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Dynamic Behaviors of a Discrete Lotka-Volterra Competition System with Infinite Delays and Single Feedback Control

Author

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  • Liang Zhao
  • Xiangdong Xie
  • Liya Yang
  • Fengde Chen

Abstract

A nonautonomous discrete two-species Lotka-Volterra competition system with infinite delays and single feedback control is considered in this paper. By applying the discrete comparison theorem, a set of sufficient conditions which guarantee the permanence of the system is obtained. Also, by constructing some suitable discrete Lyapunov functionals, some sufficient conditions for the global attractivity and extinction of the system are obtained. It is shown that if the the discrete Lotka-Volterra competitive system with infinite delays and without feedback control is permanent, then, by choosing some suitable feedback control variable, the permanent species will be driven to extinction. That is, the feedback control variable, which represents the biological control or some harvesting procedure, is the unstable factor of the system. Such a finding overturns the previous scholars’ recognition on feedback control variables.

Suggested Citation

  • Liang Zhao & Xiangdong Xie & Liya Yang & Fengde Chen, 2014. "Dynamic Behaviors of a Discrete Lotka-Volterra Competition System with Infinite Delays and Single Feedback Control," Abstract and Applied Analysis, Hindawi, vol. 2014, pages 1-19, October.
    • Handle: RePEc:hin:jnlaaa:867313
    DOI: 10.1155/2014/867313
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