Computation of almost split sequences with applications to relatively projective and prinjective modules.

DOI10.1023/A:1025182712207zbMath1039.16007OpenAlexW219126654MaRDI QIDQ1411042

Efren Perez, M. M. Kleiner

Publication date: 15 October 2003

Published in: Algebras and Representation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1025182712207

zbMATH Keywords

approximationalmost split sequencesArtin algebrasprinjective modulesrelatively projective modulescontravariantly finite subcategoriesExt-injective modulesExt-projective modulescovariantly finite subcategoriesextension closed subcategories

Mathematics Subject Classification ID

Module categories in associative algebras (16D90) Auslander-Reiten sequences (almost split sequences) and Auslander-Reiten quivers (16G70) Representations of associative Artinian rings (16G10)

Related Items (7)

Almost split sequences for comodules ⋮ Almost split sequences and approximations ⋮ Some remarks on homologically finite subcategories ⋮ Finitistic dimension conjecture and extensions of algebras ⋮ THE FINITISTIC DIMENSION CONJECTURE AND RELATIVELY PROJECTIVE MODULES ⋮ Almost split sequences for complexes of fixed size. ⋮ One-parameter families of modules for tame algebras and bocses.

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