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Publicacions Matemàtiques
Journal Article

MINIMAL RESOLUTIONS AND OTHER MINIMAL MODELS

Agustí Roig
Publicacions Matemàtiques
Vol. 37, No. 2 (1993), pp. 285-303
Published by: Universitat Autònoma de Barcelona
https://www.jstor.org/stable/43736447
Page Count: 19

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Topics: Functors, Algebra, Commutativity, Mathematical rings, Factorization, Mathematical theorems, Cartesianism, Minimal logic, Axioms
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MINIMAL RESOLUTIONS AND OTHER MINIMAL MODELS
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Abstract

In many situations, minimal models are used as representatives of homotopy types. In this paper we state this fact as an equivalence of categories. This equivalence follows from an axiomatic definition of minimal objects. We see that this definition includes examples such as minimal resolutions of Eilenberg-Nakayama-Tate, minimal fiber spaces of Kan and A-minimal A-extensions of Halperin. For the first one, this is done by generalizing the construction of minimal resolutions of modules to complexes. The others follow by a caracterization of minimal objects in bifibred categories.
Publicacions Matemàtiques © 1993 Universitat Autònoma de Barcelona