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xuaimin88888新蟲 (初入文壇)
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[求助]
請教三個代數(shù)問題 the socle and injective envelope of indecomposable modules
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請教三個代數(shù)問題 the socle and injective envelope of indecomposable modules 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? |
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