On the kernels and co-kernels of the category of quasi-Koszul modules

Let O-K-M-N-O be a short exact sequence of finitely generated R-modules, where R is a Noetherian semiperfect algebra. We mainly discussed such conditions that N is quasi-Koszul provided that K, M are quasi-Koszul, and K is quasi-Koszul provided that M, N are quasi-Koszul, which perfect the results o...

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Published inZhejiang da xue xue bao. Journal of Zhejiang University. Sciences edition. Li xue ban Vol. 38; no. 5; pp. 497 - 499
Main Authors Lu, Jia-Feng, Bao, Ke-Wei, Ye, Xiao-Xiao, Zheng, Xiao-Wan
Format Journal Article
LanguageChinese
Published Zhejiang University Press 01.10.2011
Subjects
Algebra
Categories
Kernels
Modules
余核
拟koszul模
核
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ISSN1008-9497
DOI10.3785/j.issn.1008-9497.2011.05.003

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Summary:Let O-K-M-N-O be a short exact sequence of finitely generated R-modules, where R is a Noetherian semiperfect algebra. We mainly discussed such conditions that N is quasi-Koszul provided that K, M are quasi-Koszul, and K is quasi-Koszul provided that M, N are quasi-Koszul, which perfect the results of Green and Mart nez-Villa in 1996.
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ISSN:1008-9497
DOI:10.3785/j.issn.1008-9497.2011.05.003