International Journal of Mathematics and Mathematical Sciences
Volume 29 (2002), Issue 9, Pages 525-530
doi:10.1155/S0161171202008074
A combinatorial commutativity property for rings
Howard E. Bell1
and Abraham A. Klein2
1Department of Mathematics, Brock University, Ontario, St. Catharines L2S 3A1, Canada
2Sackler Faculty of Exact Sciences, School of Mathematical Sciences, Tel Aviv University, Tel Aviv 69978, Israel
Abstract
We study commutativity in rings R with the property that for a fixed positive integer n, xS=Sx for all x∈R and all n-subsets S of R.