Algorithm for studying the dynamics of a spatially distributed logistic equation with delay and taking into account migration

The logistic equation with delay and diffusion, which is important in mathematical ecology, is considered. It is assumed that the boundary conditions at one end of the interval [0,1] contain a parameter. The question of local — in the neighborhood of the equilibrium state — dynamics of the corresponding boundary value problem for all values of the boundary condition parameters is investigated. Critical cases in the problem of stability of the equilibrium state are identified and normal forms — scalar complex ordinary differential equations of the first order — are constructed. Their nonlocal dynamics determine the behavior of solutions of the original problem in a small neighborhood of the equilibrium state.

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Publication Details

Journal
Modeling and Analysis of Information Systems
Published
2025-09-24
DOI
https://doi.org/10.18255/1818-1015-2025-3-242-251
Primary Topic
Mathematical and Theoretical Epidemiology and Ecology Models
Type
article
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article

Algorithm for studying the dynamics of a spatially distributed logistic equation with delay and taking into account migration

Dmitry Olegovich Loginov, Dmitry S. Kashchenko, A. O. Tolbey
Modeling and Analysis of Information Systems
Mathematical and Theoretical Epidemiology and Ecology Models
article

Algorithm for studying the dynamics of a spatially distributed logistic equation with delay and taking into account migration

Dmitry Olegovich Loginov, Dmitry S. Kashchenko, A. O. Tolbey
article en

Abstract

The logistic equation with delay and diffusion, which is important in mathematical ecology, is considered. It is assumed that the boundary conditions at one end of the interval [0,1] contain a parameter. The question of local — in the neighborhood of the equilibrium state — dynamics of the corresponding boundary value problem for all values of the boundary condition parameters is investigated. Critical cases in the problem of stability of the equilibrium state are identified and normal forms — scalar complex ordinary differential equations of the first order — are constructed. Their nonlocal dynamics determine the behavior of solutions of the original problem in a small neighborhood of the equilibrium state.

Modeling and Analysis of Information SystemsVol. 32(3)
Yaroslavl State University (RU)
Openalex Percentile: Top 65%
Mathematical and Theoretical Epidemiology and Ecology Models
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