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The aim of this paper is studying the compact global attractors for non-autonomous lattice dynamical systems of the form $u_{i}'=\nu (u_{i-1}-2u_i+u_{i+1})-\lambda u_{i}+f(u_i)+f_{i}(t)\ (i\in \mathbb Z,\ \lambda >0)$. We prove their…

动力系统 · 数学 2025-06-24 David Cheban , Andrei Sultan

We consider a reaction-diffusion system which may serve as a model for a ferment catalytic reaction in chemistry. The model consists of a system of reaction diffusion equations with unbounded time dependent coefficients and different…

偏微分方程分析 · 数学 2022-06-14 Mohamed Majdoub , Nasser-eddine Tatar

We study the long-time behaviour of solutions to some classes of fourth-order nonlinear PDEs with non-monotone nonlinearities, which include the Landau--Lifshitz--Baryakhtar (LLBar) equation (with all relevant fields and spin torques) and…

偏微分方程分析 · 数学 2025-06-30 Beniamin Goldys , Agus L. Soenjaya , Thanh Tran

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

We consider a Large Eddy Simulation model for a homogeneous incompressible Newtonian fluid in a box space domain with periodic boundary conditions on the lateral boundaries and homogeneous Dirichlet conditions on the top and bottom…

偏微分方程分析 · 数学 2014-02-24 Luca Bisconti , Davide Catania

The main objective of this paper is to study the existence of a finite dimension global attractor for the three dimensional viscous primitive equations of large-scale atmosphere. Thanks to the shortage of the uniqueness of weak solutions,…

数学物理 · 物理学 2017-03-17 Bo You

A process based on particle evaporation, diffusion and redeposition is applied iteratively to a two-dimensional object of arbitrary shape. The evolution spontaneously transforms the object morphology, converging to branched structures.…

统计力学 · 物理学 2009-10-31 M. Filoche , B. Sapoval

We prove the existence of a global random attractor for a certain class of stochastic partly dissipative systems. These systems consist of a partial (PDE) and an ordinary differential equation (ODE), where both equations are coupled and…

概率论 · 数学 2020-03-10 Christian Kuehn , Alexandra Neamtu , Anne Pein

We study the random attractors associated with the stochastic fractional Schr\"odinger equation on $\mathbb{R}^n$. Utilizing the stochastic Strichartz estimates for the damped fractional Schr\"odinger equation with Gaussian noise, we show…

偏微分方程分析 · 数学 2025-03-13 Li Lin , Yanjie Zhang , Ao Zhang

We show that for any fixed accuracy and time length $T$, a {\it finite} number of $T$-time length pieces of the complete trajectories on the global attractor are capable of uniformly approximating all trajectories within the accuracy in the…

动力系统 · 数学 2023-05-09 Songsong Lu

We prove existence of global attractors for parabolic equations of the form $$u_t+\beta(x)u-\sum_{ij}\partial_i(a_{ij}(x)\partial_j u)=f(x,u)$$ with Dirichlet boundary condition on an arbitrary unbounded domain $\Omega$ in $\R^3$, without…

偏微分方程分析 · 数学 2007-05-23 M. Prizzi , K. P. Rybakowski

An abstract framework for studying the asymptotic behavior of a dissipative evolutionary system $\mathcal{E}$ with respect to weak and strong topologies was introduced in [8] primarily to study the long-time behavior of the 3D Navier-Stokes…

动力系统 · 数学 2007-05-23 Alexey Cheskidov

In this paper dynamic von Karman equations with localized interior damping supported in a boundary collar are considered. Hadamard well-posedness for von Karman plates with various types of nonlinear damping are well-known, and the…

偏微分方程分析 · 数学 2012-01-31 Pelin G. Geredeli , Irena Lasiecka , Justin T. Webster

This paper investigates the global well-posedness of a class of reaction-advection-diffusion models with nonlinear diffusion and Lotka-Volterra dynamics. We prove the existence and uniform boundedness of the global-in-time solutions to the…

偏微分方程分析 · 数学 2019-05-21 Qi Wang , Jingyue Yang , Feng Yu

The main objective of this paper is to obtain estimations of Hausdorff dimension as well as fractal dimension of global attractors and pullback attractors for both autonomous and nonautonomous functional differential equations (FDEs) in…

动力系统 · 数学 2023-11-21 Wenjie Hu , Tomás Caraballo

In this paper, we apply the implicit Euler scheme to discretize the (random) Burgers-Huxley equation and prove the existence of a numerical attractor for the discrete Burgers-Huxley system. We establish upper semi-convergence of the…

偏微分方程分析 · 数学 2025-04-08 Fang Su , Xue Wang

In this paper we consider an attracting heteroclinic cycle made by a 1-dimensional and a 2-dimensional separatrices between two hyperbolic saddles having complex eigenvalues. The basin of the global attractor exhibits historic behaviour…

动力系统 · 数学 2018-07-04 Maria Carvalho , Alexandre A. P. Rodrigues

Well-posedness and global attractor are established for 2D damped driven nonlinear Schr\"odinger equation with almost periodic pumping in a bounded region. The key role is played by a novel application of the energy equation.

偏微分方程分析 · 数学 2020-08-07 A. Komech , E. Kopylova

We study the long time behaviour of solutions for the weakly damped forced Kawahara equation on the torus. More precisely, we prove the existence of a global attractor in $L^2$, to which as time passes all solutions draw closer. In fact, we…

偏微分方程分析 · 数学 2024-12-03 Jaeseop Ahn , Seongyeon Kim , Ihyeok Seo

Global dynamics of the diffusive and partly diffusive Hindmarsh-Rose equations on a three-dimensional bounded domain originated in neurodynamics are investigated in this paper. The existence of global attractors as well as the regularity…

偏微分方程分析 · 数学 2019-08-01 Chi Phan , Yuncheng You , Jianzhong Su