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一类三阶时滞Duffing型方程周期解的存在唯一性
引用本文:沈钦锐,周宗福. 一类三阶时滞Duffing型方程周期解的存在唯一性[J]. 厦门水产学院学报, 2012, 0(2): 142-146
作者姓名:沈钦锐  周宗福
作者单位:安徽大学数学科学学院,安徽合肥230039
基金项目:国家自然科学基金资助项目(11071001); 安徽省教育厅重点基金资助项目(KJ2009A005Z); 高校博士点专项科研基金资助项目(20093401110001); 安徽大学学术创新团队基金资助项目(KJTD002B)
摘    要:利用重合度理论,研究一类三阶时滞Duffing泛函微分方程x(t)+∑2i=1[aix(i)(t)+bix(i)(t-τi)]+cx(t)+g1(t,x(t))+g2(t,x(t-τ(t)))=e(t)的T-周期解问题,获得了该方程T-周期解存在性和唯一性的若干新结果.

关 键 词:三阶泛函微分方程  周期解  重合度

Existence and Uniqueness of Periodic Solution for a Third Order Duffing Equation with Delay
SHEN Qin-rui,ZHOU Zong-fu. Existence and Uniqueness of Periodic Solution for a Third Order Duffing Equation with Delay[J]. , 2012, 0(2): 142-146
Authors:SHEN Qin-rui  ZHOU Zong-fu
Affiliation:(School of Mathematical Science,Anhui University,Hefei 230039,China)
Abstract:By means of the theory of coincidence degree,a type of third order functional differential equation with delays x'''(t)+∑2 i=1[aix(i)(t)+bix(i)(t-τi)]+cx(t)+g1(t,x(t))+g2(t,x(t-τ(t)))=e(t) was considered.The sufficient condition for the existence of unique T-periodic solution was obtained.
Keywords:third order functional differential solution  periodic solution  coincidence degree
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