Homological Properties of Modules with Finite Weak Injective and Weak Flat Dimensions

被引：8
|
作者：
Zhao, Tiwei [1 ]
机构：
[1] Nanjing Univ, Dept Math, Nanjing 210093, Jiangsu, Peoples R China
来源：
BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY | 2018年 / 41卷 / 02期
关键词：
Weak injective module; Weak flat module; Weak derived functor; Weak injective cover; Weak injective envelope; ABSOLUTELY PURE MODULES; PROJECTIVE DIMENSIONS; COHERENT RINGS; COVERS; ENVELOPES;
D O I：
10.1007/s40840-016-0365-8
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper, we define a class of relative derived functors in terms of left or right weak flat resolutions to compute the weak flat dimension of modules. Moreover, we investigate two classes of modules larger than those of weak injective and weak flat modules, study the existence of covers and preenvelopes, and give some applications.
引用
收藏
页码：779 / 805
页数：27
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