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Abstract and Applied Analysis
Volume 2014, Article ID 568718, 18 pages
Research Article

Coupled and Tripled Coincidence Point Results with Application to Fredholm Integral Equations

1Department of Mathematics, King AbdulAziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
2Department of Mathematics, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
3Department of Mathematics, Gilan-E-Gharb Branch, Islamic Azad University, Gilan-E-Gharb, Iran

Received 25 January 2014; Accepted 29 March 2014; Published 18 May 2014

Academic Editor: Ljubomir B. Ćirić

Copyright © 2014 Marwan Amin Kutbi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of this paper is to define weak ---contractive mappings and to establish coupled and tripled coincidence point theorems for such mappings defined on -metric spaces using the concept of rectangular --admissibility. As an application, we derive new coupled and tripled coincidence point results for weak --contractive mappings in partially ordered -metric spaces. Our results are generalizations and extensions of some recent results in the literature. We also present an example as well as an application to nonlinear Fredholm integral equations in order to illustrate the effectiveness of our results.