一类一阶中立型泛函微分方程的三个非负周期解的存在性 |
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引用本文:蒋明霞.一类一阶中立型泛函微分方程的三个非负周期解的存在性[J].经济数学,2012,(2):21-27 |
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中文摘要:本文研究了一类一阶中立型泛函微分方程周期解的存在性问题. 采用合适的算子并应用Leggett-Williams不动点定理, 获得了该方程具有三个非负 ω-周期解的充分条件 |
中文关键词:中立型泛函微分方程 周期解 Leggett-Williams不动点定理 |
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Three Postive Periodic Solutions for a Class of Second-order Neutral Functional Differential Equations |
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Abstract:We studied the existence of periodic solution of a class of first-order neutral functionaldifferential equation. By using the Leggett-Williams fixed point theorem and choosing available operator, we obtained the sufficient conditions for the existence of three positive ω -period solutions to this equation. |
keywords:neutral functional differential equation periodic solution Leggett-Williams fixed point theorem |
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