On Degenerations and Splitting of Exact Sequences

DOI10.1081/AGB-200063590zbMath1111.16017OpenAlexW2082076479MaRDI QIDQ5466690

Ohnuki, Yosuke, Masahisa Sato

Publication date: 25 August 2005

Published in: Communications in Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1081/agb-200063590

zbMATH Keywords

split exact sequencesArtin algebrasdegenerations of modulesrepresentation typesexact tubes

Mathematics Subject Classification ID

Representation type (finite, tame, wild, etc.) of associative algebras (16G60) Auslander-Reiten sequences (almost split sequences) and Auslander-Reiten quivers (16G70) Fibrations, degenerations in algebraic geometry (14D06) Representations of associative Artinian rings (16G10)

Cites Work

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• Quasi-Frobenius rings and generalizations. QF-3 and QF-1 rings. Notes by Claus Michael Ringel
• A characterization of orbit closure and applications
• Tame Algebras and Generic Modules
• Generic Modules Over Artin Algebras
• Complexity of degenerations of modules