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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

The existence of global solutions is established for compressible Navier-Stokes equations by taking into account the radiative and reactive processes, when the heat conductivity $\kappa$ ($\kappa_1(1+\theta^q)\leq\kappa\leq…

偏微分方程分析 · 数学 2011-10-28 Xulong Qin , Zheng-an Yao

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

In this paper, we construct a class global large solution to the 3D incompressible micropolar fluid system. Precisely speaking, by choosing a special initial data which can be arbitrarily large in $\dot{B}^{-1}_{\infty,\infty}$, the system…

偏微分方程分析 · 数学 2020-06-03 Jinlu Li , Weipeng Zhu

In this paper we show that the long time dynamics (the global attractor) of the 2D Navier-Stokes equation is embedded in the long time dynamics of an ordinary differential equation, named {\it determining form}, in a space of trajectories…

动力系统 · 数学 2015-06-17 Ciprian Foias , Michael S. Jolly , Rostyslav Kravchenko , Edriss S. Titi

We present a multidimensional flow exhibiting a Rovella-like attractor: a transitive invariant set with a non-Lorenz-like singularity accumulated by regular orbits and a multidimensional non-uniformly expanding invariant direction.…

动力系统 · 数学 2012-03-12 V. Araujo , A. Castro , M. J. Pacifico , V. Pinheiro

This paper is concerned with the long-time behavior of solutions for the three dimensional globally modified Navier-Stokes equations in a three-dimensional bounded domain. We prove the existence of a global attractor $\mathcal{A}_0$ in $H$…

动力系统 · 数学 2017-03-17 Fang Li , Bo You

In this paper, we mainly consider the long-time behavior of solutions for the Cahn-Hilliard-Navier-Stokes system with dynamic boundary conditions and two polynomial growth nonlinearities of arbitrary order. We prove the existence of a…

动力系统 · 数学 2017-03-17 Bo You , Fang Li , Chang Zhang

We are concerned with compressible magneto-micropolar fluid equations (1.1)-(1.2). The global existence and large time behaviour of solutions near a constant state to the magneto-micropolar-Navier-Stokes-Poisson (MMNSP) system is…

偏微分方程分析 · 数学 2019-06-19 Cuiman Jia , Zhong Tan , Jianfeng Zhou

In this paper, we consider a damped Navier-Stokes-Bardina model posed on the whole three-dimensional. These equations have an important physical motivation and they arise from some oceanic model. From the mathematical point of view, they…

偏微分方程分析 · 数学 2021-07-27 Manuel Fernando Cortez , Oscar Jarrín

We prove existence of global attractors for damped hyperbolic equations of the form $$\aligned \eps u_{tt}+\alpha(x) u_t+\beta(x)u- \sum_{ij}(a_{ij}(x) u_{x_j})_{x_i}&=f(x,u),\quad x\in \Omega, t\in[0,\infty[, u(x,t)&=0,\quad x\in \partial…

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

For the equations of a planar magnetohydrodynamic (MHD) compressible flow with the viscosity depending on the specific volume of the gas and the heat conductivity being proportional to a positive power of the temperature, we obtain global…

偏微分方程分析 · 数学 2024-06-19 Yuebo Cao , Yi Peng , Ying Sun

We review recent results on global attractors of U(1)-invariant dispersive Hamiltonian systems. We study several models based on the Klein-Gordon equation and sketch the proof that in these models, under certain generic assumptions, the…

偏微分方程分析 · 数学 2008-04-25 Alexander Komech , Andrew Komech

We investigate the long-term dynamics of the three-dimensional Navier-Stokes-Voight model of viscoelastic incompressible fluid. Specifically, we derive upper bounds for the number of determining modes for the 3D Navier-Stokes-Voight…

偏微分方程分析 · 数学 2007-05-29 Varga K. Kalantarov , Edriss S. Titi

We study the large-time behavior of strong solutions to the equations of a planar magnetohydrodynamic compressible flow with the heat conductivity proportional to a nonnegative power of the temperature. Both the specific volume and the…

偏微分方程分析 · 数学 2019-10-15 Bin Huang , Xiaoding Shi , Ying Sun

This paper is dedicated to the study of viscous compressible barotropic fluids in dimension $N\geq2$. We address the question of the global existence of strong solutions for initial data close from a constant state having critical Besov…

偏微分方程分析 · 数学 2015-05-18 Boris Haspot

We consider the Rayleigh--B\'{e}nard problem for the three--dimensional Boussinesq system for the micropolar fluid. We introduce the notion of the multivalued eventual semiflow and prove the existence of the two-space global attractor…

数学物理 · 物理学 2020-10-28 Piotr Kalita , Grzegorz Łukaszewicz

The regularity of the global attractor of the incompressible Navier-Stokes equations for flows on two-dimensional domains is considered. It is assumed that domain $\Omega$ is a channel-like domain, i.e an arbitrary bounded or unbounded…

偏微分方程分析 · 数学 2025-10-21 Ricardo M. S. Rosa

In this paper, the initial-boundary value problem of the 1D full compressible Navier-Stokes equations with positive constant viscosity but with zero heat conductivity is considered. Global well-posedness is established for any $H^1$ initial…

偏微分方程分析 · 数学 2020-04-22 Jinkai Li

Attractor, supposed to be one of the possible answer for the early applicability of hydrodynamics in the evolution with different initial conditions, has attracted great attention to the fast decreasing of degrees of freedom in heavy ion…

高能物理 - 唯象学 · 物理学 2024-07-23 Shile Chen , Shuzhe Shi