International Journal of Mathematics and Mathematical Sciences
Volume 30 (2002), Issue 10, Pages 605-611
doi:10.1155/S0161171202110349

Common fixed point theorems for a weak distance in complete metric spaces

Jeong Sheok Ume and Sucheol Yi

Department of Applied Mathematics, Changwon National University, Changwon 641-773, Korea

Abstract

Using the concept of a w-distance, we obtain common fixed point theorems on complete metric spaces. Our results generalize the corresponding theorems of Jungck, Fisher, Dien, and Liu.