International Journal of Mathematics and Mathematical Sciences
Volume 2012 (2012), Article ID 213876, 19 pages
http://dx.doi.org/10.1155/2012/213876
Research Article

Some Generalizations of Jungck's Fixed Point Theorem

J. R. Morales1 and E. M. Rojas2

1Departamento de Matemáticas, Universidad de Los Andes, Mérida 5101, Venezuela
2Departamento de Matemáticas, Pontificia Universidad Javeriana, Bogotá, Colombia

Received 28 March 2012; Revised 25 July 2012; Accepted 24 September 2012

Academic Editor: A. Zayed

Copyright © 2012 J. R. Morales and E. M. Rojas. 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.

Abstract

We are going to generalize the Jungck's fixed point theorem for commuting mappings by mean of the concepts of altering distance functions and compatible pair of mappings, as well as, by using contractive inequalities of integral type and contractive inequalities depending on another function.