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This paper reports the 3D planetary geostrophic viscous model has the exponential ergodicity and global attractor if this model is driven by an additive random noise, which results in the support of the integration of invariant measure for…

Probability · Mathematics 2016-05-10 Zhao Dong , Rangrang Zhang

The article is devoted to the study of non-autonomous Navier-Stokes equations. First, the authors have proved that such systems admit compact global attractors. This problem is formulated and solved in the terms of general non-autonomous…

Dynamical Systems · Mathematics 2009-11-10 David Cheban , Jinqiao Duan

The longtime and global pullback dynamics of stochastic Hindmarsh-Rose equations with multiplicative noise on a three-dimensional bounded domain in neurodynamics is investigated in this work. The existence of a random attractor for this…

Analysis of PDEs · Mathematics 2019-08-14 Chi Phan

In this paper, we present some results for existence of global solutions and attractivity for mulidimensional fractional differential equations involving Riemann-Liouville derivative. First, by using a Bielecki type norm and Banach fixed…

Classical Analysis and ODEs · Mathematics 2017-09-08 H. T. Tuan , Adam Czornik , J. Nieto , M. Niezabitowski

We obtain general analytical solutions of third-order viscous hydrodynamic equations for Bjorken and Gubser flows in systems with vanishing bulk viscosity and chemical potential, and having a constant shear relaxation time. We also…

Nuclear Theory · Physics 2019-02-20 Chandrodoy Chattopadhyay , Amaresh Jaiswal , Sunil Jaiswal , Subrata Pal

The existence of a random attractor for the stochastic FitzHugh-Nagumo system defined on an unbounded domain is established. The pullback asymptotic compactness of the stochastic system is proved by uniform estimates on solutions for large…

Analysis of PDEs · Mathematics 2008-06-03 Bixiang Wang

The analysis of the long-term behavior of the mathematical model of a neural network constitutes a suitable framework to develop new tools for the dynamical description of nonautonomous state-dependent delay equations (SDDEs). The concept…

Dynamical Systems · Mathematics 2019-07-24 Cinzia Elia , Ismael Maroto , Carmen Núñez , Rafael Obaya

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

We study the long-time behavior of solutions of the one dimensional wave equation with nonlinear damping coefficient. We prove that if the damping coefficient function is strictly positive near the origin then this equation possesses a…

Analysis of PDEs · Mathematics 2020-07-15 A. Kh. Khanmamedov

For autonomous Lotka-Volterra systems of differential equations modelling the dynamics of n competing species, new criteria are established for the existence of a single point global attractor. Under the conditions of these criteria, some…

Dynamical Systems · Mathematics 2007-11-22 Zhanyuan Hou

We investigate the long-term behavior, as a certain regularization parameter vanishes, of the three-dimensional Navier-Stokes-Voigt model of a viscoelastic incompressible fluid. We prove the existence of global and exponential attractors of…

Dynamical Systems · Mathematics 2015-06-11 Michele Coti Zelati , Ciprian G. Gal

This article is devoted to a description of the dynamics of the phase flow of monotone contact Hamiltonian systems. Particular attention is paid to locating the maximal attractor (or repeller), which could be seen as the union of compact…

Dynamical Systems · Mathematics 2021-07-07 Liang Jin , Jun Yan

We describe some recent results on the dynamics of singular-hyperbolic (or Lorenz-like) attractors: attractors in this class are expansive and so sensitive with respect to initial data; they admit a unique physical measure whose support is…

Dynamical Systems · Mathematics 2010-08-31 Vitor Araujo , Maria Jose Pacifico

In this paper, we study the existence of SRB measures and their properties for infinite dimensional dynamical systems in a Hilbert space. We show several results including (i) if the system has a partially hyperbolic attractor with…

Dynamical Systems · Mathematics 2015-08-14 Zeng Lian , Peidong Liu , Kening Lu

The Szekeres system with cosmological constant term describes the evolution of the kinematic quantities for Einstein field equations in $\mathbb{R}^4$. In this study, we investigate the behavior of trajectories in the presence of…

General Relativity and Quantum Cosmology · Physics 2021-09-16 Andronikos Paliathanasis , Genly Leon

This article aims to study the long-time dynamics of the linear viscoelastic plate equation $\displaystyle{u_{tt}+\Delta^2 u-\int_{\tau}^tg(t-s)\Delta^2u(s)ds=0}$ subject to nonlinear and nonlocal boundary conditions. This model, with…

Analysis of PDEs · Mathematics 2026-01-13 Linfang Liu , Vando Narciso , Zhijian Yang

We consider the damped and driven two-dimensional Euler equations in the plane with weak solutions having finite energy and enstrophy. We show that these (possibly non-unique) solutions satisfy the energy and enstrophy equality. It is shown…

Analysis of PDEs · Mathematics 2015-11-13 V. V. Chepyzhov , A. A. Ilyin , S. V. Zelik

We study the dynamical properties of a broad class of high-dimensional random dynamical systems exhibiting chaotic as well as fixed point and periodic attractors. We consider cases in which attractors can co-exists in some regions of the…

Disordered Systems and Neural Networks · Physics 2026-03-02 Samantha J. Fournier , Pierfrancesco Urbani

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…

Analysis of PDEs · Mathematics 2019-05-21 Qi Wang , Jingyue Yang , Feng Yu

We study the asymptotic long-time behavior of Darcy--Boussinesq convection in layered porous media with narrow transition zones in the material properties. As the transition-layer width tends to zero, we prove the upper semi-continuous…

Analysis of PDEs · Mathematics 2026-03-03 Kaijian Sha , Xiaoming Wang , Hao Wu
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