International Journal of Mathematics and Mathematical Sciences
Volume 25 (2001), Issue 2, Pages 73-91
doi:10.1155/S0161171201004392
Isometries and approximate isometries
Themistocles M. Rassias
Department of Mathematics, National Technical University of Athens, Zografou Campus, Athens 15780, Greece
Abstract
Some properties of isometric mappings as well as approximate isometries are studied.