1. Mathematics Research Unit, FSTC, University of Luxembourg, 6, rue Coudenhove-Kalergi, 1359, Luxembourg, Luxembourg 2. Department of Mathematics, University of Liège, Grande Traverse, 12-B37, 4000, Liège, Belgium
Abstract:
We describe the class of n-variable polynomial functions that satisfy Aczél’s bisymmetry property over an arbitrary integral domain of characteristic zero with identity.