Acta mathematica scientia,Series A ›› 2018, Vol. 38 ›› Issue (1): 96-109.

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Long-Time Stability of Nonlinear Neutral Differential Equations with Variable Delay

Wang Wansheng, Zhong Peng, Zhao Xinyang   

  1. School of Mathematics and Statistics, Changsha University of Science and Technology, Changsha 410114
  • Received:2016-03-27 Revised:2017-04-15 Online:2018-02-26 Published:2018-02-26
  • Supported by:
    Supported by the NSFC (11371074, 11771060), the Natural Science Foundation for Distinguished Young scholars in Hunan Province (13JJ1020), the Research Foundation of Education Bureau of Hunan Province (13A108) and the Hunan Graduate Innovation Project (CX2016B418)

Abstract: The long-time behaviour of nonlinear neutral delay differential equations (NDDEs) with variable delay is analysed. A main result guaranteeing uniform ultimate boundedness for a variable delay nonlinear system has been established. The sufficient conditions for the uniform ultimate boundedness for two typical examples of NDDEs, the constant delay differential equations and the proportional delay differential equations, are derived from the main result. Some examples are given to illustrate the applications of these results.

Key words: Neutral delay differential equations, Variable delay, Long-time stability, Asymptotic behaviour, Uniform ultimate boundedness, Dissipativity

CLC Number: 

  • O177
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