Fixed points of nonexpansive condensing multivalued mappings on metric spaces
Chi-Lin Yen · Proceedings of the American Mathematical Society · 1982
In this paper we consider the existence of fixed points of nonexpansive condensing multi-valued mappings from a certain kind of metric space into itself; the spaces, here, are neither linear nor compact. Our result generalizes a theorem of Dotson and also a theorem of Bose and Mukherjee in some respect.