DEGREE THEORY FOR MULTIVALUED (S) TYPE MAPPINGS AND FIXED POINT THEOREMS

• 作 者: 张石生 陈玉清
• 出 处: 应用数学和力学：英文版
• 发表日期: 1990年5期
• 关键词: MONOTONE maximal topological convex devoted proof utilize DUALITY SUBSET ASSUMPT
• 基金项目: National Natural Science Founation of China

The main purpose of this paper is devoted to generalizing the results of Browder.This paper consists of four parts.In the first part,we introduce the concepts ofmultivalued(S)and(S)_+,type mappings and the concepts of the limits of multivalued(S)and(S)_+t