摘要
利用范数形式的锥拉伸与压缩不动点定理获得了四阶四点Sturm-Liouville边值问题存在正解的若干充分条件.
Some sufficient conditions for the existence of positive solution to fourth-order four-point Sturm -Liouville boundary value problem are obtained by using the fixed-point theorem concerning cone expansion and compression of norm type.
出处
《西北师范大学学报（自然科学版）》
CAS
北大核心
2009年第2期1-4,共4页
Journal of Northwest Normal University(Natural Science)
基金
国家自然科学基金资助项目(10801068)
