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关于DG-Gorenstein AC-内射复形的一个注记 被引量:1

A note on DG-Gorenstein AC-injective complexes
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摘要 引入并研究了DG-Gorenstein AC-内射复形的概念,证明了在任意环上复形G是DG-Gorenstein AC-内射复形当且仅当G是正合的,对任意整数n,Z_(n)(G)是Gorenstein AC-内射模且对任意的DG-FP_(∞)-内射复形A,复形同态f:A→G是零伦的。 The notion of DG-Gorenstein AC-injective complexes is introduced and studied.It is proven that over any ring a complex G is DG-Gorenstein AC-injective if and only if G is exact with Z_(n)(G)Gorenstein AC-injective in R-Mod for any integer n and any homomorphism f:A→G is null homotopic whenever A is a DG-FP_(∞)-injective complex.
作者 汪鑫 卢博 WANG Xin;LU Bo(College of Mathematics and Computer Science,Northwest Minzu University,Lanzhou 730030,Gansu,China)
出处 《山东大学学报(理学版)》 CAS CSCD 北大核心 2023年第2期72-78,共7页 Journal of Shandong University(Natural Science)
基金 国家自然科学基金资助项目(12061061) 甘肃省教育厅青年博士基金项目(2021QB-066) 中央高校基本科研业务经费(31920210082) 西北民族大学创新团队项目(1110130131)。
关键词 DG-Gorenstein AC-内射复形 Gorenstein AC-内射模 DG-FP_(∞)-内射复形 DG-Gorenstein AC-injective complex Gorenstein AC-injective module DG-FP_(∞)-injective complex
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