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On the Fault Tolerance of the Butterfly Anna R. Karlin \Lambda Greg Nelson y Hisao Tamaki z
 

Summary: On the Fault Tolerance of the Butterfly
Anna R. Karlin \Lambda Greg Nelson y Hisao Tamaki z
Abstract
We study the robustness of the butterfly network
against random static faults. Suppose that each
edge of the butterfly is present independently of
other edges with probability p. Our main result is
that there is a 0­1 law on the existence of a linear­
sized component. More formally, there is a critical
probability p\Lambda such that for p above p\Lambda, the faulted
butterfly almost surely contains a linear­sized com­
ponent, whereas for p below p\Lambda, the faulted but­
terfly almost surely does not contain a linear­sized
component.
1 Introduction
Given a graph G, let G=p denote the random sub­
graph obtained by considering each edge indepen­
dently and including it in the subgraph with prob­
ability p, excluding it with probability 1 \Gamma p. 1 We
call G=p a faulted version of G. A long list of theo­

  

Source: Anderson, Richard - Department of Computer Science and Engineering, University of Washington at Seattle

 

Collections: Computer Technologies and Information Sciences