摘要
本文在较弱的条件下推广和改进了K.Fan的零点存在性定理与重合定理,同时也改进了K.K.
This paper generalize and improve K. Fan's existence theorem of zore and coincidence theorem of set-valued map, and improve K. K. Tan's a main lemma for coincidence.
关键词
集值映射
零点
重合
不动点
zore, coincidence, fixed point, upper semicontinous, tangent cone
