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Cohomologically triangulated categories I

Published online by Cambridge University Press:  03 January 2008

H.-J. Baues
Affiliation:
[email protected] für Mathematik, Vivatsgasse 7, 53111 Bonn, Germany
F. Muro
Affiliation:
[email protected] de Barcelona, Departament d'Àlgebra i Geometria, Gran via de les corts catalanes 585, 08007 Barcelona, Spain
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Abstract

We introduce cohomologically triangulated categories as triples (A,t,▽) given by an additive category A, an additive equivalence t:AA and a cohomology class ▽ in the translation cohomology H3(A,t). A stable homotopy theory C with A = HoC yields such a triple and the class of distinguished triangles in A is deduced from ▽.

Type
Research Article
Copyright
Copyright © ISOPP 2008

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