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Proceedings of the American Mathematical Society

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The number of indecomposable sequences over an Artin algebra of finite type


Author: Stephen P. Corwin
Journal: Proc. Amer. Math. Soc. 105 (1989), 301-304
MSC: Primary 16A64; Secondary 16A35, 16A46
DOI: https://doi.org/10.1090/S0002-9939-1989-0948148-2
MathSciNet review: 948148
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Abstract: Let $ \Lambda $ be an artin algebra of finite representation type. For a finitely generated $ \Lambda $-module $ C$, there are only finitely many f.g. modules $ A$ such that $ 0 \to A \to B \to C \to 0$ is indecomposable as a short exact sequence.


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DOI: https://doi.org/10.1090/S0002-9939-1989-0948148-2
Article copyright: © Copyright 1989 American Mathematical Society