ON COMMUTATIVITY AND STRONG COMMUTATIVITY-PRESERVING MAPS

被引:123
|
作者
BELL, HE
DAIF, MN
机构
[1] BROCK UNIV,DEPT MATH,ST CATHARINES,ON L2S 3A1,CANADA
[2] UMM AL QURA UNIV,FAC EDUC,DEPT MATH,TAIF,SAUDI ARABIA
关键词
D O I
10.4153/CMB-1994-064-x
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
If R is a ring and S C R, a mapping f:R --> R is called strong commutativity-preserving (scp) on S if [x,y] = [f(x),f(y)] for all x, y is-an-element-of S. We investigate commutativity in prime and semiprime rings admitting a derivation or an endomorphism which is scp on a nonzero right ideal.
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页码:443 / 447
页数:5
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