ISOMORPHISMS BETWEEN ENDOMORPHISM-RINGS OF MODULES

被引:4
|
作者
WOLFSON, KG [1 ]
机构
[1] RUTGERS STATE UNIV,DEPT MATH,NEW BRUNSWICK,NJ 08903
关键词
D O I
10.2307/2160929
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We derive a necessary and sufficient condition that an isomorphism between the endomorphism rings of modules be induced by a semi-linear isomorphism of the modules. We require that at least one of the modules contain a non-zero free summand, generalizing work of Xu, who required both modules to be free.
引用
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页码:1971 / 1973
页数:3
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