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This paper is concerned with the local and global existence of solutions for a generalized $m$-component reaction--diffusion system with a tridiagonal $2$--Toeplitz diffusion matrix and polynomial growth. We derive the eigenvalues and…

偏微分方程分析 · 数学 2016-02-09 Salem Abdelmalek , Samir Bendoukha

We introduce a generalized concept of solutions for reaction-diffusion systems and prove their global existence. The only restriction on the reaction function beyond regularity, quasipositivity and mass control is special in that it merely…

偏微分方程分析 · 数学 2021-08-03 Johannes Lankeit , Michael Winkler

In this paper, we use duality arguments "\`a la Michel Pierre" to establish global existence of classic solutions for a class of parabolic reaction-diffusion systems modeling, for instance, the evolution of reversible chemical reactions.

偏微分方程分析 · 数学 2011-02-24 El Haj Laamri

While much literature on chemotaxis systems focuses on bounded domains, this paper emphasizes the global existence of classical solutions for three primary chemotaxis systems with a logistic source on $\mathbb{R}^n$. We present a unified…

偏微分方程分析 · 数学 2023-10-25 Zulaihat Hassan , Wenxian Shen , Yuming Paul Zhang

This paper links at the formal level the entropy structure of a multi-species cross-diffusion system of Shigesada-Kawasaki-Teramoto (SKT) type satisfying the detailed balance condition with the entropy structure of a reversible microscopic…

偏微分方程分析 · 数学 2025-03-25 Esther S. Daus , Laurent Desvillettes , Helge Dietert

We consider a reaction-diffusion system where some components react and diffuse on the boundary of a region, while other components diffuse in the interior and react with those on the boundary through mass transport. We establish local…

偏微分方程分析 · 数学 2015-11-20 Vandana Sharma , Jeff Morgan

The global existence and boundedness of solutions to volume-surface reaction diffusion systems with a mass control condition are investigated. Such systems arise typically in e.g. cell biology, ecology or fluid mechanics, when some…

偏微分方程分析 · 数学 2024-12-18 Juan Yang , Bao Quoc Tang

We study systems of reaction-diffusion equations perturbed by multiplicative noise, where the reaction terms satisfy quasipositivity, a triangular mass-control structure, and polynomial growth. Our results apply to a broad class of…

概率论 · 数学 2026-05-27 Dionysis Milesis , Michael Salins

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 study the solvability of a general class of cross diffusion systems and establish the local and global existence of their strong solutions under the weakest assumption that they are VMO. This work simplifies the setting in our previous…

偏微分方程分析 · 数学 2016-08-23 Dung Le

In this work, we adapt our recent article [BDD25] to the setting of Dirichlet boundary conditions. A key part is the study of the parabolic equation $a\partial_t w - \Delta w = f$ with a rough coefficient $a$, homogeneous Dirichlet boundary…

偏微分方程分析 · 数学 2025-11-27 Hector Bouton , Laurent Desvillettes , Helge Dietert

We prove that, under a suitable rescaling of the integrable kernel defining the nonlocal diffusion terms, the corresponding sequence of solutions of the Shigesada-Kawasaki-Teramoto nonlocal cross-diffusion problem converges to a solution of…

偏微分方程分析 · 数学 2024-01-29 Gonzalo Galiano , Julián Velasco

We consider a system of reaction-diffusion equations including chemotaxis terms and coming out of the modeling of multiple sclerosis. The global existence of strong solutions to this system in any dimension is proved, and it is also shown…

偏微分方程分析 · 数学 2020-09-29 Laurent Desvillettes , Valeria Giunta , Jeff Morgan , Bao Quoc Tang

We consider the Neumann and Cauchy problems for positivity preserving reaction-diffusion systems of $m$ equations enjoying the mass and entropy dissipation properties. We show global classical existence in any space dimension, under the…

偏微分方程分析 · 数学 2025-04-30 Philippe Souplet

The purpose of this paper is to prove global existence of solutions for general systems of reaction diffusion equations with nonlinearities for which only two main proprieties hold: Quasi-Positivity and balance law but with two…

动力系统 · 数学 2023-02-07 Said Kouachi

We establish the global existence of weak solutions for a two-species cross-diffusion system, set on the 1-dimensional flat torus, in which the evolution of each species is governed by two mechanisms. The first of these is a diffusion which…

偏微分方程分析 · 数学 2025-04-28 Alpár R. Mészáros , Guy Parker

This paper considers quadratic and super-quadratic reaction-diffusion systems for reversible chemistry, for which all species satisfy uniform-in-time $L^1$ a-priori estimates, for instance, as a consequence of suitable mass conservation…

偏微分方程分析 · 数学 2015-11-26 Klemens Fellner , Evangelos Latos , Takashi Suzuki

We analyze a reaction-diffusion system on $\mathbb{R}^{N}$ which models the dispersal of individuals between two exchanging environments for its diffusive component and incorporates a Fujita-type growth for its reactive component. The…

偏微分方程分析 · 数学 2023-07-04 Samuel Tréton

We study the global existence and uniform-in-time bounds of classical solutions in all dimensions to reaction-diffusion systems dissipating mass. By utilizing the duality method and the regularization of the heat operator, we show that if…

偏微分方程分析 · 数学 2019-05-28 Brian P. Cupps , Jeff Morgan , Bao Quoc Tang

We prove global existence of strong solutions for the Vlasov-Poisson system in a convex bounded domain in the plasma physics case assuming homogeneous Dirichlet boundary conditions for the electric potential and the specular reflection…

偏微分方程分析 · 数学 2011-01-31 Hyung Ju Hwang , Jaewoo Jung , Juan J. L. Velazquez