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Global Dynamics Behaviors of Viral Infection Model for Pest Management

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  • Chunjin Wei
  • Lansun Chen

Abstract

According to biological strategy for pest control, a mathematical model with periodic releasing virus particles for insect viruses attacking pests is considered. By using Floquet's theorem, small-amplitude perturbation skills and comparison theorem, we prove that all solutions of the system are uniformly ultimately bounded and there exists a globally asymptotically stable pest-eradication periodic solution when the amount of virus particles released is larger than some critical value. When the amount of virus particles released is less than some critical value, the system is shown to be permanent, which implies that the trivial pest-eradication solution loses its stability. Further, the mathematical results are also confirmed by means of numerical simulation.

Suggested Citation

  • Chunjin Wei & Lansun Chen, 2009. "Global Dynamics Behaviors of Viral Infection Model for Pest Management," Discrete Dynamics in Nature and Society, Hindawi, vol. 2009, pages 1-16, February.
    • Handle: RePEc:hin:jnddns:693472
    DOI: 10.1155/2009/693472
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