International Journal of Mathematics and Mathematical Sciences
Volume 27 (2001), Issue 11, Pages 701-706
doi:10.1155/S0161171201007190
An extension of a theorem of Sahab, Khan, and Sessa
1Department of Mathematical Sciences, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
2Center for Advanced Studies in Pure and Applied Mathematics, Bahauddin Zakariya University, Multan 60800, Pakistan
Received 20 March 2001
Copyright © 2001 A. R. Khan and N. Hussain. 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
A fixed point theorem of Fisher and Sessa is generalized to locally convex spaces and the new result is applied to extend a recent theorem on invariant approximation of Sahab, Khan, and
Sessa.