On the indecomposable modules in almost cyclic coherent Auslander-Reiten components

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概要

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• We establish an inequality between the dimensions of the endomorphism and extension spaces of the indecomposable modules in generalized standard almost cyclic coherent components of the Auslander-Reiten quivers of finite dimensional algebras over an arbitrary base field. As an application we provide a homological characterization, involving the Euler quadratic form, of the tame algebras with separating families of almost cyclic coherent Auslander-Reiten components.

著者

• MALICKI Piotr

  Faculty of Mathematics and Computer Science Nicolaus Copernicus University

• Skowroski Andrzej

  Faculty of Mathematics and Computer Science, Nicolaus Copernicus University

関連論文

• On the indecomposable modules in almost cyclic coherent Auslander-Reiten components
• Concealed generalized canonical algebras and standard stable tubes
• On the indecomposable modules in almost cyclic coherent Auslander-Reiten components

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