Selforthogonal modules with finite injective dimension

被引：0
|
作者：
Zhaoyong Huang
机构：
[1] Beijing Normal University,Department of Mathematics
来源：
Science in China Series A: Mathematics | 2000年 / 43卷
关键词：
injective dimension; selforthogonal modules; cotilting (bi) modules; homologically finite subcategories; left orthogonal dimension;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The category consisting of finitely generated modules which are left orthogonal with a cotilting bimodule is shown to be functorially finite. The notion of left orthogonal dimension is introduced, and then a necessary and sufficient condition of selforthogonal modules having finite injective dimension and a characterization of cotilting modules are given.
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页码：1174 / 1181
页数：7
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