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高阶非线性微分方程的周期解
引用本文:陈新一.高阶非线性微分方程的周期解[J].山东大学学报(理学版),2009,44(10):43-47.
作者姓名:陈新一
作者单位:西北民族大学中国民族信息技术研究院, 甘肃 兰州 730030
摘    要:利用重合度理论研究一类高阶时滞微分方程x(n)(t)+h(x´(t))+f(x(t))x´(t)+g(x(t-τ(t)))=p(t)周期解问题,得到T(T>0)周期解存在性的新结果,推广了已有的结果。

关 键 词:高阶微分方程  周期解  重合度  
收稿时间:2009-03-08

Periodic solution of the higher order nonlinear differential equation
CHEN Xin-Yi.Periodic solution of the higher order nonlinear differential equation[J].Journal of Shandong University,2009,44(10):43-47.
Authors:CHEN Xin-Yi
Institution:China Minorities Information Technology Institute, Northwest University for Nationalities, Lanzhou 730030, Gansu, China
Abstract:By employing the coincidence degree, a kind of higher order differential equations with delay  and the equation x(n)(t)+h(x´(t))+f(x(t))x´(t)+g(x(t-τ(t)))=p(t) are studied. Some new results on the existence of  T(T>0) periodic solutions are obtained, which generalizes the known results.
Keywords:higher order differential equation  periodic solution  coincidence degree
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