Institute of Mathematics, Lajos Kossuth University, 4010 Debrecen, P.O. Box 12, Hungary ; Department of Basic Sciences, Faculty of Civil Engineering, University of Maribor, Smetanova 17, 2000 Maribor, Slovenia
Abstract:
We show that with few exceptions every local isometric automorphism of the group algebra of a compact metric group is an isometric automorphism.