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一类二阶迭代微分方程的周期解
引用本文:刘锡平,贾梅.一类二阶迭代微分方程的周期解[J].应用数学学报,2004,27(3):481-488.
作者姓名:刘锡平  贾梅
作者单位:上海理工大学理学院,上海,200093
基金项目:上海市高校青年科研基金(No.02GQ24),上海理工大学青年基金资助项目.
摘    要:利用拓扑度理论研究了一类二阶迭代泛函微分方程x(t) g(x(x(t)))=f(t,x(t),x(t))的周期解的存在性,得出了周期解存在的充分条件.

关 键 词:周期解  二阶迭代泛函微分方程  拓扑度  线性同胚映射  投影算子

PERIODIC SOLUTIONS TO A TYPE OF SECOND ORDER DIFFERENTIAL-ITERATIVE EQUATIONS
Liu Xiping,JIA Mei.PERIODIC SOLUTIONS TO A TYPE OF SECOND ORDER DIFFERENTIAL-ITERATIVE EQUATIONS[J].Acta Mathematicae Applicatae Sinica,2004,27(3):481-488.
Authors:Liu Xiping  JIA Mei
Abstract:The existence of periodic solutions to a type of the second order functional differen- tial-iterative equations x(t) g(x(x(t))) = f(t,x(t),x(t)) is studied by means of the methods presented in the topological degree theory, and sufficient condition of the equation with periodic solutions is obtained.
Keywords:Functional difi'erential-iterative equation  periodic solution  topological degree
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