数学物理学报

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具连续变量差分方程非振动解在脉冲扰动下的保持性

魏耿平;申建华   

  1. 怀化学院数学系 怀化 418008
  • 收稿日期:2004-06-06 修回日期:2005-11-30 出版日期:2006-08-25 发布日期:2006-08-25
  • 通讯作者: 魏耿平
  • 基金资助:
    国家自然科学基金(10071018)和教育部优秀青年教师计划项目资助

The Persistence of Nonoscillatory Solutions of Difference Equations Under Impulsive Perturbations

Wei Gengping; Shen Jianhua   

  1. Department of Mathematics, Huaihua College, Huaihua 418008
  • Received:2004-06-06 Revised:2005-11-30 Online:2006-08-25 Published:2006-08-25
  • Contact: Wei Gengping

摘要: 获得具连续变量差分方程
x(t+τ)-x(t)+p(t)x(t-rτ)=0

的非振动解在脉冲扰动x(tk+τ)-x(tk)=b_kx(tk), k∈N(1)下具有保持性的充分条件.

关键词: 保持性;非振动解;脉冲扰动;具连续变量差分方程

Abstract:
The authors obtain a sufficient condition for the persistence of nonoscillatory solutions of the difference equation with continuous variable

x(t+τ)-x(t)+p(t)x(t-rτ)=0

under the impulsive perturbations x(tk+τ)-x(tk)=b_kx(tk), k∈N(1)

Key words:
Persistence,
Nonoscillatory solution, Impulsive perturbation, Difference equation with continuous variable

中图分类号: 

  • 34K15