Almost Fixed Points and Fixed Points of Upper [Lower] Semicontinuous Multimap on Locally G-convex S

• 作 者: 朴勇杰
• 机 构: DepartmentofMathematics
• 出 处: 东北数学：英文版
• 发表日期: 2005年4期
• 关键词: G凸空间 半连续性 固定点理论 KKM理论 G-convex space upper [lower] semicontinuous locally G-co
• 基金项目: The NNSF （10361005） of China.

<正>In this paper, we use the well known KKM type theorem for generalized convex spaces due to Park (Elements of the KKM theory for generalized convex spaces, Korean J. Comp. Appl. Math., 7(2000), 1-28) to obtain an almost fixed point theorem for upp