A characterization of σ-rigid rings

被引：17
|
作者：
Matczuk, J [1 ]
机构：
[1] Warsaw Univ, Inst Math, PL-02097 Warsaw, Poland
来源：
COMMUNICATIONS IN ALGEBRA | 2004年 / 32卷 / 11期
关键词：
ore extensions; sigma-rigid rings; Armendariz rings; reduced rings;
D O I：
10.1081/AGB-200034148
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Let a be an endomorphism of a ring R. It is shown that R is sigma-rigid iff sigma is injective, R is reduced and sigma-skew Armendariz. This gives a positive answer to the question posed in Hong et al.
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收藏
页码：4333 / 4336
页数：4
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