On Characterizations of Fixed and Common Fixed Points

Author: Liu Z.   Xu Y.   debnath Y.L.J.  

Publisher: Academic Press

ISSN: 0022-247X

Source: Journal of Mathematical Analysis and Applications, Vol.222, Iss.2, 1998-06, pp. : 494-504

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Abstract

In this paper we give necessary and sufficient conditions for the existence of fixed and common fixed points of self-mappings of metric spaces. Our results generalize, improve, and unify some results of Chang, Jungck, Fisher, and Dien. Copyright 1998 Academic Press.