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
Received 15 October 1999

Abstract

Some properties of isometric mappings as well as approximate isometries are studied.