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关于Dufing方程周期解的存在性与唯一性 被引量:6

Existence and Uniqueness of Periodic Solutions of an Equation of Duffing Type
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摘要 采用Lyapunov-Schmidt约化结合Sturm特征值比较方法,将二阶Duffing方程转化为单个函数方程.通过研究函数的单调性,给出Duffing方程的周期解的存在性与唯一性. This paper obtains the existence and uniqueness of periodic solutions of the second order equation of Duffing type by means of Lyapunov- Schmidt reduction combining with Sturm comparison argument.
出处 《数学年刊(A辑)》 CSCD 北大核心 2006年第6期723-730,共8页 Chinese Annals of Mathematics
关键词 周期解 拓扑度 L—S约化方法 Periodic solution, Lyapunov-Schmidt reduction, Duffing equation.
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