FIXED POINT INDEXES AND ITS APPLICATIONS TO NONLINEAR INTEGRAL EQUATIONS MODELLING INFECTIOUS DISEAS

• 作 者: 张石生 边文明
• 机 构: SichuanUniversity,Chengdu,HenanNormalUniversity,Kaifeng
• 出 处: 应用数学和力学：英文版
• 发表日期: 1989年5期
• 关键词: utilize operators MODELLING CONVEX ASSUMPTION INFECTIOUS satisfied hence applyin
• 基金项目: Project supported by National Natural Science Foundation of China

In this paper the fixed point index problem for a class of positive operators with boundary control conditions is discussed,and some sufficient conditions for the fixed pointindex to be equal to1 or 0 are given.Moreover,a general fixed point theorem of ex