Fixed Point Theory and Applications
Volume 2009 (2009), Article ID 125426, 8 pages
doi:10.1155/2009/125426
Research Article

Some Coupled Fixed Point Theorems in Cone Metric Spaces

F. Sabetghadam,1 H. P. Masiha,1 and A. H. Sanatpour2

1Department of Mathematics, K. N. Toosi University of Technology, Tehran, 16315-1618, Iran
2Department of Mathematics, Tarbiat Moallem University, Tehran, 15618-36314, Iran

Received 17 July 2009; Revised 23 September 2009; Accepted 28 September 2009

Academic Editor: Jerzy Jezierski

Copyright © 2009 F. Sabetghadam 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.

Abstract

We prove some coupled fixed point theorems for mappings satisfying different contractive conditions on complete cone metric spaces.