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一类带时滞的Duffing方程概周期解的存在性 被引量:1

The existence of almost periodic solution of a class Duffing equations with delay
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摘要 运用压缩映射原理,研究如下非自治系统:x″(t)+cx'(t)-a(t)x(t)+b(t)xm(t-κ(t))=p(t)的概周期解的存在唯一性,并给出其概周期解存在且唯一的充分条件.所得结果推广了冯春华的主要结果及ZhouQiyuan等的有关结果. By means of contraction mapping principle, the existence and uniqueness of almost periodic solutions of the following non -autonomous system x^n ( t ) + cx ' ( t ) - a ( t ) x ( t ) + b ( t ) x^m ( t - K ( t ) ) = p (t) is investigated. The sufficient conditions of the existence and uniqueness of almost periodic solutions is given. Our results extend the main results of Feng Chunhua and the relative results of Zhou Qiyuan.
出处 《福州大学学报(自然科学版)》 CAS CSCD 北大核心 2011年第3期329-333,366,共6页 Journal of Fuzhou University(Natural Science Edition)
基金 福建省教育厅科研资助项目(JA08010 JB09002)
关键词 时滞Duffing方程 压缩映射 概周期解 delayed Duffing equations contraction mapping almost periodic solution
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参考文献5

  • 1Wang Zhengxin, Qian Longxia, Lu Shiping, etal. The existence and uniqueness of periodic solutions for a kind of Duigmg - type equation with two deviating arguments[J]. Nonlinear Analysis, 2010, 73: 3034-3043.
  • 2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. 被引量:2
  • 3冯春华.时滞Duffing方程的概周期解[J].广西科学,2002,9(3):169-170. 被引量:8
  • 4Zhou Qiyuan, Liu Bingwen. New results on almost periodic solutions for a class of nonlinear Duffmg equations with a deviating argument[J]. Appl Math Lett, 2009, 22:6 - 11.
  • 5Fink A M. Almost periodic differential equations[ M]//Lecture notes in mathematics: Volume 377. Berlin: Springer- Verlag, 1974: 80-112.

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