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xuaimin88888

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[交流] 【求助】寻找电子书abelian categories with applications to rings and modules 已有1人参与

不知那位有下面这本书的电子版,急需!谢谢
abelian categories with applications to rings and modules

[ Last edited by javeey on 2010-5-8 at 17:13 ]
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bluesine

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2楼2010-05-08 18:27:06
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xuaimin88888

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【求助】请教三个问题

1 Assume that $A$ is a finite dimensional $K$-algebra,and $M$ a finitely generated indecomposable module, then the socle $socM $ of $M$ is simple,why?

2 Assume that $A$ is a finite dimensional $K$-algebra,and $M$ a finitely generated  module, is the injective envelope of $M$ finitely generated? why?


3 Assume that $A$ is a finite dimensional $K$-algebra,and $M$ a finitely generated indecomposable  module, is the injective envelope of $M$ indecomposable? why?

[ Last edited by xuaimin88888 on 2012-10-23 at 16:17 ]
3楼2012-10-23 16:16:04
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