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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…

Analysis of PDEs · Mathematics 2019-08-27 El-Haj Laamri , Benoît Perthame

In this paper we consider a porous-elastic system consisting of nonlinear boundary/interior damping and nonlinear boundary/interior sources. Our interest lies in the theoretical understanding of the existence, finite time blow-up of…

Analysis of PDEs · Mathematics 2018-08-01 Vo Anh Khoa , Le Thi Phuong Ngoc , Nguyen Thanh Long

This paper provides results on local and global existence for a class of solutions to the Euler equations for an incompressible, inviscid fluid. By considering a class of solutions which exhibits a characteristic growth at infinity we…

Analysis of PDEs · Mathematics 2009-02-27 Ralph Saxton , Feride Tiglay

The rigorous asymptotics from reaction-cross-diffusion systems for three species with known entropy to cross-diffusion systems for two variables is investigated. The equations are studied in a bounded domain with no-flux boundary…

Analysis of PDEs · Mathematics 2017-10-11 E. S. Daus , L. Desvillettes , A. Jüngel

In this paper, we explore the solvability and the optimal control problem for a compartmental model based on reaction-diffusion partial differential equations describing a transmissible disease. The nonlinear model takes into account the…

Optimization and Control · Mathematics 2023-08-25 Pierluigi Colli , Gianni Gilardi , Gabriela Marinoschi

The existence of global nonnegative martingale solutions to a stochastic cross-diffusion system for an arbitrary but finite number of interacting population species is shown. The random influence of the environment is modeled by a…

Probability · Mathematics 2020-03-20 Gaurav Dhariwal , Ansgar Jüngel , Nicola Zamponi

When dilute charged particles are confined in a bounded domain, boundary effects are crucial in the global dynamics. We construct a unique global-in-time solution to the Vlasov-Poisson-Boltzmann system in convex domains with the diffuse…

Analysis of PDEs · Mathematics 2019-04-08 Yunbai Cao , Chanwoo Kim , Donghyun Lee

This work studies the parameter-dependent diffusion equation in a two-dimensional domain consisting of locally mirror symmetric layers. It is assumed that the diffusion coefficient is a constant in each layer. The goal is to find…

Numerical Analysis · Mathematics 2024-12-20 Antti Autio , Antti Hannukainen

In this paper, we consider a time-fractional reaction-diffusion system with the same nonlinearities of the Newton-Leipnik chaotic system. Through analytical tools and numerical results, we derive sufficient conditions for the asymptotic…

Analysis of PDEs · Mathematics 2018-09-25 Djamel Mansouri , Salem Abdelmalek , Samir Bendoukha , Amar Youkana

By exploiting a suitable Trudinger-Moser inequality for fractional Sobolev spaces, we obtain existence and multiplicity of solutions for a class of one-dimensional nonlocal equations with fractional diffusion and nonlinearity at exponential…

Analysis of PDEs · Mathematics 2013-11-12 Antonio Iannizzotto , Marco Squassina

This paper investigates a system of nonlinear reaction-diffusion equations modeling the industrial synthesis of ammonia. By applying Lie group analysis, we construct self-similar solutions and derive a reduced system of ordinary…

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…

Analysis of PDEs · Mathematics 2023-10-25 Zulaihat Hassan , Wenxian Shen , Yuming Paul Zhang

The paper studies the global existence and general decay of solutions using Lyaponov functional for a nonlinear wave equation, taking into account the fractional derivative boundary condition and memory term. In addition, we establish the…

Analysis of PDEs · Mathematics 2020-07-01 Salah Boulaaras , Fares Kamache , Youcef Bouizem , Rafik Guefaifia

In this paper, we give sufficient conditions for global-in-time existence of classical solutions for the fully parabolic chemorepulsion system posed on a convex, bounded three-dimensional domain. Our main result establishes global-in-time…

Analysis of PDEs · Mathematics 2024-06-13 Tomasz Cieślak , Mario Fuest , Karol Hajduk , Mikołaj Sierżęga

We study reaction-diffusion equations in cylinders with possibly nonlinear diffusion and possibly nonlinear Neumann boundary conditions. We provide a geometric Poincar\'e-type inequality and classification results for stable solutions, and…

Analysis of PDEs · Mathematics 2016-06-28 Serena Dipierro , Nicola Soave , Enrico Valdinoci

In this work, we explore the global existence of strong solutions for a class of partially diffusive hyperbolic systems within the framework of critical homogeneous Besov spaces. Our objective is twofold: first, to extend our recent…

Analysis of PDEs · Mathematics 2025-01-06 Jean-Paul Adogbo , Raphäel Danchin

The objective is to investigate the global existence of solutions for a degenerate chemotaxis system with logistic sources in a two-dimensional domain. It is demonstrated that the inclusion of logistic sources can exclude the occurrence of…

Analysis of PDEs · Mathematics 2023-12-27 Minh Le

We study linear pseudoparabolic equations with unbounded and time-dependent coefficients. We solve the case which has remained open in several recent studies of pseudoparabolic equations with unbounded and time-dependent coefficients. In…

Analysis of PDEs · Mathematics 2016-02-08 Sujin Khomrutai

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…

Analysis of PDEs · Mathematics 2016-08-23 Dung Le

The spin-diffusion Landau--Lifshitz--Bloch (SDLLB) system is a nonlinearly coupled system of quasilinear vector-valued PDEs which models the interaction between spin-polarised currents and magnetisation at high temperatures. The aim of this…

Numerical Analysis · Mathematics 2026-04-03 Agus L. Soenjaya
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