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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

The global existence of classical solutions to reaction-diffusion systems in dimensions one and two is proved. The considered systems are assumed to satisfy an {\it entropy inequality} and have nonlinearities with at most cubic growth in 1D…

偏微分方程分析 · 数学 2017-11-29 Bao Quoc Tang

The goal of this work is to establish the global existence of nonnegative classical solutions in all dimensions for a system of highly nonlinear reaction-diffusion equations. We address the case for different diffusion coefficients and the…

偏微分方程分析 · 数学 2022-09-16 Nibedita Ghosh , Hari Shankar Mahato

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 a system of reaction-diffusion equations describing the reversible reaction of two species $\mathcal{U}, \mathcal{V}$ forming a third species $\mathcal{W}$ and vice versa according to mass action law kinetics with arbitrary…

偏微分方程分析 · 数学 2015-12-29 Klemens Fellner , El-Haj Laamri

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

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 study a hyperbolic-parabolic model of chemotaxis in dimensions one and two. In particular, we prove the global existence of classical solutions in certain dissipation regimes.

偏微分方程分析 · 数学 2016-12-12 Rafael Granero-Belinchón

In this work we prove global existence and uniform boundedness of solutions of 2X2 reaction-diffusion systems with control of mass structure and nonlinearities of unlimited growth. Furthermore the results are obtained without restrictions…

偏微分方程分析 · 数学 2023-01-19 Said Kouachi

A class of coupled time-space fractional reaction-diffusion systems derived from reversible chemical reactions over a bounded domain is investigated. Employing mainly an appropriate Lyapunov functional and an improved maximum principle, we…

偏微分方程分析 · 数学 2026-03-04 Redouane Douaifia , Salem Abdelmalek , Mokhtar Kirane

The global existence of classical solutions to reaction-diffusion systems in arbitrary space dimensions is studied. The nonlinearities are assumed to be quasi-positive, to have (slightly super-) quadratic growth, and to possess a mass…

偏微分方程分析 · 数学 2019-02-26 Klemens Fellner , Jeff Morgan , Bao Quoc Tang

We study the global existence of classical solutions to volume-surface reaction-diffusion systems with control of mass. Such systems appear naturally from modeling evolution of concentrations or densities appearing both in a volume domain…

偏微分方程分析 · 数学 2021-01-21 Jeff Morgan , Bao Quoc Tang

In this paper, we prove global-in-time existence of strong solutions to a class of fractional parabolic reaction-diffusion systems posed in a bounded domain of $\mathbb{R}^N$. The nonlinear reactive terms are assumed to satisfy natural…

偏微分方程分析 · 数学 2023-06-07 Maha Daoud , El-Haj Laamri , Azeddine Baalal

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 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

We prove the existence of global-in-time regular solutions to a system of stochastic quadratic reaction-diffusion equations. Global-in-time existence is based on a $L^\infty$-estimate obtained by an approach {\`a} la De Giorgi, as in…

偏微分方程分析 · 数学 2024-04-09 Marta Leocata , Julien Vovelle

In this work we study the existence of classical solutions for a class of reaction-diffusion systems with quadratic growth naturally arising in mass action chemistry when studying networks of reactions of the type $A_i+A_j…

偏微分方程分析 · 数学 2016-03-18 Dieter Bothe , Guillaume Rolland

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

Models issued from ecology, chemical reactions and several other application fields lead to semi-linear parabolic equations with super-linear growth. Even if, in general, blow-up can occur, these models share the property that mass control…

偏微分方程分析 · 数学 2019-08-27 El-Haj Laamri , Benoît Perthame

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
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