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Global existence of strong solutions and the existence of global and atrractors are established for generalized Shigesada-Kawasaki-Teramoto models on planar domains. The cross diffusion and reaction can have polynomial growth of any order.

偏微分方程分析 · 数学 2016-05-19 Dung Le

We consider some cross diffusion systems which is inspired by models in mathematical biology/ecology, in particular the Shigesada-Kawasaki-Teramoto (SKT) model in population biology. We establish the global existence of strong solutions to…

偏微分方程分析 · 数学 2019-10-21 Dung Le

We establish the existence of strong solutions to a class of cross diffusion systems on $\RR^N$ consists of $m$ equations ($m,N\ge 2$). which generalizes the Shigesada-Kawasaki-Teramoto (SKT) model in population dynamics. We introduce the…

偏微分方程分析 · 数学 2021-11-17 Dung Le

In this work we use functional methods to prove the boundedness and global existence of solutions for a class of strongly coupled parabolic systems. We apply the results to deduce the global existence of solutions for a classic…

偏微分方程分析 · 数学 2014-08-04 Said Kouachi , Kamuela E. Yong , Rana D. Parshad

For a class of reaction cross-diffusion systems of two equations with a cross-diffusion term in the first equation and with self-diffusion terms, we prove that the unique local smooth solution given by Amann theorem is actually global. This…

偏微分方程分析 · 数学 2022-02-22 Jessica Guerand , Angeliki Menegaki , Ariane Trescases

We prove the existence of global strong solutions to the triangular Shigesada-Kawasaki-Teramoto (SKT) cross-diffusion system with Lokta-Volterra reaction terms in three dimensions. A key part is the independent careful study of the…

偏微分方程分析 · 数学 2025-08-26 Hector Bouton , Laurent Desvillettes , Helge Dietert

We prove the existence of global strong solutions to the triangular Shigesada-Kawasaki-Teramoto (SKT) cross-diffusion system with Lokta-Volterra reaction terms in three dimensions. A key part is the independent careful study of the…

偏微分方程分析 · 数学 2025-08-26 Hector Bouton , Laurent Desvillettes , Helge Dietert

We investigate the global time existence of smooth solutions for the Shigesada-Kawasaki-Teramoto system of cross-diffusion equations of two competing species in population dynamics. If there are self-diffusion in one species and no…

偏微分方程分析 · 数学 2013-11-28 Luan T. Hoang , Tuoc V. Phan , Truyen V. Nguyen

The existence of global nonnegative martingale solutions to cross-diffusion systems of Shigesada-Kawasaki-Teramoto type with multiplicative noise is proven. The model describes the stochastic segregation dynamics of an arbitrary number of…

概率论 · 数学 2025-02-04 Marcel Braukhoff , Florian Huber , Ansgar Jüngel

The global-in-time existence of renormalized solutions to reaction-cross-diffu-sion systems for an arbitrary number of variables in bounded domains with no-flux boundary conditions is proved. The cross-diffusion part describes the…

偏微分方程分析 · 数学 2017-11-07 Xiuqing Chen , Ansgar Jüngel

The existence of global nonnegative martingale solutions to a cross-diffusion system of Shigesada-Kawasaki-Teramoto type with multiplicative noise is proven. The model describes the segregation dynamics of populations with an arbitrary…

概率论 · 数学 2020-12-24 Gaurav Dhariwal , Florian Huber , Ansgar Jüngel

We present new results of existence of global solutions for a class of reaction cross-diffusion systems of two equations presenting a cross-diffusion term in the first equation, and possibly presenting a self-diffusion term in any (or both)…

偏微分方程分析 · 数学 2015-03-26 Ariane Trescases

We present global existence results for solutions of reaction-diffusion systems on evolving domains. Global existence results for a class of reaction-diffusion systems on fixed domains are extended to the same systems posed on spatially…

斑图形成与孤子 · 物理学 2011-04-06 Chandrasekhar Venkataraman , Omar Lakkis , Anotida Madzvamuse

We establish the uniqueness and regularity of weak (and very weak) solutions to a class of cross diffusion systems which is inspired by models in mathematical biology/ecology, in particular the Shigesada-Kawasaki-Teramoto (SKT) model in…

偏微分方程分析 · 数学 2019-06-11 Dung Le

We establish the positivity of weak (and very weak) solutions to a class of cross diffusion systems which is inspired by models in mathematical biology/ecology, in particular the Shigesada-Kawasaki-Teramoto (SKT) model in population…

偏微分方程分析 · 数学 2020-06-19 Dung Le

We study a simplification of the well-known Shigesada-Kawasaki-Teramoto model, which consists of two nonlinear reaction-diffusion equations with cross-diffusion. A complete set of Q-conditional (nonclassical) symmetries is derived using an…

数学物理 · 物理学 2024-03-01 Roman Cherniha , Vasyl' Davydovych , John R. King

The aim of this work is to study the global existence of solutions for some coupled systems of reaction diffusion which describe the spread within a population of infectious disease. We consider a triangular matrix diffusion and we show…

偏微分方程分析 · 数学 2011-02-01 Abdelmalek Salem , Youkana Amar

We consider reaction-diffusion systems where components diffuse inside the domain and react on the surface through mass transport type boundary conditions on an evolving domain. Using Lyapunov functional and duality arguments, we establish…

偏微分方程分析 · 数学 2021-02-02 Vandana Sharma , Jyotshana V. Prajapat

The existence of global weak solutions to the cross-diffusion model of Shigesada, Kawasaki, and Teramoto for an arbitrary number of species is proved. The model consists of strongly coupled parabolic equations for the population densities…

偏微分方程分析 · 数学 2022-07-21 Xiuqing Chen , Ansgar Jüngel , Lei Wang

We investigate a class of three-component reaction-diffusion systems subject to mass control and a newly introduced structural assumption, referred to as linear intermediate weighted sum condition. Under these hypotheses, we establish the…

偏微分方程分析 · 数学 2025-11-03 Redouane Douaifia , Salem Abdelmalek , Mokhtar Kirane
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