节点文献
一类高阶非线性微分方程的正周期解
Positive Periodic Solutions for a Class of Nonlinear Higher Order Differential Equations
【摘要】 应用Krasnoselskii锥映射不动点定理,研究了一类高阶非线性常微分方程Lnu=f(t,u(t))的ω-周期解的存在性,获得了正ω-周期解存在性的充分性条件.
【Abstract】 In this paper,the existence of ω-periodic solutions for a class of nonlinear higher order ordinary differential equations Lnu=f(t,u(t)) is studied.By using Krasnoselskii fixed point theorem of cone map,the existence of positive ω-periodic solutions is proved.
【关键词】 n阶常微分方程;
正ω-周期解;
闭凸锥;
锥映射不动点定理;
【Key words】 n-th order differential equation; positive periodic solution; closed convex cone; fixed point of cone map;
【Key words】 n-th order differential equation; positive periodic solution; closed convex cone; fixed point of cone map;
【基金】 甘肃省教育厅硕士研究生导师计划(0710-04,0810-03)资助项目
- 【文献出处】 四川师范大学学报(自然科学版) ,Journal of Sichuan Normal University(Natural Science) , 编辑部邮箱 ,2010年02期
- 【分类号】O175.5
- 【被引频次】4
- 【下载频次】101