期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：1998
卷号：21
DOI：10.1155/S0161171298000179
出版社：Hindawi Publishing Corporation
摘要：We give a theorem for nonconvex topological vector spaces which yields the
classical fixed point theorems of Ky Fan, Kim, Kaczynski, Kelly and Namioka as immediate
consequences, and prove a new fixed point theorem for set-valued maps on arbitrary topological
vector spaces.
