Stability of monostable waves for a class of epidemic system with asymmetry and nonlocal effects

The stability of monostable waves for a class of epidemic system with nonlocal effects is considered in this study, where the system can be non-quasimonotone and the kernel functions in diffusion terms and nonlocal reactions can all be asymmetric. By combining the Fourier transform with the anti-weighted energy method, the global stability of monostable waves with the decay rate of the form an exponential function multiplied by an algebraic function for non-critical wave speed and possible critical wave speed is established and the stability investigation of monostable waves to nonlocal dispersal equations with quasi-monotonicity and symmetric kernels is extended to asymmetric and non-quasimonotone cases. Moreover, an concrete example and numerical simulations are included to confirm the theoretical conclusions.

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Publication Details

Journal
International Journal of Biomathematics
Published
2025-10-30
DOI
https://doi.org/10.1142/s1793524525501396
Primary Topic
Mathematical and Theoretical Epidemiology and Ecology Models
Type
article
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article

Stability of monostable waves for a class of epidemic system with asymmetry and nonlocal effects

Yunrui Yang, Yongli Yang, Ke-Wang Mu
International Journal of Biomathematics
Mathematical and Theoretical Epidemiology and Ecology Models
article

Stability of monostable waves for a class of epidemic system with asymmetry and nonlocal effects

Yunrui Yang, Yongli Yang, Ke-Wang Mu
article en

Abstract

The stability of monostable waves for a class of epidemic system with nonlocal effects is considered in this study, where the system can be non-quasimonotone and the kernel functions in diffusion terms and nonlocal reactions can all be asymmetric. By combining the Fourier transform with the anti-weighted energy method, the global stability of monostable waves with the decay rate of the form an exponential function multiplied by an algebraic function for non-critical wave speed and possible critical wave speed is established and the stability investigation of monostable waves to nonlocal dispersal equations with quasi-monotonicity and symmetric kernels is extended to asymmetric and non-quasimonotone cases. Moreover, an concrete example and numerical simulations are included to confirm the theoretical conclusions.

International Journal of Biomathematics
Lanzhou Jiaotong University (CN)
Openalex Percentile: Top 58%
Mathematical and Theoretical Epidemiology and Ecology Models
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Stability of monostable waves for a class of epidemic system with asymmetry and nonlocal effects — Yunrui Yang, Yongli Yang, et al. · International Journal of Biomathematics (2025) | TGRS Research Map | TGRS