J4 ›› 2012, Vol. 50 ›› Issue (05): 965-968.

• 数学 • 上一篇    下一篇

阻尼奇异微分方程周期解的扭转性

丁锦红   

  1. 河海大学 理学院数学系, 南京 210098
  • 收稿日期:2011-11-23 出版日期:2012-09-26 发布日期:2012-09-29
  • 通讯作者: 丁锦红 E-mail:guantangding@163.com

Twist Periodic Solution of Damped Singular Differential Equations

DING Jinhong   

  1. Department of Mathematics, College of Science, Hohai University, Nanjing 210098, China
  • Received:2011-11-23 Online:2012-09-26 Published:2012-09-29
  • Contact: DING Jinhong E-mail:guantangding@163.com

摘要:

利用牛顿方程的第一扭转系数公式和三阶近似方法, 研究二阶非线性阻尼奇异微分方程周期解的Lyapunov稳定性, 并给出了其稳定的一个充分条件.

关键词: Lyapunov稳定性, 周期解, 扭转系数, 三阶近似, 奇异微分方

Abstract:

Using the formula of the first twist coefficient for Newtonian equations and the thirdorder approximation method, we studied the Lyapunov stability of periodic solutions for a nonlinear damped singular differential equations. Moreover, we presented a sufficient condition for the nonlinear damped singular differential equation.

Key words: Lyapunov stability, periodic solution, twist coefficient, thirdorder approximation, singular differential equations

中图分类号: 

  • O175.1