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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

In this paper we analyse a finite volume scheme for a nonlocal version of the Shigesada-Kawazaki-Teramoto (SKT) cross-diffusion system. We prove the existence of solutions to the scheme, derive qualitative properties of the solutions and…

数值分析 · 数学 2024-01-19 Maxime Herda , Antoine Zurek

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

An implicit Euler finite-volume scheme for an $n$-species population cross-diffusion system of Shigesada--Kawasaki--Teramoto-type in a bounded domain with no-flux boundary conditions is proposed and analyzed. The scheme preserves the formal…

数值分析 · 数学 2020-11-18 Antoine Zurek , Ansgar Jüngel

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 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

This paper deals with the existence of global weak solutions for a wide class of (multiple species) cross-diffusions systems. The existence is based on two different ingredients: an entropy estimate giving some gradient control and a…

偏微分方程分析 · 数学 2016-09-28 Thomas Lepoutre , Ayman Moussa

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 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

Cross-diffusion systems are systems of nonlinear parabolic partial differential equations that are used to describe dynamical processes in several application, including chemical concentrations and cell biology. We present a space-time…

偏微分方程分析 · 数学 2022-05-19 Marcel Braukhoff , Ilaria Perugia , Paul Stocker

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

In this paper we consider the Shigesada-Kawasaki-Teramoto (SKT) model to account for stable inhomogeneous steady states exhibiting spatial segregation, which describe a situation of coexistence of two competing species. We provide a deeper…

偏微分方程分析 · 数学 2019-10-09 Maxime Breden , Christian Kuehn , Cinzia Soresina

The weak-strong uniqueness for solutions to reaction-cross-diffusion systems in a bounded domain with no-flux boundary conditions is proved. The system generalizes the Shigesada-Kawasaki-Teramoto population model to an arbitrary number of…

偏微分方程分析 · 数学 2018-05-09 Xiuqing Chen , Ansgar Jüngel

The convergence to equilibrium of renormalized solutions to reaction-cross-diffusion systems in a bounded domain under no-flux boundary conditions is studied. The reactions model complex balanced chemical reaction networks coming from…

偏微分方程分析 · 数学 2018-08-20 Esther S. Daus , Bao Quoc Tang

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

A finite-volume scheme for a cross-diffusion model arising from the mean-field limit of an interacting particle system for multiple population species is studied. The existence of discrete solutions and a discrete entropy production…

数值分析 · 数学 2019-11-27 Ansgar Jüngel , Antoine Zurek

Population cross-diffusion systems of Shigesada-Kawasaki-Teramoto type are derived in a mean-field-type limit from stochastic, moderately interacting many-particle systems for multiple population species in the whole space. The diffusion…

偏微分方程分析 · 数学 2021-10-13 Li Chen , Esther S. Daus , Alexandra Holzinger , Ansgar Jüngel

We consider the numerical solution of coupled volume-surface reaction-diffusion systems having a detailed balance equilibrium. Based on the conservation of mass, an appropriate quadratic entropy functional is identified and an…

数值分析 · 数学 2015-11-04 Herbert Egger , Klemens Fellner , Jan-Frederik Pietschmann , Bao Quoc Tang

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
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