Gorenstein injective and projective modules and actions of finite-dimensional Hopf algebras

被引:7
|
作者
Antonio Lopez-Ramos, Juan [1 ]
机构
[1] Univ Almeria, Dept Algebra & Anal Matemat, ES-04120 Almeria, Spain
来源
ARKIV FOR MATEMATIK | 2008年 / 46卷 / 02期
关键词
D O I
10.1007/s11512-007-0053-x
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We study the stability of Gorenstein preenvelopes and precovers in the cases of H-extensions and smash products with H, where H is a Hopf algebra. We use these to define Gorenstein dimensions and give new examples of the so-called Gorenstein categories.
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页码:349 / 361
页数:13
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