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Summary:
DCpic, Commutative Diagrams in a (La)TEX
Document
Pedro Quaresma
CISUC
Departamento de Matem´atica, Universidade de Coimbra
3001-454 COIMBRA, PORTUGAL
abstract. DCpic is a package of TEX macros for graphing Commutative Diagrams
in a (La)TEX or ConTEXt document. Its distinguishing features are: the use of
PICTEX a powerful graphical engine, and a simple specification syntax. A commutative
diagram is described in terms of its objects and its arrows. The objects are textual
elements and the arrows can have various straight or curved forms.
We describe the syntax and semantics of the user's commands, and present many
examples of their use.
keywords: Commutative Diagrams, (La)TEX, PICTEX
Introduction
C
ommutative Diagrams (Diagramas Comutativos, in Portuguese), are a kind
of graphs which are widely used in Category Theory [4, 7, 9], not only as a
concise and convenient notation but also for "arrow chasing", a powerful tool
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