. First Law of Mechanics for Compact Binaries on Eccentric Orbits

    E-Print Network [OSTI]

    Tiec, Alexandre Le

    2015-01-01

    Using the canonical Arnowitt-Deser-Misner Hamiltonian formalism, a "first law of mechanics" is established for binary systems of point masses moving along generic stable bound (eccentric) orbits. This relationship is checked to hold within the post-Newtonian approximation to general relativity, up to third (3PN) order. Several applications are discussed, including the use of gravitational self-force results to inform post-Newtonian theory and the effective one-body model for eccentric-orbit compact binaries.

  14. Manifold corrections on spinning compact binaries

    SciTech Connect (OSTI)

    Zhong Shuangying; Wu Xin [Nanchang University, Nanchang 330031 (China)

    2010-05-15

    This paper deals mainly with a discussion of three new manifold correction methods and three existing ones, which can numerically preserve or correct all integrals in the conservative post-Newtonian Hamiltonian formulation of spinning compact binaries. Two of them are listed here. One is a new momentum-position scaling scheme for complete consistency of both the total energy and the magnitude of the total angular momentum, and the other is the Nacozy's approach with least-squares correction of the four integrals including the total energy and the total angular momentum vector. The post-Newtonian contributions, the spin effects, and the classification of orbits play an important role in the effectiveness of these six manifold corrections. They are all nearly equivalent to correct the integrals at the level of the machine epsilon for the pure Kepler problem. Once the third-order post-Newtonian contributions are added to the pure orbital part, three of these corrections have only minor effects on controlling the errors of these integrals. When the spin effects are also included, the effectiveness of the Nacozy's approach becomes further weakened, and even gets useless for the chaotic case. In all cases tested, the new momentum-position scaling scheme always shows the optimal performance. It requires a little but not much expensive additional computational cost when the spin effects exist and several time-saving techniques are used. As an interesting case, the efficiency of the correction to chaotic eccentric orbits is generally better than one to quasicircular regular orbits. Besides this, the corrected fast Lyapunov indicators and Lyapunov exponents of chaotic eccentric orbits are large as compared with the uncorrected counterparts. The amplification is a true expression of the original dynamical behavior. With the aid of both the manifold correction added to a certain low-order integration algorithm as a fast and high-precision device and the fast Lyapunov indicators of two nearby trajectories, phase space scans for chaos in the spinning compact binary system are given.

  15. Spin alignment and differential accretion in merging black hole binaries

    E-Print Network [OSTI]

    Davide Gerosa; Benedetta Veronesi; Giuseppe Lodato; Giovanni Rosotti

    2015-07-01

    Interactions between a supermassive black hole binary and the surrounding accretion disc can both assist the binary inspiral and align the black hole spins to the disc angular momentum. While binary migration is due to angular-momentum transfer within the circumbinary disc, the spin-alignment process is driven by the mass accreting on to each black hole. Mass transfer between different disc components thus couples the inspiral and the alignment process together. Mass is expected to leak through the cavity cleared by the binary, and preferentially accretes on to the lighter (secondary) black hole which orbits closer to the disc edge. Low accretion rate on to the heavier (primary) black hole slows the alignment process down. We revisit the problem and develop a semi-analytical model to describe the coupling between gas-driven inspiral and spin alignment, finding that binaries with mass ratio qprimaries from aligning. Binary black holes with misaligned primaries are ideal candidates for precession effects in the strong-gravity regime and may suffer from moderately large (~1500 km/s) recoil velocities.

  16. Cool and Luminous Transients from Mass-Losing Binary Stars

    E-Print Network [OSTI]

    Pejcha, Ondrej; Tomida, Kengo

    2015-01-01

    We study transients produced by equatorial disk-like outflows from catastrophically mass-losing binary stars with an asymptotic velocity and energy deposition rate near the inner edge which are proportional to the binary escape velocity v_esc. As a test case, we present the first smoothed-particle radiation-hydrodynamics calculations of the mass loss from the outer Lagrange point with realistic equation of state and opacities. The resulting spiral stream becomes unbound for binary mass ratios 0.06 < q < 0.8. For synchronous binaries with non-degenerate components, the spiral-stream arms merge at a radius of ~10a, where a is the binary semi-major axis, and the accompanying shock thermalizes 10-20% of the kinetic power of the outflow. The mass-losing binary outflows produce luminosities proportional to the mass loss rate and v_esc, reaching up to ~10^6 L_Sun. The effective temperatures depend primarily on v_esc and span 500 < T_eff < 6000 K. Dust readily forms in the outflow, potentially in a catast...

  17. Mesoscale solubilization and critical phenomena in binary and quasi binary solutions of hydrotropes

    E-Print Network [OSTI]

    Andreas E. Robertson; Dung H. Phan; Joseph E. Macaluso; Vladimir N. Kuryakov; Elena V. Jouravleva; Christopher E. Bertrand; Igor K. Yudin; Mikhail A. Anisimov

    2015-03-24

    Hydrotropes are substances consisting of amphiphilic molecules that are too small to self assemble in equilibrium structures in aqueous solutions, but can form dynamic molecular clusters H bonded with water molecules. Some hydrotropes, such as low molecular weight alcohols and amines, can solubilize hydrophobic compounds in aqueous solutions at a mesoscopic scale, around 100 nm, with formation of long lived mesoscale droplets. In this work, we report on the studies of near critical and phase behavior of binary, 2,6-lutidine - H2O, and quasibinary, 2,6-lutidine - H2O - D2O, and tert-butanol - 2-butanol - H2O solutions in the presence of a solubilized hydrophobic impurity, cyclohexane. In additional to visual observation of fluid phase equilibria, two experimental techniques were used - light scattering and small - angle neutron scattering. It was found that the increase of the tert-butanol to 2-butanol ratio affects the liquid - liquid equilibria in the quasi-binary system at ambient pressure in the same way as the increase of pressure modifies the phase behavior of binary 2-butanol - H2O solutions. The correlation length of critical fluctuations near the liquid-liquid separation and the size of mesoscale droplets of solubilized cyclohexane were obtained by dynamic light scattering and by small - angle neutron scattering. It is shown that the effect of the presence of small amounts of cyclohexane on the near - critical phase behavior is twofold - the transition temperature changes towards increasing the two-phase domain, and long-lived mesoscopic inhomogeneities emerge in the macroscopically homogeneous domain. These homogeneities remain unchanged upon approach to the critical point of macroscopic phase separation and do not alter the universal nature of criticality. However, a larger amount of cyclohexane generates additional liquid-liquid phase separation at lower temperatures.

  18. VLA multifrequency observations of RS CVn binaries

    E-Print Network [OSTI]

    J. Garcia-Sanchez; J. M. Paredes; M. Ribo

    2003-03-21

    We present multiepoch Very Large Array (VLA) observations at 1.4 GHz, 4.9 GHz, 8.5 GHz and 14.9 GHz for a sample of eight RS CVn binary systems. Circular polarization measurements of these systems are also reported. Most of the fluxes observed are consistent with incoherent emission from mildly relativistic electrons. Several systems show an increase of the degree of circular polarization with increasing frequency in the optically thin regime, in conflict with predictions by gyrosynchrotron models. We observed a reversal in the sense of circular polarization with increasing frequency in three non-eclipsing systems: EI Eri, DM Uma and HD 8358. We find clear evidence for coherent plasma emission at 1.4 GHz in the quiescent spectrum of HD 8358 during the helicity reversal. The degrees of polarization of the other two systems could also be accounted for by a coherent emission process. The observations of ER Vul revealed two U-shaped flux spectra at the highest frequencies. The U-shape of the spectra may be accounted for by an optically thin gyrosynchrotron source for the low frequency part whereas the high frequency part is dominated by a thermal emission component.

  19. Anisotropic mass ejection in binary mergers

    E-Print Network [OSTI]

    T. Morris; Ph. Podsiadlowski

    2006-01-10

    We investigate the mass loss from a rotationally distorted envelope following the early, rapid in-spiral of a companion star inside a common envelope. For initially wide, massive binaries (M_1+M_2=20M_{\\odot}, P\\sim 10 yr), the primary has a convective envelope at the onset of mass transfer and is able to store much of the available orbital angular momentum in its expanded envelope. Three-dimensional smoothed particle hydrodynamics calculations show that mass loss is enhanced at mid-latitudes due to shock reflection from a torus-shaped outer envelope. Mass ejection in the equatorial plane is completely suppressed if the shock wave is too weak to penetrate the outer envelope in the equatorial direction (typically when the energy deposited in the star is less than about one-third of the binding energy of the envelope). We present a parameter study to show how the geometry of the ejecta depends on the angular momentum and the energy deposited in the envelope during a merging event. Applications to the nearly axisymmetric, but very non-spherical nebulae around SN1987A and Sheridan 25 are discussed, as well as possible links to RY Scuti and the Small Magellanic Cloud object R4.

  20. Phase Transformations in Binary Colloidal Monolayers

    E-Print Network [OSTI]

    Ye Yang; Lin Fu; Catherine Marcoux; Joshua E. S. Socolar; Patrick Charbonneau; Benjamin B. Yellen

    2015-02-10

    Phase transformations can be difficult to characterize at the microscopic level due to the inability to directly observe individual atomic motions. Model colloidal systems, by contrast, permit the direct observation of individual particle dynamics and of collective rearrangements, which allows for real-space characterization of phase transitions. Here, we study a quasi-two-dimensional, binary colloidal alloy that exhibits liquid-solid and solid-solid phase transitions, focusing on the kinetics of a diffusionless transformation between two crystal phases. Experiments are conducted on a monolayer of magnetic and nonmagnetic spheres suspended in a thin layer of ferrofluid and exposed to a tunable magnetic field. A theoretical model of hard spheres with point dipoles at their centers is used to guide the choice of experimental parameters and characterize the underlying materials physics. When the applied field is normal to the fluid layer, a checkerboard crystal forms; when the angle between the field and the normal is sufficiently large, a striped crystal assembles. As the field is slowly tilted away from the normal, we find that the transformation pathway between the two phases depends strongly on crystal orientation, field strength, and degree of confinement of the monolayer. In some cases, the pathway occurs by smooth magnetostrictive shear, while in others it involves the sudden formation of martensitic plates.

  1. Luc Bouganim, Tatiana Chan-Sine-Ying, Tuyet-Tram Dang-Ngoc, Jean-Luc Darroux, Georges Gardarin, Fei Sha

    E-Print Network [OSTI]

    Bouganim, Luc

    for mediation, based on Oracle 8 and a semistructured cartridge developed in the project for supporting XML of a Java cartridge to support semistructured objects. To query semistructured objects, two solutions

  2. Silberschatz, Galvin and Gagne 2007Operating System Concepts with Java 7th Edition, Nov 15, 2006 Chapter 16: Distributed System Structures

    E-Print Network [OSTI]

    Bezrukov, Sergei

    Silberschatz, Galvin and Gagne ©2007Operating System Concepts with Java ­ 7th Edition, Nov 15, 2006 Chapter 16: Distributed System Structures #12;16.2 Silberschatz, Galvin and Gagne ©2007Operating System of Distributed Operating Systems Network Structure Network Topology Communication Structure Communication

  3. Proc. of the ACM Conf. on OO Programming, Systems, Languages, and Applications (OOPSLA'01), ACM Copyright. Regression Test Selection for Java Software

    E-Print Network [OSTI]

    Orso, Alessandro "Alex"

    Copyright. Regression Test Selection for Java Software Mary Jean Harrold harrold@cc.gatech.edu James A of the software--this process is called regression test selection. A safe regression- test-selection algorithm selects every test case in the test suite that may reveal a fault in the modified software. Safe

  4. MAC 5765 -Sistemas de Middleware Avancados -Segundo Semestre de 2002 Segundo Exercicio-Programa: Invocador Java/IIOP para o JBoss

    E-Print Network [OSTI]

    Reverbel, Francisco

    standard, isto ´e, FooInvoker especifica sua interface de gerenciamento implemen- tando uma interface Java cujo nome ´e FooInvokerMBean. · Cada invocador ´e espec´ifico para um certo protocolo (JRMPInvoker, HTTPInvoker, . . . ) e permite que clientes remotos utilizem esse protocolo para acessar uma interface de

  5. Gravitational waveforms for neutron star binaries from binary black hole simulations

    E-Print Network [OSTI]

    Kevin Barkett; Mark A. Scheel; Roland Haas; Christian D. Ott; Sebastiano Bernuzzi; Duncan A. Brown; Béla Szilágyi; Jeffrey D. Kaplan; Jonas Lippuner; Curran D. Muhlberger; Francois Foucart; Matthew D. Duez

    2015-09-22

    Gravitational waves from binary neutron star (BNS) and black-hole/neutron star (BHNS) inspirals are primary sources for detection by the Advanced Laser Interferometer Gravitational-Wave Observatory. The tidal forces acting on the neutron stars induce changes in the phase evolution of the gravitational waveform, and these changes can be used to constrain the nuclear equation of state. Current methods of generating BNS and BHNS waveforms rely on either computationally challenging full 3D hydrodynamical simulations or approximate analytic solutions. We introduce a new method for computing inspiral waveforms for BNS/BHNS systems by adding the post-Newtonian (PN) tidal effects to full numerical simulations of binary black holes (BBHs), effectively replacing the non-tidal terms in the PN expansion with BBH results. Comparing a waveform generated with this method against a full hydrodynamical simulation of a BNS inspiral yields a phase difference of $<1$ radian over $\\sim 15$ orbits. The numerical phase accuracy required of BNS simulations to measure the accuracy of the method we present here is estimated as a function of the tidal deformability parameter ${\\lambda}$.

  6. Gamma-ray emission from binaries in context

    E-Print Network [OSTI]

    Dubus, Guillaume

    2015-01-01

    More than a dozen binary systems are now established as sources of variable, high energy (HE, 0.1-100 GeV) gamma rays. Five are also established sources of very high energy (VHE, >100 GeV) gamma rays. The mechanisms behind gamma-ray emission in binaries are very diverse. My current understanding is that they divide up into four types of systems: gamma-ray binaries, powered by pulsar rotation; microquasars, powered by accretion onto a black hole or neutron star; novae, powered by thermonuclear runaway on a white dwarf; colliding wind binaries, powered by stellar winds from massive stars. Some of these types had long been suspected to emit gamma rays (microquasars), others have taken the community by surprise (novae). My purpose here is to provide a brief review of the current status of gamma-ray emission from binaries, in the context of related objects where similar mechanisms are at work (pulsar wind nebulae, active galactic nuclei, supernova remnants).

  7. The DWARF project: Eclipsing binaries - precise clocks to discover exoplanets

    E-Print Network [OSTI]

    Pribulla, T; von Eiff, M Ammler -; Andreev, M; Aslantürk, A; Awadalla, N; Balu?anský, D; Bonanno, A; Boži?, H; Catanzaro, G; Çelik, L; Christopoulou, P E; Covino, E; Cusano, F; Dimitrov, D; Dubovský, P; Esmer, E M; Frasca, A; Hambálek, ?; Hanna, M; Hanslmeier, A; Kalomeni, B; Kjurkchieva, D P; Krushevska, V; Kudzej, I; Kundra, E; Kuznyetsova, Yu; Lee, J W; Leitzinger, M; Maciejewski, G; Moldovan, D; Morais, M H M; Mugrauer, M; Neuhäuser, R; Niedzielski, A; Odert, P; Ohlert, J; Özavc?, ?; Papageorgiou, A; Parimucha, Š; Poddaný, S; Pop, A; Raetz, M; Raetz, S; Romanyuk, Ya; Ruždjak, D; Schulz, J; ?enavc?, H V; Szalai, T; Székely, P; Sudar, D; Tezcan, C T; Törün, M E; Turcu, V; Vince, O; Zejda, M

    2012-01-01

    We present a new observational campaign, DWARF, aimed at detection of circumbinary extrasolar planets using the timing of the minima of low-mass eclipsing binaries. The observations will be performed within an extensive network of relatively small to medium-size telescopes with apertures of ~20-200 cm. The starting sample of the objects to be monitored contains (i) low-mass eclipsing binaries with M and K components, (ii) short-period binaries with sdB or sdO component, and (iii) post-common-envelope systems containing a WD, which enable to determine minima with high precision. Since the amplitude of the timing signal increases with the orbital period of an invisible third component, the timescale of project is long, at least 5-10 years. The paper gives simple formulas to estimate suitability of individual eclipsing binaries for the circumbinary planet detection. Intrinsic variability of the binaries (photospheric spots, flares, pulsation etc.) limiting the accuracy of the minima timing is also discussed. The...

  8. Formation of the wide asynchronous binary asteroid population

    SciTech Connect (OSTI)

    Jacobson, Seth A. [Department of Astrophysical and Planetary Science, UCB 391, University of Colorado, Boulder, CO 80309 (United States); Scheeres, Daniel J.; McMahon, Jay [Department of Aerospace Engineering Sciences, UCB 429, University of Colorado, Boulder, CO 80309 (United States)

    2014-01-01

    We propose and analyze a new mechanism for the formation of the wide asynchronous binary population. These binary asteroids have wide semimajor axes relative to most near-Earth and main belt asteroid systems. Confirmed members have rapidly rotating primaries and satellites that are not tidally locked. Previously suggested formation mechanisms from impact ejecta, from planetary flybys, and directly from rotational fission events cannot satisfy all of the observations. The newly hypothesized mechanism works as follows: (1) these systems are formed from rotational fission, (2) their satellites are tidally locked, (3) their orbits are expanded by the binary Yarkovsky-O'Keefe-Radzievskii-Paddack (BYORP) effect, (4) their satellites desynchronize as a result of the adiabatic invariance between the libration of the secondary and the mutual orbit, and (5) the secondary avoids resynchronization because of the YORP effect. This seemingly complex chain of events is a natural pathway for binaries with satellites that have particular shapes, which define the BYORP effect torque that acts on the system. After detailing the theory, we analyze each of the wide asynchronous binary members and candidates to assess their most likely formation mechanism. Finally, we suggest possible future observations to check and constrain our hypothesis.

  9. Exploring JavaScript and ROOT technologies to create Web-based ATLAS analysis and monitoring tools

    E-Print Network [OSTI]

    Sanchez, Arturo; The ATLAS collaboration

    2015-01-01

    We explore the potentialities of current web applications to create online interfaces that allow the visualization, interaction and real physics cut-based analysis and monitoring of processes trough a web browser. The project consists in the initial development of web-based and cloud computing services to allow students and researches to perform fast and very useful cut-based analysis on a browser, reading and using real data and official Monte-Carlo simulations stored in ATLAS computing facilities. Several tools are considered: ROOT, JavaScript and HTML. Our study case is the current cut-based H->ZZ->llqq analysis of the ATLAS experiment. Preliminary but satisfactory results have been obtained online; this presentation describes the tests and plans and future upgrades.

  10. Exploring JavaScript and ROOT technologies to create Web-based ATLAS analysis and monitoring tools

    E-Print Network [OSTI]

    Sanchez, Arturo; The ATLAS collaboration

    2015-01-01

    We explore the potentialities of current web applications to create online interfaces that allow the visualization, interaction and real physics cut-based analysis and monitoring of processes trough a web browser. The project consists in the initial development of web-based and cloud computing services to allow students and researches to perform fast and very useful cut-based analysis on a browser, reading and using real data and official Monte-Carlo simulations stored in ATLAS computing facilities. Several tools are considered: ROOT, JavaScript and HTML. Our study case is the current cut-based $H \\rightarrow ZZ \\rightarrow llqq$ analysis of the ATLAS experiment. Preliminary but satisfactory results have been obtained online.

  11. The Ratio of Retrograde to Prograde Orbits: A Test for Kuiper Belt Binary Formation Theories

    E-Print Network [OSTI]

    Hilke E. Schlichting; Re'em Sari

    2008-07-03

    With the discovery of Kuiper Belt binaries that have wide separations and roughly equal masses new theories were proposed to explain their formation. Two formation scenarios were suggested by Goldreich and collaborators: In the first, dynamical friction that is generated by a sea of small bodies enables a transient binary to become bound ($L^2s$ mechanism); in the second, a transient binary gets bound by an encounter with a third body ($L^3$ mechanism). We show that these different binary formation scenarios leave their own unique signatures in the relative abundance of prograde to retrograde binary orbits. This signature is due to stable retrograde orbits that exist much further out in the Hill sphere than prograde orbits. It provides an excellent opportunity to distinguish between the different binary formation scenarios observationally. We predict that if binary formation proceeded while sub-Hill velocities prevailed, the vast majority of all comparable mass ratio binaries have retrograde orbits. This dominance of retrograde binary orbits is a result of binary formation via the $L^2s$ mechanism, or any other mechanism that dissipates energy in a smooth and gradual manner. For super-Hill velocities binary formation proceeds via the $L^3$ mechanism which produces a roughly equal number of prograde and retrograde binaries. These predictions assume that subsequent orbital evolution due to dynamical friction and dynamical stirring of the Kuiper belt did not alter the sense of the binary orbit after formation.

  12. Exploring Particle Acceleration in Gamma-Ray Binaries

    E-Print Network [OSTI]

    Bosch-Ramon, V

    2011-01-01

    Binary systems can be powerful sources of non-thermal emission from radio to gamma rays. When the latter are detected, then these objects are known as gamma-ray binaries. In this work, we explore, in the context of gamma-ray binaries, different acceleration processes to estimate their efficiency: Fermi I, Fermi II, shear acceleration, the converter mechanism, and magnetic reconnection. We find that Fermi I acceleration in a mildly relativistic shock can provide, although marginally, the multi-10 TeV particles required to explain observations. Shear acceleration may be a complementary mechanism, giving particles the final boost to reach such a high energies. Fermi II acceleration may be too slow to account for the observed very high energy photons, but may be suitable to explain extended low-energy emission. The converter mechanism seems to require rather high Lorentz factors but cannot be discarded a priori. Standard relativistic shock acceleration requires a highly turbulent, weakly magnetized downstream med...

  13. The Formation of the Wide Asynchronous Binary Asteroid Population

    E-Print Network [OSTI]

    Jacobson, Seth A; McMahon, Jay

    2013-01-01

    We propose and analyze a new mechanism for the formation of the wide asynchronous binary population. These binary asteroids have wide semi-major axes relative to most near-Earth and Main Belt asteroid systems. Confirmed members have rapidly rotating primaries and satellites that are not tidally locked. Previously suggested formation mechanisms from impact ejecta, planetary flybys and directly from rotational fission events cannot satisfy all of the observations. The newly hypothesized mechanism works as follows: (i) these systems are formed from rotational fission, (ii) their satellites are tidally locked, (iii) their orbits are expanded by the BYORP effect, (iv) their satellites de-synchronize due to the adiabatic invariance between the libration of the secondary and the mutual orbit, and (v) the secondary avoids resynchronization due to the the YORP effect. This seemingly complex chain of events is a natural pathway for binaries with satellites that have particular shapes, which define the BYORP effect torq...

  14. Three-dimensional modeling of radiative disks in binaries

    E-Print Network [OSTI]

    Picogna, Giovanni

    2013-01-01

    Circumstellar disks in binaries are perturbed by the companion gravity causing significant alterations of the disk morphology. Spiral waves due to the companion tidal force also develop in the vertical direction and affect the disk temperature profile. These effects may significantly influence the process of planet formation. We perform 3D numerical simulations of disks in binaries with different initial dynamical configurations and physical parameters. Our goal is to investigate their evolution and their propensity to grow planets. We use an improved version of the SPH code VINE modified to better account for momentum and energy conservation. The energy equation includes a flux--limited radiative transfer algorithm and the disk cooling is obtained via "boundary particles". We model a system made of star/disk + star/disk where the secondary star (and relative disk) is less massive than the primary. The numerical simulations performed for different values of binary separation and disk density show that the dis...

  15. Determining the Porosity and Saturated Hydraulic Conductivity of Binary Mixtures

    SciTech Connect (OSTI)

    Zhang, Z. F.; Ward, Anderson L.; Keller, Jason M.

    2009-09-27

    Gravels and coarse sands make up significant portions of some environmentally important sediments, while the hydraulic properties of the sediments are typically obtained in the laboratory using only the fine fraction (e.g., <2 mm or 4.75 mm). Researchers have found that the content of gravel has significant impacts on the hydraulic properties of the bulk soils. Laboratory experiments were conducted to measure the porosity and the saturated hydraulic conductivity of binary mixtures with different fractions of coarse and fine components. We proposed a mixing-coefficient model to estimate the porosity and a power-averaging method to determine the effective particle diameter and further to predict the saturated hydraulic conductivity of binary mixtures. The proposed methods could well estimate the porosity and saturated hydraulic conductivity of the binary mixtures for the full range of gravel contents and was successfully applied to two data sets in the literature.

  16. Resolving subdwarf B stars in binaries by HST imaging

    E-Print Network [OSTI]

    U. Heber; S. Moehler; R. Napiwotzki; P. Thejll; E. M. Green

    2002-01-07

    The origin of subluminous B stars is still an unsolved problem in stellar evolution. Single star as well as close binary evolution scenarios have been invoked but until now have met with little success. We have carried out a small survey of spectroscopic binary candidates (19 systems consisting of an sdB star and late type companion) with the Planetary Camera of the WFPC2 onboard Hubble Space Telescope to test these scenarios. Monte Carlo simulations indicate that by imaging the programme stars in the R-band about one third of the sample (6-7 stars) should be resolved at a limiting angular resolution of 0.1" if they have linear separations like main sequence stars ("single star evolution"). None should be resolvable if all systems were produced by close binary evolution. In addition we expect three triple systems to be present in our sample. Most of these, if not all, should be resolvable. Components were resolved in 6 systems with separations between 0.2" and 4.5". However, only in two systems do the magnitudes of the resolved components match the expectations from the deconvolution of the spectral energy distribution. These two stars could be physical binaries whereas in the other cases the nearby star may be a chance projection or a third component. Radial velocity measurements indicate that the resolved system TON 139 is a triple system, with the sdB having a close companion that does not contribute detectably to the integrated light of the system. Accordingly the success rate would be only 5% which is clearly below the prediction for single star evolution. We conclude that the distribution of separations of sdB binaries deviates strongly from that of normal stars. Our results add further evidence that close binary evolution is fundamental for the evolution of sdB stars. (abbreviated)

  17. COMPACT BINARY PROGENITORS OF SHORT GAMMA-RAY BURSTS

    SciTech Connect (OSTI)

    Giacomazzo, Bruno [JILA, University of Colorado and National Institute of Standards and Technology, Boulder, CO 80309 (United States); Perna, Rosalba [JILA and Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309 (United States); Rezzolla, Luciano [Max-Planck-Institut fuer Gravitationsphysik, Albert-Einstein-Institut, Potsdam D-14476 (Germany); Troja, Eleonora [NASA Goddard Space Flight Center, Greenbelt, MD 20771 (United States); Lazzati, Davide [Department of Physics, NC State University, 2401 Stinson Drive, Raleigh, NC 27695-8202 (United States)

    2013-01-10

    In recent years, detailed observations and accurate numerical simulations have provided support to the idea that mergers of compact binaries containing either two neutron stars (NSs) or an NS and a black hole (BH) may constitute the central engine of short gamma-ray bursts (SGRBs). The merger of such compact binaries is expected to lead to the production of a spinning BH surrounded by an accreting torus. Several mechanisms can extract energy from this system and power the SGRBs. Here we connect observations and numerical simulations of compact binary mergers, and use the current sample of SGRBs with measured energies to constrain the mass of their powering tori. By comparing the masses of the tori with the results of fully general-relativistic simulations, we are able to infer the properties of the binary progenitors that yield SGRBs. By assuming a constant efficiency in converting torus mass into jet energy, {epsilon}{sub jet} = 10%, we find that most of the tori have masses smaller than 0.01 M{sub Sun }, favoring 'high-mass' binary NSs mergers, i.e., binaries with total masses {approx}> 1.5 the maximum mass of an isolated NS. This has important consequences for the gravitational wave signals that may be detected in association with SGRBs, since 'high-mass' systems do not form a long-lived hypermassive NS after the merger. While NS-BH systems cannot be excluded to be the engine of at least some of the SGRBs, the BH would need to have an initial spin of {approx}0.9 or higher.

  18. Gravitational-wave emission from compact Galactic binaries

    E-Print Network [OSTI]

    Samaya Nissanke; Michele Vallisneri; Gijs Nelemans; Thomas A. Prince

    2012-10-09

    Compact Galactic binaries where at least one member is a white dwarf or neutron star constitute the majority of individually detectable sources for future low-frequency space-based gravitational-wave (GW) observatories; they also form an unresolved continuum, the dominant Galactic foreground at frequencies below a few mHz. Due to the paucity of electromagnetic observations, the majority of studies of Galactic-binary populations so far have been based on population-synthesis simulations. However, recent surveys have reported several new detections of white-dwarf binaries, providing new constraints for population estimates. In this article, we evaluate the impact of revised local densities of interacting white-dwarf binaries on future GW observations. Specifically: we consider five scenarios that explain these densities with different assumptions on the formation of interacting systems; we simulate corresponding populations of detached and interacting white-dwarf binaries; we estimate the number of individually detectable GW sources and the magnitude of the confusion-noise foreground, as observed by space-based detectors with 5- and 1-Mkm arms. We confirm earlier estimates of thousands of detached-binary detections, but project only few ten to few hundred detections of interacting systems. This reduction is partly due to our assessment of detection prospects, based on the iterative identification and subtraction of bright sources with respect to both instrument and confusion noise. We also confirm earlier estimates for the confusion-noise foreground, except in one scenario that explains smaller local densities of interacting systems with smaller numbers of progenitor detached systems.

  19. Estimation of the error for small-sample optimal binary filter design using prior knowledge 

    E-Print Network [OSTI]

    Sabbagh, David L

    1999-01-01

    Optimal binary filters estimate an unobserved ideal quantity from observed quantities. Optimality is with respect to some error criterion, which is usually mean absolute error MAE (or equivalently mean square error) for the binary values. Both...

  20. Radar Imaging and Characterization of Binary Near-Earth Asteroid (185851) 2000 DP107

    E-Print Network [OSTI]

    2015-01-01

    modeling of triple near-Earth Asteroid (136617) 1994 CC.CHARACTERIZATION OF BINARY NEAR-EARTH ASTEROID (185851) 2000of Contact Binary Near-Earth Asteroids. In AAS/Division for

  1. Radio emission from Colliding-Wind Binaries: Observations and Models

    E-Print Network [OSTI]

    S. M. Dougherty; J. M. Pittard; E. P. O'Connor

    2005-10-18

    We have developed radiative transfer models of the radio emission from colliding-wind binaries (CWB) based on a hydrodynamical treatment of the wind-collision region (WCR). The archetype of CWB systems is the 7.9-yr period binary WR140, which exhibits dramatic variations at radio wavelengths. High-resolution radio observations of WR140 permit a determination of several system parameters, particularly orbit inclination and distance, that are essential for any models of this system. A model fit to data at orbital phase 0.9 is shown, and some short comings of our model described.

  2. Efficient, Sensitivity Resistant Binary Instrumentation Andrew R. Bernat, Kevin Roundy, and Barton P. Miller

    E-Print Network [OSTI]

    Miller, Barton P.

    is frequently the only available form of a given program. Even in other domains, binary instrumentation mayEfficient, Sensitivity Resistant Binary Instrumentation Andrew R. Bernat, Kevin Roundy, and Barton,roundy,bart}@cs.wisc.edu ABSTRACT Binary instrumentation allows users to inject new code into programs without requiring source code

  3. Clustering of Binary Colloidal Suspensions: Experiment MEHRDAD YASREBI, WAN Y. SHIH, AND ILHAN A. AKSAY

    E-Print Network [OSTI]

    Aksay, Ilhan A.

    ; accepted August 24, 1990 The stability of binary colloidal suspensions is examined and comparedClustering of Binary Colloidal Suspensions: Experiment MEHRDAD YASREBI, WAN Y. SHIH, AND ILHAN A to particle-polymer systems, we have observed that in binary colloidal suspensions, particles of the first

  4. THE PHASES DIFFERENTIAL ASTROMETRY DATA ARCHIVE. II. UPDATED BINARY STAR ORBITS AND A LONG PERIOD ECLIPSING BINARY

    SciTech Connect (OSTI)

    Muterspaugh, Matthew W.; O'Connell, J.; Hartkopf, William I.; Lane, Benjamin F.; Williamson, M.; Kulkarni, S. R.; Konacki, Maciej; Burke, Bernard F.; Colavita, M. M.; Shao, M.; Wiktorowicz, Sloane J. E-mail: wih@usno.navy.mi E-mail: maciej@ncac.torun.p

    2010-12-15

    Differential astrometry measurements from the Palomar High-precision Astrometric Search for Exoplanet Systems have been combined with lower precision single-aperture measurements covering a much longer timespan (from eyepiece measurements, speckle interferometry, and adaptive optics) to determine improved visual orbits for 20 binary stars. In some cases, radial velocity observations exist to constrain the full three-dimensional orbit and determine component masses. The visual orbit of one of these binaries-{alpha} Com (HD 114378)-shows that the system is likely to have eclipses, despite its very long period of 26 years. The next eclipse is predicted to be within a week of 2015 January 24.

  5. Characterization of some binary words with few squares Golnaz Badkobeha

    E-Print Network [OSTI]

    Ochem, Pascal

    Characterization of some binary words with few squares Golnaz Badkobeha , Pascal Ochemb a smaller morphisms to define these two square-free morphic words and we give such characterizations for six of patterns, and a finite set F of factors over k, we say that P F characterizes a morphic word w over k if w

  6. Landscape statistics of the low autocorrelated binary string problem

    E-Print Network [OSTI]

    Stadler, Peter F.

    , NM 87501, USA Abstract. The statistical properties of the energy landscape of the low autocorrelated]. In this contribution we carry out a thorough investigation of the statistical properties of the energy landscapeLandscape statistics of the low autocorrelated binary string problem Fernando F. Ferreira a , Jos

  7. Landscape statistics of the low autocorrelated binary string problem

    E-Print Network [OSTI]

    Stadler, Peter F.

    , NM 87501, USA Abstract. The statistical properties of the energy landscape of the low autocorrelated]. In this contribution we carry out a thorough investigation of the statistical properties of the energy landscapeLandscape statistics of the low autocorrelated binary string problem Fernando F. Ferreiraa , Jos

  8. Binary Energy Harvesting Channel with Finite Energy Storage

    E-Print Network [OSTI]

    Ulukus, Sennur

    Binary Energy Harvesting Channel with Finite Energy Storage Kaya Tutuncuoglu1 , Omur Ozel2 , Aylin can be viewed as an energy queue where energy arrives as a stochastic process over time; for tractability, we assume an i.i.d. energy arrival process. The codebook used to transmit messages acts

  9. Dynamical mass ejection from black hole-neutron star binaries

    E-Print Network [OSTI]

    Koutarou Kyutoku; Kunihito Ioka; Hirotada Okawa; Masaru Shibata; Keisuke Taniguchi

    2015-08-19

    We investigate properties of material ejected dynamically in the merger of black hole-neutron star binaries by numerical-relativity simulations. We systematically study the dependence of ejecta properties on the mass ratio of the binary, spin of the black hole, and equation of state of the neutron-star matter. Dynamical mass ejection is driven primarily by tidal torque, and the ejecta is much more anisotropic than that from binary neutron star mergers. In particular, the dynamical ejecta is concentrated around the orbital plane with a half opening angle of 10--20deg and often sweeps out only a half of the plane. The ejecta mass can be as large as ~0.1M_sun, and the velocity is subrelativistic with ~0.2--0.3c for typical cases. The ratio of the ejecta mass to the bound mass (disk and fallback components) is larger, and the ejecta velocity is larger, for larger values of the binary mass ratio, i.e., for larger values of the black-hole mass. The remnant black hole-disk system receives a kick velocity of O(100)km/s due to the ejecta linear momentum, and this easily dominates the kick velocity due to gravitational radiation. Structures of postmerger material, velocity distribution of the dynamical ejecta, fallback rates, and gravitational waves are also investigated. We also discuss the effect of ejecta anisotropy on electromagnetic counterparts, specifically a macronova/kilonova and synchrotron radio emission, developing analytic models.

  10. Coal liquefaction process using pretreatment with a binary solvent mixture

    DOE Patents [OSTI]

    Miller, Robert N. (Allentown, PA)

    1986-01-01

    An improved process for thermal solvent refining or hydroliquefaction of non-anthracitic coal at elevated temperatures under hydrogen pressure in a hydrogen donor solvent comprises pretreating the coal with a binary mixture of an aromatic hydrocarbon and an aliphatic alcohol at a temperature below 300.degree. C. before the hydroliquefaction step. This treatment generally increases both conversion of coal and yields of oil.

  11. Fixpoint alternation: arithmetic, transition systems, and the binary tree

    E-Print Network [OSTI]

    Bradfield, Julian

    Fixpoint alternation: arithmetic, transition systems, and the binary tree J. C. Brad#12;eld LFCS, 1 for ex- pressing temporal properties of systems. It was #12;rst studied by Dexter Kozen in [Koz83 of the logic that gives it both its simplicity and its power is that it is possible to have mutually dependent

  12. Binary and recycled pulsars: 30 years after observational discovery

    E-Print Network [OSTI]

    G S Bisnovatyi-Kogan

    2006-11-13

    Binary radio pulsars, first discovered by Hulse and Taylor in 1974 [1], are a unique tool for experimentally testing general relativity (GR), whose validity has been confirmed with a precision unavailable in laboratory experiments. In particular, indirect evidence of the existence of gravitational waves has been obtained. Radio pulsars in binary systems (which have come to be known as recycled) have completed the accretion stage, during which neutron star spins reach millisecond periods and their magnetic fields decay 2 to 4 orders of magnitude more weakly than ordinary radio pulsars. Among about a hundred known recycled pulsars, many have turned out to be single neutron stars. The high concentration of single recycled pulsars in globular clusters suggests that close stellar encounters are highly instrumental in the loss of the companion. A system of one recycled pulsar and one 'normal' one discovered in 2004 is the most compact among binaries containing recycled pulsars [2]. Together with the presence of two pulsars in one system, this suggests new prospects for further essential improvements in testing GR. This paper considers theoretical predictions of binary pulsars, their evolutionary formation, and mechanisms by which their companions may be lost. The use of recycled pulsars in testing GR is discussed and their possible relation to the most intriguing objects in the universe, cosmic gamma-ray bursts, is examined.

  13. A detection pipeline for galactic binaries in LISA data

    E-Print Network [OSTI]

    Tyson B. Littenberg

    2011-06-30

    The Galaxy is suspected to contain hundreds of millions of binary white dwarf systems, a large fraction of which will have sufficiently small orbital period to emit gravitational radiation in band for space-based gravitational wave detectors such as the Laser Interferometer Space Antenna (LISA). LISA's main science goal is the detection of cosmological events (supermassive black hole mergers, etc.) however the gravitational signal from the galaxy will be the dominant contribution to the data -- including instrumental noise -- over approximately two decades in frequency. The catalogue of detectable binary systems will serve as an unparalleled means of studying the Galaxy. Furthermore, to maximize the scientific return from the mission, the data must be "cleansed" of the galactic foreground. We will present an algorithm that can accurately resolve and subtract >10000 of these sources from simulated data supplied by the Mock LISA Data Challenge Task Force. Using the time evolution of the gravitational wave frequency, we will reconstruct the position of the recovered binaries and show how LISA will sample the entire compact binary population in the Galaxy.

  14. Improved Capacity Bounds for the Binary Energy Harvesting Channel

    E-Print Network [OSTI]

    Yener, Aylin

    Improved Capacity Bounds for the Binary Energy Harvesting Channel Kaya Tutuncuoglu1 , Omur Ozel2 the encoder has unit energy storage capacity. We first show that an encoding scheme based on block indexing/channel use. The capacity of additive white Gaussian noise (AWGN) energy harvesting channel was studied in [2

  15. First-post-Newtonian quadrupole tidal interactions in binary systems

    E-Print Network [OSTI]

    Justin Vines; Éanna É. Flanagan

    2014-10-09

    We consider tidal coupling in a binary stellar system to first-post-Newtonian order. We derive the orbital equations of motion for bodies with spins and mass quadrupole moments and show that they conserve the total linear momentum of the binary. We note that spin-orbit coupling must be included in a 1PN treatment of tidal interactions in order to maintain consistency (except in the special case of adiabatically induced quadrupoles); inclusion of 1PN quadrupolar tidal effects while omitting spin effects would lead to a failure of momentum conservation for generic evolution of the quadrupoles. We use momentum conservation to specialize our analysis to the system's center-of-mass-energy frame; we find the binary's relative equation of motion in this frame and also present a generalized Lagrangian from which it can be derived. We then specialize to the case in which the quadrupole moment is adiabatically induced by the tidal field (in which case it is consistent to ignore spin effects). We show how the adiabatic dynamics for the quadrupole can be incorporated into our action principle and present the simplified orbital equations of motion and conserved energy for the adiabatic case. These results are relevant to gravitational wave signals from inspiralling binary neutron stars.

  16. Every interacting double white dwarf binary may merge

    E-Print Network [OSTI]

    Shen, Ken J

    2015-01-01

    Interacting double white dwarf binaries can give rise to a wide variety of astrophysical outcomes ranging from faint thermonuclear and Type Ia supernovae to the formation of neutron stars and stably accreting AM Canum Venaticorum systems. One key factor affecting the final outcome is whether mass transfer remains dynamically stable or instead diverges, leading to the tidal disruption of the donor and the merger of the binary. It is typically thought that for low ratios of the donor mass to the accretor mass, mass transfer remains stable, especially if accretion occurs via a disk. In this Letter, we examine disk-accreting binaries with extremely low mass ratios and find that the initial phase of hydrogen-rich mass transfer leads to a classical nova-like outburst on the accretor. Dynamical friction within the expanding nova shell shrinks the orbit and causes the mass transfer rate to increase dramatically above the accretor's Eddington limit, resulting in a binary merger. While further calculations are necessar...

  17. Performance Evaluation of Binary Negative-Exponential Backoff Algorithm

    E-Print Network [OSTI]

    Lee, Tae-Jin

    resolve collisions, DCF uses binary exponen- tial backoff (BEB) algorithm with three parameters, i with BEB wastes wireless resource when there are many contending stations. Therefore, in this pa- per, we of a frame without retransmissions. We also compare the performance of DCF with BEB to that with BNEB. From

  18. BINARY STAR ORBITS. IV. ORBITS OF 18 SOUTHERN INTERFEROMETRIC PAIRS

    SciTech Connect (OSTI)

    Mason, Brian D.; Hartkopf, William I.; Tokovinin, Andrei E-mail: wih@usno.navy.mi

    2010-09-15

    First orbits are presented for 3 interferometric pairs and revised solutions for 15 others, based in part on first results from a recently initiated program of speckle interferometric observations of neglected southern binaries. Eight of these systems contain additional components, with multiplicity ranging up to 6.

  19. Production and Injection data for NV Binary facilities

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Mines, Greg

    2013-12-24

    Excel files are provided with well production and injection data for binary facilities in Nevada. The files contain the data that reported montly to the Nevada Bureau of Mines and Geology (NBMG) by the facility operators. this data has been complied into Excel spreadsheets for each of the facilities given on the NBMG web site.

  20. Analyze Influenza Virus Sequences Using Binary Encoding Approach

    E-Print Network [OSTI]

    Boley, Daniel

    Analyze Influenza Virus Sequences Using Binary Encoding Approach Ham Ching Lam , Srinand Sreevatsan and Daniel Boley Abstract Capturing mutation patterns of each individual influenza virus sequence is often reduction technique, we were able to capture the intrinsic mutation pattern of the virus. Our approach looks

  1. Complexity of Layered Binary Search Trees with Relaxed Balance

    E-Print Network [OSTI]

    Larsen, Kim Skak

    Complexity of Layered Binary Search Trees with Relaxed Balance Lars Jacobsen Kim S. Larsen University of Southern Denmark, Odense Abstract. When search trees are made relaxed, balance constraints circumstances. However, the weakened balance constraints also make it more challenging to prove complexity

  2. Dixie Valley Binary Cycle Production Data 2013 YTD

    SciTech Connect (OSTI)

    Lee, Vitaly

    2013-10-18

    Proving the technical and economic feasibility of utilizing the available unused heat to generate additional electric power from a binary power plant from the low-temperature brine at the Dixie Valley Geothermal Power Plant. Monthly data for Jan 2013-September 2013

  3. Production and Injection data for NV Binary facilities

    DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

    Mines, Greg

    Excel files are provided with well production and injection data for binary facilities in Nevada. The files contain the data that reported montly to the Nevada Bureau of Mines and Geology (NBMG) by the facility operators. this data has been complied into Excel spreadsheets for each of the facilities given on the NBMG web site.

  4. Bolt: On-Demand Infinite Loop Escape in Unmodified Binaries

    E-Print Network [OSTI]

    Rinard, Martin

    . Bolt supports an on- demand usage model--a user can attach Bolt to a running application at any point the application has successfully escaped from the loop, Bolt detaches from the application. To support the onBolt: On-Demand Infinite Loop Escape in Unmodified Binaries Michael Kling Sasa Misailovic Michael

  5. Spectroscopic Binary Star Studies with the Palomar Testbed Interferometer II

    E-Print Network [OSTI]

    Spectroscopic Binary Star Studies with the Palomar Testbed Interferometer II A.F. Boden 1;2#3; , B; bode@ipac.caltech.edu ABSTRACT The Palomar Testbed Interferometer (PTI) is a long-baseline near-infrared interfer- ometer located at Palomar Observatory. Following our previous work on resolving spectroscopic

  6. A New Merging Double Degenerate Binary in the Solar Neighborhood

    E-Print Network [OSTI]

    Debes, John H; Tremblay, Pier-Emmanuel; López-Morales, Mercedes; Anglada-Escudé, Guillem; Napiwotzki, Ralf; Osip, David; Weinberger, Alycia

    2015-01-01

    Characterizing the local space density of double degenerate binary systems is a complementary approach to broad sky surveys of double degenerates to determine the expected rates of white dwarf binary mergers, in particular those that may evolve into other observable phenomena such as extreme helium stars, Am CVn systems, and supernovae Ia. However, there have been few such systems detected in local space. We report here the discovery that WD 1242$-$105, a nearby bright WD, is a double-line spectroscopic binary consisting of two degenerate DA white dwarfs of similar mass and temperature, despite it previously having been spectroscopically characterized as a single degenerate. Follow-up photometry, spectroscopy, and trigonometric parallax have been obtained in an effort to determine the fundamental parameters of each component of this system. The binary has a mass ratio of 0.7 and a trigonometric parallax of 25.5 mas, placing it at a distance of 39 pc. The system's total mass is 0.95 M$_\\odot$ and has an orbita...

  7. Power-Aware FPGA Logic Synthesis Using Binary Decision Diagrams

    E-Print Network [OSTI]

    Tessier, Russell

    with signal switching estimates to achieve power-efficient circuit networks. The results of synthesis and subsequent power-aware technology mapping are evaluated using two distinct physical design platforms Circuits]: Design Aids General Terms Algorithms Keywords FPGA, Binary decision diagram, Dynamic power 1

  8. A spectroscopic binary in the Hercules dwarf spheroidal galaxy

    SciTech Connect (OSTI)

    Koch, Andreas; Hansen, Terese [Landessternwarte, Zentrum für Astronomie der Universität Heidelberg, Königstuhl 12, D-69117 Heidelberg (Germany); Feltzing, Sofia [Lund Observatory, Department of Astronomy and Theoretical Physics, Box 43, SE-22100 Lund (Sweden); Wilkinson, Mark I., E-mail: akoch@lsw.uni-heidelberg.de [Department of Physics and Astronomy, University of Leicester, University Road, Leicester LE1 7RH (United Kingdom)

    2014-01-01

    We present the radial velocity curve of a single-lined spectroscopic binary in the faint Hercules dwarf spheroidal (dSph) galaxy, based on 34 individual spectra covering more than 2 yr of observations. This is the first time that orbital elements could be derived for a binary in a dSph. The system consists of a metal-poor red giant and a low-mass companion, possibly a white dwarf, with a 135 day period in a moderately eccentric (e = 0.18) orbit. Its period and eccentricity are fully consistent with metal-poor binaries in the Galactic halo, while the projected semimajor axis is small, at a{sub p} sin i = 38 R {sub ?}. In fact, a very close orbit could inhibit the production of heavier elements through s-process nucleosynthesis, leading to the very low abundances of neutron-capture elements that are found in this star. We discuss the further implications for the chemical enrichment history of the Hercules dSph, but find no compelling binary scenario that could reasonably explain the full, peculiar abundance pattern of the Hercules dSph galaxy.

  9. Mining Frequent Binary Expressions Toon Calders and Jan Paredaens

    E-Print Network [OSTI]

    Antwerpen, Universiteit

    Mining Frequent Binary Expressions Toon Calders and Jan Paredaens Universiteit Antwerpen, Departement Wiskunde-Informatica, Universiteitsplein 1, B-2610 Wilrijk, Belgium. {calders,pareda}@uia.ua.ac.be Abstract. In data mining, searching for frequent patterns is a common basic operation. It forms the basis

  10. COLLISIONAL EVOLUTION OF ULTRA-WIDE TRANS-NEPTUNIAN BINARIES

    SciTech Connect (OSTI)

    Parker, Alex H. [Department of Astronomy, University of Victoria, Victoria BC (Canada); Kavelaars, J. J., E-mail: alexhp@uvic.ca [Herzberg Institute of Astrophysics, National Research Council of Canada, Saanich BC (Canada)

    2012-01-10

    The widely separated, near-equal mass binaries hosted by the cold classical Kuiper Belt are delicately bound and subject to disruption by many perturbing processes. We use analytical arguments and numerical simulations to determine their collisional lifetimes given various impactor size distributions and include the effects of mass loss and multiple impacts over the lifetime of each system. These collisional lifetimes constrain the population of small (R {approx}> 1 km) objects currently residing in the Kuiper Belt and confirm that the size distribution slope at small size cannot be excessively steep-likely q {approx}< 3.5. We track mutual semimajor axis, inclination, and eccentricity evolution through our simulations and show that it is unlikely that the wide binary population represents an evolved tail of the primordially tight binary population. We find that if the wide binaries are a collisionally eroded population, their primordial mutual orbit planes must have preferred to lie in the plane of the solar system. Finally, we find that current limits on the size distribution at small radii remain high enough that the prospect of detecting dust-producing collisions in real time in the Kuiper Belt with future optical surveys is feasible.

  11. UNDERSTANDING THE EVOLUTION OF CLOSE BINARY SYSTEMS WITH RADIO PULSARS

    SciTech Connect (OSTI)

    Benvenuto, O. G.; De Vito, M. A.

    2014-05-01

    We calculate the evolution of close binary systems (CBSs) formed by a neutron star (behaving as a radio pulsar) and a normal donor star, which evolve either to a helium white dwarf (HeWD) or to ultra-short orbital period systems. We consider X-ray irradiation feedback and evaporation due to radio pulsar irradiation. We show that irradiation feedback leads to cyclic mass transfer episodes, allowing CBSs to be observed in between episodes as binary radio pulsars under conditions in which standard, non-irradiated models predict the occurrence of a low-mass X-ray binary. This behavior accounts for the existence of a family of eclipsing binary systems known as redbacks. We predict that redback companions should almost fill their Roche lobe, as observed in PSR J1723-2837. This state is also possible for systems evolving with larger orbital periods. Therefore, binary radio pulsars with companion star masses usually interpreted as larger than expected to produce HeWDs may also result in such quasi-Roche lobe overflow states, rather than hosting a carbon-oxygen WD. We found that CBSs with initial orbital periods of P{sub i} < 1 day evolve into redbacks. Some of them produce low-mass HeWDs, and a subgroup with shorter P{sub i} becomes black widows (BWs). Thus, BWs descend from redbacks, although not all redbacks evolve into BWs. There is mounting observational evidence favoring BW pulsars to be very massive (? 2 M {sub ?}). As they should be redback descendants, redback pulsars should also be very massive, since most of the mass is transferred before this stage.

  12. Training a Binary Classifier with the Quantum Adiabatic Algorithm

    E-Print Network [OSTI]

    Hartmut Neven; Vasil S. Denchev; Geordie Rose; William G. Macready

    2008-11-04

    This paper describes how to make the problem of binary classification amenable to quantum computing. A formulation is employed in which the binary classifier is constructed as a thresholded linear superposition of a set of weak classifiers. The weights in the superposition are optimized in a learning process that strives to minimize the training error as well as the number of weak classifiers used. No efficient solution to this problem is known. To bring it into a format that allows the application of adiabatic quantum computing (AQC), we first show that the bit-precision with which the weights need to be represented only grows logarithmically with the ratio of the number of training examples to the number of weak classifiers. This allows to effectively formulate the training process as a binary optimization problem. Solving it with heuristic solvers such as tabu search, we find that the resulting classifier outperforms a widely used state-of-the-art method, AdaBoost, on a variety of benchmark problems. Moreover, we discovered the interesting fact that bit-constrained learning machines often exhibit lower generalization error rates. Changing the loss function that measures the training error from 0-1 loss to least squares maps the training to quadratic unconstrained binary optimization. This corresponds to the format required by D-Wave's implementation of AQC. Simulations with heuristic solvers again yield results better than those obtained with boosting approaches. Since the resulting quadratic binary program is NP-hard, additional gains can be expected from applying the actual quantum processor.

  13. CHARACTERIZATION OF SEVEN ULTRA-WIDE TRANS-NEPTUNIAN BINARIES

    SciTech Connect (OSTI)

    Parker, Alex H. [Department of Astronomy, University of Victoria, Victoria, BC (Canada); Kavelaars, J. J. [Herzberg Institute of Astrophysics, National Research Council of Canada, Saanich, BC (Canada); Petit, Jean-Marc [Observatoire de Besancon, Besancon (France); Jones, Lynne [Department of Astronomy, University of Washington, Seattle, WA (United States); Gladman, Brett [Department of Astronomy, University of British Columbia, Vancouver, BC (Canada); Parker, Joel, E-mail: alexhp@uvic.ca [Southwest Research Institute, Boulder, CO (United States)

    2011-12-10

    The low-inclination component of the Classical Kuiper Belt is host to a population of extremely widely separated binaries. These systems are similar to other trans-Neptunian binaries (TNBs) in that the primary and secondary components of each system are of roughly equal size. We have performed an astrometric monitoring campaign of a sample of seven wide-separation, long-period TNBs and present the first-ever well-characterized mutual orbits for each system. The sample contains the most eccentric (2006 CH{sub 69}, e{sub m} = 0.9) and the most widely separated, weakly bound (2001 QW{sub 322}, a/R{sub H} {approx_equal} 0.22) binary minor planets known, and also contains the system with lowest-measured mass of any TNB (2000 CF{sub 105}, M{sub sys} {approx_equal} 1.85 Multiplication-Sign 10{sup 17} kg). Four systems orbit in a prograde sense, and three in a retrograde sense. They have a different mutual inclination distribution compared to all other TNBs, preferring low mutual-inclination orbits. These systems have geometric r-band albedos in the range of 0.09-0.3, consistent with radiometric albedo estimates for larger solitary low-inclination Classical Kuiper Belt objects, and we limit the plausible distribution of albedos in this region of the Kuiper Belt. We find that gravitational collapse binary formation models produce an orbital distribution similar to that currently observed, which along with a confluence of other factors supports formation of the cold Classical Kuiper Belt in situ through relatively rapid gravitational collapse rather than slow hierarchical accretion. We show that these binary systems are sensitive to disruption via collisions, and their existence suggests that the size distribution of TNOs at small sizes remains relatively shallow.

  14. The contact binary GSC 04778-00152 with a visual companion

    E-Print Network [OSTI]

    T. Tuvikene; T. Eenmäe; C. Sterken; E. Brogt

    2008-09-11

    Photometric and spectroscopic observations of the unstudied 12th-magnitude eclipsing binary GSC 04778-00152 are presented. We report the discovery of a visual companion about 1 mag fainter and 2 arcsec away from the binary. By subtracting the light contribution of the visual companion, we obtain the UBVRI light curves of the binary system alone. The shape of the light curve indicates that GSC 04778-00152 is an A-type W UMa contact binary. From light-curve modeling, we derive parameters of the binary system.

  15. Detection of Gravitational Wave Emission by Supermassive Black Hole Binaries Through Tidal Disruption Flares

    E-Print Network [OSTI]

    Hayasaki, Kimitake

    2015-01-01

    Galaxy mergers produce binaries of supermassive black holes, which emit gravitational waves prior to their coalescence. We perform three-dimensional hydrodynamic simulations to study the tidal disruption of stars by such a binary in the final centuries of its life. We find that the gas stream of the stellar debris moves chaotically in the binary potential and forms accretion disks around both black holes. The accretion light curve is modulated over the binary orbital period owing to relativistic beaming. This periodic signal allows to detect the decay of the binary orbit due to gravitational wave emission by observing two tidal disruption events that are separated by more than a decade.

  16. Efficiency of mass transfer in massive close binaries, Tests from double-lined eclipsing binaries in the SMC

    E-Print Network [OSTI]

    S. E. de Mink; O. R. Pols; R. W. Hilditch

    2007-03-19

    One of the major uncertainties in close binary evolution is the efficiency of mass transfer beta: the fraction of transferred mass that is accreted by a secondary star. We attempt to constrain the mass-transfer efficiency for short-period massive binaries undergoing case A mass transfer. We present a grid of about 20,000 detailed binary evolution tracks with primary masses 3.5-35 Msun, orbital periods 1-5 days at a metallicity Z=0.004, assuming both conservative and non-conservative mass transfer. We perform a systematic comparison, using least-squares fitting, of the computed models with a sample of 50 double-lined eclipsing binaries in the Small Magellanic Cloud, for which fundamental stellar parameters have been determined. About 60% of the systems are currently undergoing slow mass transfer. In general we find good agreement between our models and the observed detached systems. However, for many of the semi-detached systems the observed temperature ratio is more extreme than our models predict. For the 17 semi-detached systems that we are able to match, we find a large spread in the best fitting mass-transfer efficiency; no single value of beta can explain all systems. We find a hint that initially wider systems tend to fit better to less conservative models. We show the need for more accurate temperature determinations and we find that determinations of surface abundances of nitrogen and carbon can potentially constrain the mass-transfer efficiency further.

  17. Service-oriented Continuous Query

    E-Print Network [OSTI]

    Wolf, Christian

    -fil programmable en Java (SunSPOT / Oracle) - Java VM native - communication sans-fil Zigbee - capteurs et I Systems) - CPU MSP430-5 - communication sans-fil 6LoWPAN ou Zigbee - support de Contiki OS - capteurs et I

  18. Dynamical Tides in Compact White Dwarf Binaries: Influence of Rotation

    E-Print Network [OSTI]

    Fuller, Jim

    2014-01-01

    Tidal interactions play an important role in the evolution and ultimate fate of compact white dwarf (WD) binaries. Not only do tides affect the pre-merger state (such as temperature and rotation rate) of the WDs, but they may also determine which systems merge and which undergo stable mass transfer. In this paper, we attempt to quantify the effects of rotation on tidal angular momentum transport in binary stars, with specific calculations applied to WD stellar models. We incorporate the effect of rotation using the traditional approximation, in which the dynamically excited gravity waves within the WDs are transformed into gravito-inertial Hough waves. The Coriolis force has only a minor effect on prograde gravity waves, and previous results predicting the tidal spin-up and heating of inspiraling WDs are not significantly modified. However, rotation strongly alters retrograde gravity waves and inertial waves, with important consequences for the tidal spin-down of accreting WDs. We identify new dynamical tidal...

  19. Complete phenomenological gravitational waveforms from spinning coalescing binaries

    E-Print Network [OSTI]

    R. Sturani; S. Fischetti; L. Cadonati; G. M. Guidi; J. Healy; D. Shoemaker; A. Viceré

    2010-11-03

    The quest for gravitational waves from coalescing binaries is customarily performed by the LIGO-Virgo collaboration via matched filtering, which requires a detailed knowledge of the signal. Complete analytical coalescence waveforms are currently available only for the non-precessing binary systems. In this paper we introduce complete phenomenological waveforms for the dominant quadrupolar mode of generically spinning systems. These waveforms are constructed by bridging the gap between the analytically known inspiral phase, described by spin Taylor (T4) approximants in the restricted waveform approximation, and the ring-down phase through a phenomenological intermediate phase, calibrated by comparison with specific, numerically generated waveforms, describing equal mass systems with dimension-less spin magnitudes equal to 0.6. The overlap integral between numerical and phenomenological waveforms ranges between 0.95 and 0.99.

  20. General Relativistic Binary Merger Simulations and Short Gamma Ray Bursts

    E-Print Network [OSTI]

    Joshua A. Faber; Thomas W. Baumgarte; Stuart L. Shapiro; Keisuke Taniguchi

    2006-03-10

    The recent localization of some short-hard gamma ray bursts (GRBs) in galaxies with low star formation rates has lent support to the suggestion that these events result from compact object binary mergers. We discuss how new simulations in general relativity are helping to identify the central engine of short-hard GRBs. Motivated by our latest relativistic black hole-neutron star merger calculations, we discuss a scenario in which these events may trigger short-hard GRBs, and compare this model to competing relativistic models involving binary neutron star mergers and the delayed collapse of hypermassive neutron stars. Distinguishing features of these models may help guide future GRB and gravitational wave observations to identify the nature of the sources.

  1. Binary nanoparticle superlattices of soft-particle systems

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Travesset, Alex

    2015-07-20

    The solid-phase diagram of binary systems consisting of particles of diameter ?A=? and ?B=?? (??1) interacting with an inverse p = 12 power law is investigated as a paradigm of a soft potential. In addition to the diameter ratio ? that characterizes hard-sphere models, the phase diagram is a function of an additional parameter that controls the relative interaction strength between the different particle types. Phase diagrams are determined from extremes of thermodynamic functions by considering 15 candidate lattices. In general, it is shown that the phase diagram of a soft repulsive potential leads to the morphological diversity observed inmore »experiments with binary nanoparticles, thus providing a general framework to understand their phase diagrams. In addition, particular emphasis is shown to the two most successful crystallization strategies so far: evaporation of solvent from nanoparticles with grafted hydrocarbon ligands and DNA programmable self-assembly.« less

  2. Gravitational-wave modes from precessing black-hole binaries

    E-Print Network [OSTI]

    Michael Boyle; Lawrence E. Kidder; Serguei Ossokine; Harald P. Pfeiffer

    2014-09-22

    Gravitational waves from precessing black-hole binaries exhibit features that are absent in nonprecessing systems. The most prominent of these is a parity-violating asymmetry that beams energy and linear momentum preferentially along or opposite to the orbital angular momentum, leading to recoil of the binary. The asymmetry will appear as amplitude and phase modulations at the orbital frequency. For strongly precessing systems, it accounts for at least 3% amplitude modulation for binaries in the sensitivity band of ground-based gravitational-wave detectors, and can exceed 50% for massive systems. Such asymmetric features are also clearly visible when the waves are decomposed into modes of spin-weighted spherical harmonics, and are inherent in the waves themselves---rather than resulting from residual eccentricity in numerical simulations, or from mode-mixing due to precession. In particular, there is generically no instantaneous frame for which the mode decomposition will have any symmetry. We introduce a method to simplify the expressions for waveforms given in analytical relativity, which can be used to combine existing high-order waveforms for nonprecessing systems with expressions for the precessing contributions, leading to improved accuracy and a unified treatment of precessing and nonprecessing binaries. Using this method, it is possible to clarify the nature and the origins of the asymmetries and show the effects of asymmetry on recoils more clearly. We present post-Newtonian (PN) expressions for the waveform modes that include these terms, complete to the relative 2PN level in spin (proportional to $v^4/c^4$ times a certain combination of the spins). Comparing the results of those expressions to numerical results, we find good qualitative agreement. We also demonstrate how these expressions can be used to efficiently calculate waveforms for gravitational-wave astronomy.

  3. Short Gamma-Ray Bursts from Binary Neutron Star Mergers

    E-Print Network [OSTI]

    Roland Oechslin; Thomas Janka

    2006-04-27

    We present the results from new relativistic hydrodynamic simulations of binary neutron star mergers using realistic non-zero temperature equations of state. We vary several unknown parameters in the system such as the neutron star (NS) masses, their spins and the nuclear equation of state. The results are then investigated with special focus on the post-merger torus-remnant system. Observational implications on the Gamma-ray burst (GRB) energetics are discussed and compared with recent observations.

  4. Coal liquefaction process using pretreatment with a binary solvent mixture

    DOE Patents [OSTI]

    Miller, R.N.

    1986-10-14

    An improved process for thermal solvent refining or hydroliquefaction of non-anthracitic coal at elevated temperatures under hydrogen pressure in a hydrogen donor solvent comprises pretreating the coal with a binary mixture of an aromatic hydrocarbon and an aliphatic alcohol at a temperature below 300 C before the hydroliquefaction step. This treatment generally increases both conversion of coal and yields of oil. 1 fig.

  5. A study of diffusion in binary solutions using spin echoes 

    E-Print Network [OSTI]

    Rousseau, Cecil Clyde

    1962-01-01

    of Experimentally Determined Diffusion Coefficients of Cyclohexane and Acetone with the Results of NcCall, Douglass, and Anderson . . . . . . . . . 23 INTRODUCTION The available descriptions of the liquid state form a continuous spectrum that extends from... the liquid with unit velocity. The intrinsic diffusion coefficient is now given by Di kT Equation (1-11) is known as the Einstein relation. Thus far, no explicit statement has been made concerning diffusion in binary systems. In addition to the intrinsic...

  6. Molecular Dynamics Simulation of Binary Fluid in a Nanochannel

    SciTech Connect (OSTI)

    Mullick, Shanta; Ahluwalia, P. K. [Department of Physics, Himachal Pradesh University, SummerHill, Shimla - 171005 (India); Pathania, Y. [Chitkara University, Atal Shiksha Kunj, Atal Nagar, Barotiwala, Dist Solan, Himachal Pradesh - 174103 (India)

    2011-12-12

    This paper presents the results from a molecular dynamics simulation of binary fluid (mixture of argon and krypton) in the nanochannel flow. The computational software LAMMPS is used for carrying out the molecular dynamics simulations. Binary fluids of argon and krypton with varying concentration of atom species were taken for two densities 0.65 and 0.45. The fluid flow takes place between two parallel plates and is bounded by horizontal walls in one direction and periodic boundary conditions are imposed in the other two directions. To drive the flow, a constant force is applied in one direction. Each fluid atom interacts with other fluid atoms and wall atoms through Week-Chandler-Anderson (WCA) potential. The velocity profile has been looked at for three nanochannel widths i.e for 12{sigma}, 14{sigma} and 16{sigma} and also for the different concentration of two species. The velocity profile of the binary fluid predicted by the simulations agrees with the quadratic shape of the analytical solution of a Poiseuille flow in continuum theory.

  7. Non-thermal emission processes in massive binaries

    E-Print Network [OSTI]

    M. De Becker

    2007-09-26

    In this paper, I present a general discussion of several astrophysical processes likely to play a role in the production of non-thermal emission in massive stars, with emphasis on massive binaries. Even though the discussion will start in the radio domain where the non-thermal emission was first detected, the census of physical processes involved in the non-thermal emission from massive stars shows that many spectral domains are concerned, from the radio to the very high energies. First, the theoretical aspects of the non-thermal emission from early-type stars will be addressed. The main topics that will be discussed are respectively the physics of individual stellar winds and their interaction in binary systems, the acceleration of relativistic electrons, the magnetic field of massive stars, and finally the non-thermal emission processes relevant to the case of massive stars. Second, this general qualitative discussion will be followed by a more quantitative one, devoted to the most probable scenario where non-thermal radio emitters are massive binaries. I will show how several stellar, wind and orbital parameters can be combined in order to make some semi-quantitative predictions on the high-energy counterpart to the non-thermal emission detected in the radio domain. These theoretical considerations will be followed by a census of results obtained so far, and related to this topic... (see paper for full abstract)

  8. Binary Formation in Star-Forming Clouds with Various Metallicities

    E-Print Network [OSTI]

    Masahiro N. Machida

    2008-03-01

    Cloud evolution for various metallicities is investigated by three-dimensional nested grid simulations, in which the initial ratio of rotational to gravitational energy of the host cloud \\beta_0 (=10^-1 - 10^-6) and cloud metallicity Z (=0 - Z_\\odot) are parameters. Starting from a central number density of n = 10^4 cm^-3, cloud evolution for 48 models is calculated until the protostar is formed (n \\simeq 10^23 cm^-3) or fragmentation occurs. The fragmentation condition depends both on the initial rotational energy and cloud metallicity. Cloud rotation promotes fragmentation, while fragmentation tends to be suppressed in clouds with higher metallicity. Fragmentation occurs when \\beta_0 > 10^-3 in clouds with solar metallicity, while fragmentation occurs when \\beta_0 > 10^-5 in the primordial gas cloud. Clouds with lower metallicity have larger probability of fragmentation, which indicates that the binary frequency is a decreasing function of cloud metallicity. Thus, the binary frequency at the early universe (or lower metallicity environment) is higher than at present day (or higher metallicity environment). In addition, binary stars born from low-metallicity clouds have shorter orbital periods than those from high-metallicity clouds. These trends are explained in terms of the thermal history of the collapsing cloud.

  9. HYPERCRITICAL ACCRETION, INDUCED GRAVITATIONAL COLLAPSE, AND BINARY-DRIVEN HYPERNOVAE

    SciTech Connect (OSTI)

    Fryer, Chris L. [CCS-2, Los Alamos National Laboratory, Los Alamos, NM 87545 (United States); Rueda, Jorge A.; Ruffini, Remo [ICRANet, Piazza della Repubblica 10, I-65122 Pescara (Italy)

    2014-10-01

    The induced gravitational collapse (IGC) paradigm has been successfully applied to the explanation of the concomitance of gamma-ray bursts (GRBs) with supernovae (SNe) Ic. The progenitor is a tight binary system composed of a carbon-oxygen (CO) core and a neutron star (NS) companion. The explosion of the SN leads to hypercritical accretion onto the NS companion, which reaches the critical mass, hence inducing its gravitational collapse to a black hole (BH) with consequent emission of the GRB. The first estimates of this process were based on a simplified model of the binary parameters and the Bondi-Hoyle-Lyttleton accretion rate. We present here the first full numerical simulations of the IGC phenomenon. We simulate the core-collapse and SN explosion of CO stars to obtain the density and ejection velocity of the SN ejecta. We follow the hydrodynamic evolution of the accreting material falling into the Bondi-Hoyle surface of the NS all the way up to its incorporation in the NS surface. The simulations go up to BH formation when the NS reaches the critical mass. For appropriate binary parameters, the IGC occurs in short timescales ?10{sup 2}-10{sup 3} s owing to the combined effective action of the photon trapping and the neutrino cooling near the NS surface. We also show that the IGC scenario leads to a natural explanation for why GRBs are associated only with SNe Ic with totally absent or very little helium.

  10. Wide binaries as a critical test for Gravity theories

    E-Print Network [OSTI]

    X. Hernandez; M. A. Jimenez; C. Allen

    2012-05-25

    Assuming Newton's gravity and GR to be valid at all scales leads to the dark matter hypothesis as a requirement demanded by the observed dynamics and measured baryonic content at galactic and extragalactic scales. Alternatively, modified gravity scenarios where a change of regime appears at acceleration scales $abinary stars. Since for $1 M_{\\odot}$ systems the acceleration drops below $a_{0}$ at scales of around 7000 AU, a statistical survey of wide binaries with relative velocities and separations reaching $10^{4}$ AU and beyond should prove useful to the above debate. We apply the proposed test to the best currently available data. Results show a constant upper limit to the relative velocities in wide binaries which is independent of separation for over three orders of magnitude, in analogy with galactic flat rotation curves in the same $a

  11. GALACTIC ULTRACOMPACT X-RAY BINARIES: EMPIRICAL LUMINOSITIES

    SciTech Connect (OSTI)

    Cartwright, T. F.; Engel, M. C.; Heinke, C. O.; Sivakoff, G. R.; Berger, J. J.; Gladstone, J. C.; Ivanova, N., E-mail: heinke@ualberta.ca [Physics Department, 4-183 CCIS, University of Alberta, Edmonton, AB T6G 2E1 (Canada)

    2013-05-10

    Ultracompact X-ray binaries (UCXBs) are thought to have relatively simple binary evolution post-contact, leading to clear predictions of their luminosity function. We test these predictions by studying the long-term behavior of known UCXBs in our Galaxy, principally using data from the MAXI All-Sky Survey and the Galactic bulge scans with RXTE's Proportional Counter Array instrument. Strong luminosity variations are common (and well documented) among persistent UCXBs, which requires an explanation other than the disk instability mechanism. We measure the luminosity function of known UCXBs in the Milky Way, which extends to lower luminosities than some proposed theoretical luminosity functions of UCXBs. The difference between field and globular cluster (GC) X-ray luminosity functions in other galaxies cannot be explained by an increased fraction of UCXBs in GCs. Instead, our measured luminosity function suggests that UCXBs only make up a small fraction of the X-ray binaries above a few Multiplication-Sign 10{sup 36} erg s{sup -1} in both old field populations and GCs.

  12. Collective properties of neutron-star X-ray binary populations of galaxies. II. Pre-low-mass X-ray binary properties, formation rates, and constraints

    SciTech Connect (OSTI)

    Bhadkamkar, H. [Astronomy and Astrophysics, Raman Research Institute, Bengaluru 560080 (India); Ghosh, P. [Department of Astronomy and Astrophysics, Tata Institute of Fundamental Research, Mumbai 400005 (India)

    2014-04-01

    We continue our exploration of the collective properties of neutron-star X-ray binaries in the stellar fields (i.e., outside globular clusters) of normal galaxies. In Paper I of this series, we considered high-mass X-ray binaries (HMXBs). In this paper (Paper II), we consider low-mass X-ray binaries (LMXBs), whose evolutionary scenario is very different from that of HMXBs. We consider the evolution of primordial binaries up to the stage where the neutron star just formed in the supernova explosion of the primary is in a binary with its low-mass, unevolved companion, and this binary has circularized tidally, producing what we call a pre-low-mass X-ray binary (pre-LMXB). We study the constraints on the formation of such pre-LMXBs in detail (since these are low-probability events), and calculate their collective properties and formation rates. To this end, we first consider the changes in the binary parameters in the various steps involved, viz., the common-envelope phase, the supernova, and the tidal evolution. This naturally leads to a clarification of the constraints. We then describe our calculation of the evolution of the distributions of primordial binary parameters into those of pre-LMXB parameters, following the standard evolutionary scenario for individual binaries. We display the latter as both bivariate and monovariate distributions, discuss their essential properties, and indicate the influences of some essential factors on these. Finally, we calculate the formation rate of these pre-LMXBs. The results of this paper will be used in a subsequent one to compute the expected X-ray luminosity function of LMXBs.

  13. A new method of determining the inclination angle in interacting binaries

    E-Print Network [OSTI]

    Tariq Shahbaz

    1998-03-25

    We describe a method of determining the system parameters in non-eclipsing interacting binaries. We find that the extent to which an observer sees the shape of the Roche-lobe of the secondary star governs the amount of distortion of the absorption line profiles. The width and degree of asymmetry of the phase-resolved absorption line profiles show a characteristic shape, which depends primarily on the binary inclination and gravity darkening exponent. We show that, in principle, by obtaining high spectral and time resolution spectra of quiescent cataclysmic variables or low mass X-ray binaries in which the mass-losing star is visible, fitting the shape of absorption line profiles will allow one to determine not only the mass function of the binary, but also the binary inclination and hence the mass of the binary components.

  14. Weight Distribution of a Class of Binary Linear Block Codes Formed from RCPC Codes

    E-Print Network [OSTI]

    Shen, Yushi Dr.; Cosman, Pamela C; Milstein, Laurence B

    2006-01-01

    On the weight distribution of terminated convolutionalViterbi, “On the weight distribution of linear block codes9, SEPTEMBER 2005 Weight Distribution of a Class of Binary

  15. Radio Crickets: Chirping Jets from Black Hole Binaries Entering their Gravitational Wave Inspiral

    E-Print Network [OSTI]

    Kulkarni, Girish

    2015-01-01

    We study a novel electromagnetic signature of supermassive black hole binaries whose inspiral starts being dominated by gravitational wave (GW) emission. Recent simulations suggest that the binary's member BHs can continue to accrete gas from the circumbinary accretion disk in this phase of the binary's evolution, all the way until coalescence. If one of the binary members produces a radio jet as a result of accretion, the jet precesses along a biconical surface due to the binary's orbital motion. When the binary enters the GW phase of its evolution, the opening angle widens, the jet exhibits milliarcsecond scale wiggles, and the conical surface of jet precession is twisted due to apparant superluminal motion. The rapidly increasing orbital velocity of the binary gives the jet an appearance of a "chirp." This helical chirping morphology of the jet can be used to infer the binary parameters. For binaries with mass 10^7--10^10 Msun at redshifts z<0.5, monitoring these features in current and archival data wi...

  16. Gendered perspectives in archaeological narratives of the Danish Bronze Age: deconstructing the binary approach 

    E-Print Network [OSTI]

    Jones, Megan Elizabeth

    2011-11-22

    Utilising a gender critical perspective augmented by statistical analysis, this thesis examines the binary approach customarily employed throughout archaeological narratives pertaining to the Danish Bronze Age. In respect ...

  17. Dynamics of Satellites in Binary Near-Earth Asteroid Systems: A Study Based on Radar Observations

    E-Print Network [OSTI]

    Naidu, Shantanu

    2015-01-01

    characterization of Binary Near-Earth Asteroid (185851) 20003 Near-Earth Asteroid Satellite Spins Under Spin-Orbitlibration amplitudes for synchronous near-Earth as- teroid

  18. Migration of massive black hole binaries in self--gravitating accretion discs: Retrograde versus prograde

    E-Print Network [OSTI]

    Constanze Roedig; Alberto Sesana

    2013-07-24

    We study the interplay between mass transfer, accretion and gravitational torques onto a black hole binary migrating in a self-gravitating, retrograde circumbinary disc. A direct comparison with an identical prograde disc shows that: (i) because of the absence of resonances, the cavity size is a factor a(1+e) smaller for retrograde discs; (ii) nonetheless the shrinkage of a circular binary semi--major axis, a, is identical in both cases; (iii) a circular binary in a retrograde disc remains circular while eccentric binaries grow more eccentric. For non-circular binaries, we measure the orbital decay rates and the eccentricity growth rates to be exponential as long as the binary orbits in the plane of its disc. Additionally, for these co-planar systems, we find that interaction (~ non--zero torque) stems only from the cavity edge plus a(1+e) in the disc, i.e. for dynamical purposes, the disc can be treated as a annulus of small radial extent. We find that simple 'dust' models in which the binary- disc interaction is purely gravitational can account for all main numerical results, both for prograde and retrograde discs. Furthermore, we discuss the possibility of an instability occurring for highly eccentric binaries causing it to leave the disc plane, secularly tilt and converge to a prograde system. Our results suggest that there are two stable configurations for binaries in self-gravitating discs: the special circular retrograde case and an eccentric (e~ 0.6) prograde configuration as a stable attractor.

  19. Implications of the eccentric Kozai-Lidov mechanism for stars surrounding supermassive black hole binaries

    E-Print Network [OSTI]

    Li, G; Naoz, S; Kocsis, B; Loeb, A

    2015-01-01

    of the eccentric Kozai–Lidov mechanism for stars surroundingeccentric Kozai–Lidov (EKL) mechanism, including octupolein the binary where the EKL mechanism drives stars to high

  20. GridRun: A lightweight packaging and execution environment forcompact, multi-architecture binaries

    SciTech Connect (OSTI)

    Shalf, John; Goodale, Tom

    2004-02-01

    GridRun offers a very simple set of tools for creating and executing multi-platform binary executables. These ''fat-binaries'' archive native machine code into compact packages that are typically a fraction the size of the original binary images they store, enabling efficient staging of executables for heterogeneous parallel jobs. GridRun interoperates with existing distributed job launchers/managers like Condor and the Globus GRAM to greatly simplify the logic required launching native binary applications in distributed heterogeneous environments.