International Journal of Mathematics and Mathematical Sciences 
Volume 25 (2001), Issue 6, Pages 411-415
doi:10.1155/S0161171201001818

Common fixed points of set-valued mappings

M. R. Singh,1 L. S. Singh,2 and P. P. Murthy3

 1Department of Mathematics, Manipur University, Canchipur, Imphal 795 003, Manipur, India
2Department of Mathematics, D.M. College of Science, Imphal 795 001, Manipur, India
3Department of Mathematics, Arignar Anna Government Arts College, Karaikal U.T.-609605, Pondichery, India
Received 27 August 1996; Revised 8 July 1998

Abstract

The main purpose of this paper is to obtain a common fixed point for a pair of set-valued mappings of Greguš type condition. Our theorem extend Diviccaro et al. (1987), Guay et al. (1982), and Negoescu (1989).