Wave Propagation for a Discrete Diffusive Mosquito-Borne Epidemic Model

• Jiao Dang ^[1] ; Guo-Bao Zhang ^[1] ; Ge Tian ^[1]
  1. [1] Northwest Normal University

     Northwest Normal University

     China

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

  • This paper is concerned with the existence and nonexistence of traveling wave solutions for a discrete diffusive mosquito-borne epidemic model with general incidence rate and constant recruitment. It is observed that whether the traveling wave solutions exist or not depend on the so-called basic reproduction ratio of the corresponding kinetic system and the critical wave speed . More precisely, when and , the system admits a nontrivial traveling wave solution by constructing an invariant cone in a bounded domain with initial functions being defined on, and employing the method of upper and lower solution, Schauder’s fixed point theorem and a limiting approach. Moreover, the asymptotic behavior of traveling wave solutions at positive infinity is obtained by constructing a suitable Lyapunov functional. When or , the system has no nontrivial traveling wave solution by using a contradictory approach and two-sided Laplace transforms.

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