Relative approximations and Maschke functors

被引：1
作者：
Zhu, B [1 ]
机构：
[1] Tsing Hua Univ, Dept Math Sci, Beijing 100084, Peoples R China
来源：
BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY | 2003年 / 67卷 / 02期
关键词：
D O I：
10.1017/S0004972700033682
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The notion of approximations relative to a functor is introduced and several characterisations of relative (dual) Maschke functors are given by using them. As an application, the injective objects in the category of comodules over a coring are described.
引用
收藏
页码：219 / 224
页数：6
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