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Banach空间中的积分算子不动点定理及其应用
Multiple Postive Solutions of Nonlinear Multi-Point Boundary Value Problem in Banach Spaces
【摘要】 利用不动点指数理论得到了若干个积分算子的不动点定理,这些结论可用于研究许多边值问题.利用这些结论研究了Banach空间中二阶两点边值问题正解的存在性,特别的,在有些情况下去掉了Banach空间中的锥必须是正规的这一条件限制,而这一条件限制在许多文献中是必须的.
【Abstract】 Some fixed point theorems of integral operator are given firstly by using fixed point index theory.These results can be used to solve many problems.In this paper,applying these results,we study the existence of positive solutions for two-point boundary value problems in Banach spaces.Particularly,sometimes,we don’t need that the cone in Banach space is normal,which is essential for the technique used in many papers.
【关键词】 Banach空间;
积分算子;
Kuratowski非紧性测度;
严格集压缩映射;
边值问题;
【Key words】 Banach space; integral operator; Kuratowski measure of noncompactness; strict set contraction; boundary value problem;
【Key words】 Banach space; integral operator; Kuratowski measure of noncompactness; strict set contraction; boundary value problem;
【基金】 国家自然科学基金(11171088);河北科技大学博士基金(QD201020);河北省教育厅基金(2008153)
- 【文献出处】 数学的实践与认识 ,Mathematics in Practice and Theory , 编辑部邮箱 ,2012年11期
- 【分类号】O177.91
- 【被引频次】1
- 【下载频次】151