摘要
利用锥映射的拓扑度理论与上、下解方法获得了有序Banach空间中二阶常微分方程周期边值问题的多解存在性定理.
Existence and multiplicity of periodic solutions are obtained by using cone mapping theory and supersolution and subsolution method for second order ordinary differential equations in ordered Banach spaces.
出处
《西北师范大学学报（自然科学版）》
CAS
2004年第1期13-15,共3页
Journal of Northwest Normal University(Natural Science)
关键词
锥映射
周期解
正规锥
不动点
cone mapping
periodic solution
normal cone
fixed point
