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In this paper we study a nonlocal reaction-diffusion equation in which the diffusion depends on the gradient of the solution. We prove first the existence and uniqueness of regular and strong solutions. Second, we obtain the existence of…

Dynamical Systems · Mathematics 2026-02-27 Rubén Caballero , Pedro Marín-Rubio , José Valero

The main objective of this paper is to investigate exponential attractors for a nonlocal delayed reaction-diffusion equation on an unbounded domain. We first obtain the existence of a globally attractive absorbing set for the dynamical…

Analysis of PDEs · Mathematics 2024-02-20 Wenjie Hu , Tomás Caraballo

In this paper we study the structure of the global attractor for a reaction- di{\S}usion equation in which uniqueness of the Cauchy problem is not guarantied. We prove that the global attractor can be characterized using either the unstable…

Dynamical Systems · Mathematics 2012-09-11 Oleksiy V. Kapustyan , Pavlo O. Kasyanov , José Valero

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

We investigate the long term behavior in terms of finite dimensional global and exponential attractors, as time goes to infinity, of solutions to a semilinear reaction-diffusion equation on non-smooth domains subject to nonlocal Robin…

Dynamical Systems · Mathematics 2016-07-20 Ciprian G. Gal , Mahamadi Warma

The purpose of this paper is to investigate the existence and Hausdorff dimension as well as fractal dimension of global attractors for a delayed reaction-diffusion equation on an unbounded domain. The noncompactness of the domain causes…

Analysis of PDEs · Mathematics 2023-11-17 Wenjie Hu , Tomás Caraballo , Alain Miranville

We study the long time behavior of solutions of the non-autonomous Reaction-Diffusion equation defined on the entire space R^n when external terms are unbounded in a phase space. The existence of a pullback global attractor for the equation…

Analysis of PDEs · Mathematics 2009-03-31 Bixiang Wang

A reaction-diffusion problem with an obstacle potential is considered in a bounded domain of $\R^N$. Under the assumption that the obstacle $\K$ is a closed convex and bounded subset of $\mathbb{R}^n$ with smooth boundary or it is a closed…

Analysis of PDEs · Mathematics 2015-05-13 Antonio Segatti , Sergey Zelik

In this paper, we study the structure of the global attractor for weak and regular solutions of a problem governed by a scalar semilinear reaction-diffusion equation with a non-regular nonlinearity, such that uniquness of solutions can fail…

Analysis of PDEs · Mathematics 2026-03-02 Rubén Caballero , Piotr Kalita , José Valero

In this paper, we study the structure of the global attractor for the multivalued semiflow generated by a nonlocal reaction-diffusion equation in which we cannot guarantee uniqueness of the Cauchy problem. First, we analyse the existence…

Dynamical Systems · Mathematics 2026-03-02 Rubén Caballero , Alexandre Nolasco Carvalho , Pedro Marín-Rubio , José Valero

We prove the existence of a compact L^2-H^1 attractor for a reaction-diffusion equation in R^n. This improves a previous result of B. Wang concerning the existence of a compact L^2-L^2 attractor for the same equation.

Analysis of PDEs · Mathematics 2007-05-23 Martino Prizzi

The purpose of this paper is to investigate the existence and estimation of Hausdorff and fractal dimension of global attractors for a delayed reaction-diffusion equation on an unbounded domain. The noncompactness of the domain cause the…

Dynamical Systems · Mathematics 2023-10-20 Wenjie Hu , Tomás Caraballo

We consider a family of non-autonomous reaction-diffusion equations with almost periodic, rapidly oscillating principal part and nonlinear interactions. As the frequency of the oscillations tends to infinity, we prove that the solutions of…

Analysis of PDEs · Mathematics 2007-05-23 F. Antoci , M. Prizzi

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…

Analysis of PDEs · Mathematics 2019-05-28 Brian P. Cupps , Jeff Morgan , Bao Quoc Tang

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

This article addresses the issue of uniform measure attractors for non-autonomous McKean-Vlasov stochastic reaction-diffusion equations defined on unbounded thin domains. Initially, the concept of uniform measure attractors is recalled, and…

Probability · Mathematics 2024-12-30 Tianhao Zeng , Ran Li , Dingshi Li

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

We study the long time behavior of solutions of the Cauchy problem for nonlinear reaction-diffusion equations in one space dimension with the nonlinearity of bistable, ignition or monostable type. We prove a one-to-one relation between the…

Analysis of PDEs · Mathematics 2013-09-24 C. B. Muratov , X. Zhong

In this paper, we are concerned with the one-dimensional initial boundary value problem for isentropic gas dynamics. Through the contribution of great researchers such as Lax, P. D., Glimm, J., DiPerna, R. J. and Liu, T. P., the decay…

Analysis of PDEs · Mathematics 2023-06-05 Yun-guang Lu , Okihiro Sawada , Naoki Tsuge

I demonstrate that the concept of a non-equilibrium attractor can be extended beyond the lowest-order moments typically considered in hydrodynamic treatments. Using a previously obtained exact solution to the relaxation-time approximation…

Nuclear Theory · Physics 2022-01-12 Michael Strickland
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