Fixed Point Theory and Applications
Volume 2009 (2009), Article ID 129124, 8 pages
doi:10.1155/2009/129124

Fixed Point Theorems for a Weaker Meir-Keeler Type ψ-Set Contraction in Metric Spaces

Chi-Ming Chen and Tong-Huei Chang

Department of Applied Mathematics, National Hsinchu University of Education, Hsinchu 300, Taiwan

Abstract

We define a weaker Meir-Keeler type function and establish the fixed point theorems for a weaker Meir-Keeler type ψ-set contraction in metric spaces.