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In this article we study the long-time behaviour of a system of nonlinear Partial Differential Equations (PDEs) modelling the motion of incompressible, isothermal and conducting modified bipolar fluids in presence of magnetic field. We…

Analysis of PDEs · Mathematics 2015-07-06 Paul Andre Razafimandimby

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

A strongly damped wave equation including the displacement depending nonlinear damping term and nonlinear interaction function is considered. The main aim of the note is to show that under the standard dissipativity restrictions on the…

Analysis of PDEs · Mathematics 2015-06-19 Varga Kalantarov , Sergey Zelik

We prove global existence for quasilinear wave equations outside of a wide class of obstacles. The obstacles may contain trapped hyperbolic rays as long as there is local exponential energy decay for the associated linear wave equation.…

Analysis of PDEs · Mathematics 2009-11-10 Jason Metcalfe , Christopher D. Sogge

We consider Cauchy problem for the semilinear plate equation with nonlocal nonlinearity. Under mild conditions on the damping coefficient, we prove that the semigroup generated by this problem possesses a global attractor.

Analysis of PDEs · Mathematics 2015-04-01 Azer Khanmamedov , Sema Simsek

In this paper we obtain a detailed description of the global and cocycle attractors for the skew-product semiflows induced by the mild solutions of a family of scalar linear-dissipative parabolic problems over a minimal and uniquely ergodic…

Dynamical Systems · Mathematics 2017-12-15 Tomas Caraballo , Jose antonio Lnaga , Rafael Obaya , Ana M. Sanz

In this work, we study continuity and topological structural stability of attractors for nonautonomous random differential equations obtained by small bounded random perturbations of autonomous semilinear problems. First, we study existence…

Dynamical Systems · Mathematics 2021-11-29 Tomás Caraballo , Alexandre N. Carvalho , José A. Langa , Alexandre N Oliveira-Sousa

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

We examine a viscous Cahn-Hilliard phase-separation model with memory and where the chemical potential possesses a nonlocal fractional Laplacian operator. The existence of global weak solutions is proven using a Galerkin approximation…

Analysis of PDEs · Mathematics 2018-05-01 Eylem Öztürk , Joseph L. Shomberg

We consider finite energy solutions for the damped and driven two-dimensional Navier--Stokes equations in the plane and show that the corresponding dynamical system possesses a global attractor. We obtain upper bounds for its fractal…

Analysis of PDEs · Mathematics 2015-03-12 Alexei Ilyin , Kavita Patni , Sergey Zelik

The dependence of the fractal dimension of global attractors for the damped 3D Euler--Bardina equations on the regularization parameter $\alpha>0$ and Ekman damping coefficient $\gamma>0$ is studied. We present explicit upper bounds for…

Analysis of PDEs · Mathematics 2022-03-14 Alexei Ilyin , Anna Kostianko , Sergey Zelik

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 the characterization of global attractors $A_f$ for semiflows generated by scalar one-dimensional semilinear parabolic equations of the form $u_t = u_{xx} + f(u,u_x)$, defined on the circle $x\in S^1$, for a class of reversible…

Dynamical Systems · Mathematics 2025-06-16 Carlos Rocha

We report on new results concerning the global well-posedness, dissipativity and attractors of the damped quintic wave equations in bounded domains of R^3.

Analysis of PDEs · Mathematics 2013-11-14 Anton Savostianov , Sergey Zelik

The existence of a random attractor in H^1(R^3) \times L^2(R^3) is proved for the damped semilinear stochastic wave equation defined on the entire space R^3. The nonlinearity is allowed to have a cubic growth rate which is referred to as…

Analysis of PDEs · Mathematics 2008-10-14 Bixiang Wang

The set of nonzero external forces for which the zero function is in the global attractor of the 2D Navier-Stokes equations is shown to be meagre in a Fr\'echet topology. A criterion in terms of a Taylor expansion in complex time is used to…

Analysis of PDEs · Mathematics 2015-06-18 Ciprian Foias , Michael Jolly , Yong Yang , Bingsheng Zhang

In this paper we consider the long time behavior of the weakly damped, forced Korteweg-de Vries equation in the Sololev spaces of the negative indices in the periodic case. We prove that the solutions are uniformly bounded in…

Analysis of PDEs · Mathematics 2009-10-27 Yongsheng Li , Yifei Wu

We discuss various issues related to the finite-dimensionality of the asymptotic dynamics of solutions of parabolic equations. In particular, we study the regularity of the vector field on the global attractor associated with these…

Analysis of PDEs · Mathematics 2010-08-31 Eleonora Pinto de Moura , James C. Robinson

In this work we derive a lower bounds for the Hausdorff and fractal dimensions of the global attractor of the Sabra shell model of turbulence in different regimes of parameters. We show that for a particular choice of the forcing and for…

Fluid Dynamics · Physics 2009-11-13 Peter Constantin , Boris Levant , Edriss S. Titi

In this paper, we study the long-time dynamics for the wave equation with nonlocal weak damping and sup-cubic nonlinearity in a bounded smooth domain of $\mathbb{R}^3.$ Based on the Strichartz estimates for the case of bounded domains, we…

Analysis of PDEs · Mathematics 2022-06-08 Senlin Yan , Chengkui Zhong , Zhijun Tang
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