Fixed Point Theory and Applications
Volume 2007 (2007), Article ID 34248, 8 pages
Research Article

Existence and Data Dependence of Fixed Points and Strict Fixed Points for Contractive-Type Multivalued Operators

Cristian Chifu1 and Gabriela Petruşel2

1Department of Business, Faculty of Business, Babeş-Bolyai University Cluj-Napoca, Horea 7, Cluj-Napoca 400174, Romania
2Department of Applied Mathematics, Faculty of Mathematics and Computer Science, Babeş-Bolyai University Cluj-Napoca, Kogălniceanu 1, Cluj-Napoca 400084, Romania

Received 21 October 2006; Revised 1 December 2006; Accepted 2 December 2006

Academic Editor: Simeon Reich

Copyright © 2007 Cristian Chifu and Gabriela Petruşel. 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 purpose of this paper is to present several existence and data dependence results of the fixed points of some multivalued generalized contractions in complete metric spaces. As for application, a continuation result is given.