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相对于Gorenstein内射预包络复形的同调维数

Dimensions of complexes related to Gorenstein injective preenvelopes
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摘要 设R是具有单位元的结合环,X是R-模复形.给出相对于Gorenstein内射预包络复形X的同调维数的定义和基本性质,并研究相对于Gorenstein内射预包络复形的同调维数与复形的Gorenstein内射维数的关系. Let R be an associative ring with identity and X be an R-complex.The definition and basic properties of the homological dimension of X related to the Gorenstein injective preenvelope are given,and the relationship between the homological dimension of X concerning Gorenstein injective preenvelope and the Gorenstein dimension of X is studied.
作者 吴德军 赵晓宇 WU De-jun;ZHAO Xiao-yu(School of Science,Lanzhou Univ.of Tech.,Lanzhou 730050,China)
出处 《兰州理工大学学报》 CAS 北大核心 2023年第5期157-162,共6页 Journal of Lanzhou University of Technology
基金 国家自然科学基金(12261056)。
关键词 特殊的Gorenstein内射预包络 同调维数 几乎余同构 special Gorenstein injective preenvelope homological dimension almost coisomorphic
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