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author:

谭宜家 (谭宜家.) [1]

Indexed by:

PKU CSCD

Abstract:

设R是有单位元的结合环,I,J分别是R的补右零化子集和补左零化子集,Z_r(R),Z_l (R)分别是R的右奇异理想和左奇异理想.证明了如果存在互素的正整数m,n,使得任意x∈RI,y∈RJ均满足(xy)~k=x~ky~k,其中k=m,m+1,n,n+1;或者任意x∈RJ,y∈RI均满足(xy)~k=y~kx~k,其中k=m-1,m,n-1,n是正整数,那么R是交换环.特别地,如果对于I=N(R)∪J(R)∪Z_r(R)和J=N(R)∪J(R)∪Z_l (R),存在正整数m,使得任意x∈RI,y∈RJ均满足(xy)~k=~xky~k,其中k=m,m+1,m+2;或者任意x∈RJ,y∈RI均满足(xy)~k=y~kx~k,其中k=m-1,m,m+1,那么R是交换环.

Keyword:

交换环 补右零化子集 补左零化子集

Community:

  • [ 1 ] 福州大学数学与统计学院

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Source :

数学进展

Year: 2023

Issue: 04

Volume: 52

Page: 611-618

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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