Spreading Speed in an Asymptotic Autonomous System with Application to a Diffusive Stage-Structured SLIRM Model

• Guo Lin ^[1] ; Haiqin Wei ^[1]
  1. [1] Lanzhou University

     Lanzhou University

     China

     
• Localización: Qualitative theory of dynamical systems, ISSN 1575-5460, Vol. 23, Nº 3, 2024
• Idioma: inglés
• Enlaces
  • Texto completo
• Resumen

  • This article studies the spreading properties in an asymptotic autonomous noncooperative system that can be regarded as an epidemic model or a predator–prey system. In particular, due to the effect of nonlocal delay, it is possible that the system does not satisfy the comparison principle for mixed quasimonotone systems.

    When the initial value has proper decaying behavior, we obtain a constant spreading speed of solutions. Finally, the main result is applied to a stage-structured susceptiblelatent-infected-recovered-matured epidemic model to show its spreading feature by presenting the spreading speed about the susceptible and the infected.

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