A COMMUTATIVITY THEOREM FOR RINGS

被引:0
|
作者
KOMATSU, H [1 ]
NISHINAKA, T [1 ]
TOMINAGA, H [1 ]
机构
[1] OKAYAMA UNIV,DEPT MATH,OKAYAMA 700,JAPAN
关键词
D O I
10.1017/S0004972700029889
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove the following theorem: Let R be a ring, l a positive integer, and n a non-negative integer. If for each x, y is-an-element-of R, either xy = yx or xy = x(n) f(y)x(l) for some f(X) is-an-element-of X2Z[X], then R is commutative.
引用
收藏
页码:387 / 389
页数:3
相关论文
共 50 条