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Characterizations of regular local rings...
Ghosh, Dipankar...
Characterizations of regular local rings via syzygy modules of the residue field by Ghosh, Dipankar ( Author )
N.A
25-11-2015
Let R be a commutative Noetherian local ring with residue field k. We show that if a finite direct sum of syzygy modules of k surjects onto `a semidualizing module' or `a non-zero maximal Cohen-Macaulay module of finite injective dimension', then R is regular. We also prove that R is regular if and only if some syzygy module of k has a non-zero direct summand of finite injective dimension.
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Article
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36.88 KB
English
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MYR 0.01
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https://arxiv.org/abs/1511.08012
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