Exponential Stability of Traveling Waves with Application to Structured Population Dynamics

We investigate the dynamical stability of traveling-wave solutions in a scalar, age-structured model that incorporates nonlocal dispersal. By combining a comparison argument with a weighted-energy framework tailored to the convolution-type operator, we prove that traveling waves of non-critical speed are exponentially stable under appropriately weighted perturbations after integration over age. Numerical experiments illustrate the qualitative content of the decay result and the structure of the resulting rate bound.

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Publication Details

Journal
Mathematics
Published
2026-06-28
DOI
https://doi.org/10.3390/math14132295
Primary Topic
Mathematical and Theoretical Epidemiology and Ecology Models
Type
article
Field-Weighted Citation Impact
0.00

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article

Exponential Stability of Traveling Waves with Application to Structured Population Dynamics

Qura Tul Ain, Muhammad Irfan Ullah
Mathematics
Mathematical and Theoretical Epidemiology and Ecology Models
article

Exponential Stability of Traveling Waves with Application to Structured Population Dynamics

Qura Tul Ain, Muhammad Irfan Ullah
article en

Abstract

We investigate the dynamical stability of traveling-wave solutions in a scalar, age-structured model that incorporates nonlocal dispersal. By combining a comparison argument with a weighted-energy framework tailored to the convolution-type operator, we prove that traveling waves of non-critical speed are exponentially stable under appropriately weighted perturbations after integration over age. Numerical experiments illustrate the qualitative content of the decay result and the structure of the resulting rate bound.

MathematicsVol. 14(13)
Shenzhen Bay Laboratory (CN), South China University of Technology (CN)
Basic and Applied Basic Research Foundation of Guangdong Province
Openalex Percentile: Top 6%
Mathematical and Theoretical Epidemiology and Ecology Models
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