一类具时滞2n阶非线性常微分方程周期解的存在性  

Existence of Periodic Solutions for Nonlinear 2nth Order Ordinary Differential Equation with Delay

作　　者：武延树[1] 

机构地区：[1]滨州学院数学与信息科学系,山东滨州256603

出　　处：《数学的实践与认识》2009年第19期243-248,共6页Mathematics in Practice and Theory

摘　　要：通过应用拓扑度的方法,获得了一类具时滞2n阶非线性微分方程2π周期解的存在性的充分条件.By applying the theory of coincidence degree, we establish the existence of 2π- periodic solusions for a class of nonlinear 2nth Order Ordinary Differential Equation with Delay.

关 键 词：重合度 非线性 周期解 

分 类 号：O175[理学—数学]