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一类二阶非线性迭代微分方程的周期解

唐美兰1, 刘心歌1, 刘心笔2   

  1. 1.中南大学 数学科学与计算技术学院, 长沙 410083 2.中南大学 材料科学与工程学院, 长沙 410083
  • 收稿日期:2005-06-09 修回日期:1900-01-01 出版日期:2006-07-26 发布日期:2006-07-26
  • 通讯作者: 唐美兰

Periodic Solutions to a Class of Second Order NonlinearDifferentialiterative Equations

TANG Meilan1, LIU Xinge1,LIU Xinbi2   

  1. 1.School of Mathematical Sciences and Computing Technology, Central South University, Changsha 410083, China 2.School of Materials Science and Engineering, Central South University, Changsha 410083, China
  • Received:2005-06-09 Revised:1900-01-01 Online:2006-07-26 Published:2006-07-26
  • Contact: TANG Meilan

摘要: 用更精确的先验估计及重合度理论研究一类二阶迭 代微分方程x¨(t)+g(x(x(t)))=f(t,x(t),x·(t))周期解的存在性, 得出了周期解存在的充分条件.

关键词: 迭代泛函微分方程, 周期解, 拓扑度

Abstract: By means of better prior estimate and the topologial degree, the existence of periodic solutions to a class of the second order functional differentialiterative equations x¨(t)+g(x(x(t)))=f(t,x(t),x·(t)) was studied, and sufficient conditions of the equation with periodic solutions were obtained.

Key words: functional differentialiterative equation, periodic solution, topologial degree

中图分类号: 

  • O175