Wave speed selection of a Lotka–Volterra competition system with hybrid dispersals and seasonal succession

In this paper, we propose a new Lotka–Volterra competition system with hybrid dispersals and seasonal succession. Specifically, we assume that the species enter the ecological cycle in favorable season and end in unfavorable season in contrast to models where entry occurs in unfavorable season first. We investigate the minimal wave speed (critical speed) for this new system by upper and lower solution method. Conditions on the model parameters are obtained so that the minimal wave speed is linearly selected or nonlinearly selected. Our result indicates that, if the nonlocal dispersal strength is small, or the kernel is close to the delta function (not fat-tailed), the critical speed is most likely to be linearly selected. As applications, we observe that our result can recover those on the Lotka–Volterra competition system with hybrid dispersals but without seasonal succession.

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Publication Details

Journal
Applied Mathematics Letters
Published
2026-03-11
DOI
https://doi.org/10.1016/j.aml.2026.109931
Primary Topic
Mathematical and Theoretical Epidemiology and Ecology Models
Type
article
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article

Wave speed selection of a Lotka–Volterra competition system with hybrid dispersals and seasonal succession

Chunhua Ou, Hongyong Wang
Applied Mathematics Letters
Mathematical and Theoretical Epidemiology and Ecology Models
article

Wave speed selection of a Lotka–Volterra competition system with hybrid dispersals and seasonal succession

Chunhua Ou, Hongyong Wang
article en

Abstract

In this paper, we propose a new Lotka–Volterra competition system with hybrid dispersals and seasonal succession. Specifically, we assume that the species enter the ecological cycle in favorable season and end in unfavorable season in contrast to models where entry occurs in unfavorable season first. We investigate the minimal wave speed (critical speed) for this new system by upper and lower solution method. Conditions on the model parameters are obtained so that the minimal wave speed is linearly selected or nonlinearly selected. Our result indicates that, if the nonlocal dispersal strength is small, or the kernel is close to the delta function (not fat-tailed), the critical speed is most likely to be linearly selected. As applications, we observe that our result can recover those on the Lotka–Volterra competition system with hybrid dispersals but without seasonal succession.

Applied Mathematics LettersVol. 179
Memorial University of Newfoundland (CA), Hunan First Normal University (CN)
Climate action
Openalex Percentile: Top 32%
Mathematical and Theoretical Epidemiology and Ecology Models
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