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
A.R. Khan1
and N. Hussain2
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
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.