Auslander’s defect formula and a commutative triangle in an exact category  

作　　者：Pengjie JIAO 

机构地区：[1]Department of Mathematics,China Jiliang University,Hangzhou 310018,China

出　　处：《Frontiers of Mathematics in China》2020年第1期115-125,共11页中国高等学校学术文摘·数学（英文）

基　　金：the National Natural Science Foundation of China(Grant No.11901545).

摘　　要：We prove Auslander’s defect formula in an exact category,and obtain a commutative triangle involving the Auslander bijections and the generalized Auslander Reiten duality.

关 键 词：Auslander’s DEFECT FORMULA Auslander BIJECTIONS MORPHISMS determined by objects 

分 类 号：O15[理学—数学]