International Journal of Mathematics and Mathematical Sciences 
Volume 21 (1998), Issue 2, Pages 409-410
doi:10.1155/S0161171298000568

A subset of metric preserving functions

Robert W. Vallin

Department of Mathematics, Slippery Rock University of Pennsylvania, Slippery Rock 16057, Pennsylvania, USA

Received 15 April 1996; Revised 17 June 1996

Abstract

In this paper we define a subset of metric preserving functions and give some examples and a characterization ofthis subset.