数学物理学报 ›› 2000, Vol. 20 ›› Issue (3): 296-303.

• 论文 • 上一篇    下一篇

具有时滞的周期Lotka-Volterra型系统的全局渐近稳定性

  

  1. (新疆大学数学系 乌鲁木齐 830046)
    (中国科学院数学研究所 北京 100080)
     
  • 出版日期:2000-05-12 发布日期:2000-05-12

Global Asymptotic Stability of Periodic Lotka-Volterra Systems with Delays

  1. (Department of Mathematics, Xinjiang University, Urumqi 830046)
    (Institute of Mathematics, Academic Sinica, Beijing 100080)
     
  • Online:2000-05-12 Published:2000-05-12

摘要:

考虑一般具有时间依赖时滞和连续分布时滞的N种群周期Lotka-Volterra型系统. 通过使用Liapunov函数方法得到了关于正周期解的存在性和全局渐近稳定性的充分条件. 这些条件改进和推广了最近被Wang, Chen, Lu[2]和Ahlip, King[4]得到的相应结果.

 

关键词: Lotka-Volterra系统, 时滞, 正周期解, 全局渐近稳定性, Lyapunov函数

Abstract:

 In this paper a general n-species periodic Lotka-Volterra type system with distributed delay and time dependent delay is considered. Sufficient conditions for the existence and global asymptotic stability of positive periodic solutions is established by applying the method of Liapunov functions. These conditions improve and extend the recent ones obtained by Wang, Chen and Lu [2]and Ahlip and King[4].

Key words: Lotka-Volterrasystem, Delay, Positiveperiodicsolution, Globalstability, Lyapunovfunction

中图分类号: 

  • 34K20,92D25