SKEW CATEGORIES, SMASH PRODUCT CATEGORIES AND QUASI-KOSZUL CATEGORIES

被引:0
|
作者
Zhao, Deke [1 ]
机构
[1] Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
关键词
Skew categories; smash product categories; quasi-Koszul categories; group-graded categories; RINGS;
D O I
10.1090/S0002-9939-2011-10695-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let A be a small additive Krull-Schmidt locally radical finite category over a field K and let G be a finite group. We show that if A is a free G-category (resp. G-graded category), then A is quasi-Koszul if and only if the skew (resp. smash product) category G * A (resp. A#G) is.
引用
收藏
页码:2657 / 2662
页数:6
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