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We consider systems of reaction-diffusion equations coupled in zero order terms, with general homogeneous boundary conditions in domains with a particular geometry (annular type domains). We establish Lipschitz stability estimates in L^2…

Analysis of PDEs · Mathematics 2024-07-02 Catalin-George Lefter , Elena-Alexandra Melnig

This paper presents estimates of the convergence of asymptotic dynamics of reaction-diffusion equations with nonlinear boundary conditions. We show how the convergence of the global attractors can be affected by the variations of diffusion…

Analysis of PDEs · Mathematics 2024-05-15 Flank D. M. Bezerra , Marcone C. Pereira , Leonardo Pires

In [Adv. Math., 267(2014), 277-306], Cheskidov and Lu develop a new framework of the evolutionary system that deals directly with the notion of a uniform global attractor due to Haraux, and by which a trajectory attractor is able to be…

Dynamical Systems · Mathematics 2022-09-19 Songsong Lu

This work is devoted to the study of the asymptotic behavior of nonautonomous reaction-diffusion equations in Dumbbell domains $\Omega_{\varepsilon} \subset \mathbb{R}^{N}$. Each $\Omega_{\varepsilon}$ is the union of a fixed open set…

Analysis of PDEs · Mathematics 2020-12-15 Maykel Belluzi , Tomás Caraballo , Marcelo J. D. Nascimento , Karina Schiabel

In this paper, we study the continuity in initial data of a classical reaction-diffusion equation with arbitrary $p>2$ order nonlinearity and in any space dimension $N\geq 1$. It is proved that the weak solutions can be $(L^2, L^\gamma\cap…

Dynamical Systems · Mathematics 2019-05-21 Hongyong Cui , Peter E. Kloeden , Wenqiang Zhao

In this paper we study a family of semilinear reaction-diffusion equations on thin spatial domains, lying close to a lower dimensional submanifold $M$. As the thickness tends to zero, the domains collapse onto (a subset of) $M$. As it was…

Analysis of PDEs · Mathematics 2007-05-23 Martino Prizzi , Krzysztof P. Rybakowski

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…

Analysis of PDEs · Mathematics 2021-02-02 Vandana Sharma , Jyotshana V. Prajapat

A parametric family of reaction-diffusion equations with nonlocal viscosity is considered. Existence of solutions and actually of pullback attractors is known from previous works. In this paper we obtain a robustness result of the…

Analysis of PDEs · Mathematics 2026-03-03 Rubén Caballero , Pedro Marín-Rubio , José Valero

We consider reaction-diffusion equations driven by the $p$-Laplacian on noncompact, infinite volume manifolds assumed to support the Sobolev inequality and, in some cases, to have $L^2$ spectrum bounded away from zero, the main example we…

Analysis of PDEs · Mathematics 2022-10-31 Gabriele Grillo , Giulia Meglioli , Fabio Punzo

We prove a contraction in $L^1$ property for the solutions of a nonlinear reaction--diffusion system whose special cases include intercellular transport as well as reversible chemical reactions. Assuming the existence of stationary…

Analysis of PDEs · Mathematics 2008-08-05 M. Chipot , D. Hilhorst , D. Kinderlehrer , M. Olech

The existence of an exponential attractor for the diffusive Hindmarsh-Rose equations on a three-dimensional bounded domain originated in the study of neurodynamics is proved through uniform estimates together with a new theorem on the…

Analysis of PDEs · Mathematics 2019-08-19 Chi Phan , Yuncheng You

The existence of a global attractor for the solution semiflow of the extended Brusselator system in the $L^2$ phase space is proved, which is a cubic-autocatalytic and partially reversible reaction-diffusion system with linear coupling…

Analysis of PDEs · Mathematics 2011-02-22 Yuncheng You , Shengfan Zhou

In this paper, we prove the existence of a compact global attractor for the flow generated by equation $$ \frac{\partial u}{\partial t}(x,t)+u(x,t)= \int_{\mathbb{R}^{N}}J(x-y)(f( u(y,t))dy+ h, \quad h > 0, \quad x\in \mathbb{R}^{N}, \quad…

Dynamical Systems · Mathematics 2013-12-31 Severino Horacio da Silva , Michel Barros Silva

We prove that the critical surface quasi-geostrophic equation driven by a force $f$ possesses a compact global attractor in $L^2(\mathbb T^2)$ provided $f\in L^p(\mathbb T^2)$ for some $p>2$. First, the De Giorgi method is used to obtain…

Analysis of PDEs · Mathematics 2017-12-08 Alexey Cheskidov , Mimi Dai

This article is devoted to the study of the existence of an exponential attractor for a family of problems, in which diffusion $d_{\lambda}$ blows up in localized regions inside the domain, \begin{equation*} \begin{cases} \displaystyle…

Analysis of PDEs · Mathematics 2019-12-19 Vera Lúcia Carbone , Thays Regina Santana Couto

Second initial boundary problem in narrow domains of width $\epsilon\ll 1$ for linear second order differential equations with nonlinear boundary conditions is considered in this paper. Using probabilistic methods we show that the solution…

Probability · Mathematics 2010-11-30 Mark Freidlin , Konstantinos Spiliopoulos

This paper deals with the long term dynamics of the non-autonomous McKean-Vlasov stochastic reaction-diffusion equations on R^n. We first prove the existence and uniqueness of pullback measure attractors of the non-autonomous dynamical…

Probability · Mathematics 2024-09-27 Lin Shi , Jun Shen , Kening Lu , Bixiang Wang

We prove the existence of a compact random attractor for the stochastic Benjamin-Bona-Mahony Equation defined on an unbounded domain. This random attractor is invariant and attracts every pulled-back tempered random set under the forward…

Analysis of PDEs · Mathematics 2008-05-14 Bixiang Wang

We derive uniform in time $L^\infty$-bound for solutions to an aggregation-diffusion model with attractive-repulsive potentials or fully attractive potentials. We analyze two cases: either the repulsive nonlocal term dominates over the…

Analysis of PDEs · Mathematics 2018-07-17 Jose A. Carrillo , Jinhuan Wang

We consider a nonlocal aggregation diffusion equation incorporating repulsion modelled by nonlinear diffusion and attraction modelled by nonlocal interaction. When the attractive interaction kernel is radially symmetric and strictly…

Analysis of PDEs · Mathematics 2024-08-23 Roumen Anguelov , Chelsea Bright