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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…

Analysis of PDEs · Mathematics 2019-08-01 Chi Phan , Yuncheng You , Jianzhong Su

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…

Analysis of PDEs · Mathematics 2008-04-25 Alexander Komech , Andrew Komech

In this paper we prove the existence of the global attractor for the wave equation with nonlocal weak damping, nonlocal anti-damping and critical nonlinearity.

Analysis of PDEs · Mathematics 2022-05-09 Chunyan Zhao , Chengkui Zhong , Zhijun Tang

We study the asymptotic properties of the semigroup S(t) arising from a nonlinear viscoelastic equation with hereditary memory on a bounded three-dimensional domain written in the past history framework of Dafermos. We establish the…

Analysis of PDEs · Mathematics 2013-09-19 Monica Conti , Elsa M. Marchini , Vittorino Pata

This paper studies the Cauchy problem for three-dimensional viscous, compressible, and heat conducting magnetohydrodynamic equations with vacuum as far field density. We prove the global existence and uniqueness of strong solutions provided…

Analysis of PDEs · Mathematics 2021-05-04 Yang Liu , Xin Zhong

We consider a deconvolution model for 3D periodic flows. We show the existence of a global attractor for the model.

Mathematical Physics · Physics 2008-12-18 Roger Lewandowski , Yves Preaux

We prove that the weakly damped nonlinear Schr\"odinger flow in $L^2(\mathbb{R})$ provides a dynamical system which possesses a global attractor. The proof relies on the continuity of the Schr\"odinger flow for the weak topology in…

Analysis of PDEs · Mathematics 2009-10-02 Olivier Goubet , Luc Molinet

In this paper, we mainly study the regularity of pullback $\mathcal{D}$-attractors for a nonautonomous nonclassical diffusion equation with delay term $b(t,u_t)$ which contains some hereditary characteristics. Under a critical nonlinearity…

Analysis of PDEs · Mathematics 2023-03-28 Yuming Qin , Qitao Cai , Ming Mei , Ke Wang

This paper is concerned with superconvergence properties of the direct discontinuous Galerkin (DDG) method for two-dimensional nonlinear convection-diffusion equations. By using the idea of correction function, we prove that, for any…

Numerical Analysis · Mathematics 2021-11-09 Xinyue Zhang , Waixiang Cao

The wave equation with energy critical sources and nonlinear damping defined on a 3D bounded domain is considered. It is shown that the resulting dynamical system admits a global attractor. Under the additional assumption of strong…

Dynamical Systems · Mathematics 2025-11-07 Irena Lasiecka , Vando Narciso

In this work the existence of a global attractor for the solution semiflow of the coupled two-cell Brusselator model equations is proved. A grouping estimation method and a new decomposition approach are introduced to deal with the…

Dynamical Systems · Mathematics 2009-06-25 Yuncheng You

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…

Analysis of PDEs · Mathematics 2021-07-27 Manuel Fernando Cortez , Oscar Jarrín

In this second part of our two-part paper, we extend to multiple spatial dimensions the one-dimensional, fully conservative, positivity-preserving, and entropy-bounded discontinuous Galerkin scheme developed in the first part for the…

Numerical Analysis · Mathematics 2024-03-11 Eric J. Ching , Ryan F. Johnson , Andrew D. Kercher

Here we consider a Cahn-Hilliard-Navier-Stokes system characterized by a nonlocal Cahn-Hilliard equation with a singular (e.g., logarithmic) potential. This system originates from a diffuse interface model for incompressible isothermal…

Analysis of PDEs · Mathematics 2012-01-31 Sergio Frigeri , Maurizio Grasselli

This work is focused on the dissipative system describing the dynamics of an extensible thermoelastic beam, where the dissipation is entirely contributed by the second equation ruling the evolution of the temperature. Under natural boundary…

Dynamical Systems · Mathematics 2009-01-28 C. Giorgi , M. G. Naso , V. Pata , M. Potomkin

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 are concerned with the power-law fluids driven by an additive stochastic forcing in dimension $d\geq3$. For the power index $r\in(1,\frac{3d+2}{d+2})$, we establish existence of infinitely many global-in-time probabilistically strong and…

Probability · Mathematics 2022-09-07 Huaxiang Lü , Xiangchan Zhu

Global well-posedness of strong solutions and existence of the global attractor to the initial and boundary value problem of 2D Boussinesq system in a periodic channel with non-homogeneous boundary conditions for the temperature and…

Analysis of PDEs · Mathematics 2014-03-07 Aimin Huang

We consider the Cahn-Hilliard equation on manifolds with conical singularities and prove existence of global attractors in higher order Mellin-Sobolev spaces with asymptotics. We also show convergence of solutions in the same spaces to an…

Analysis of PDEs · Mathematics 2024-03-22 Pedro T. P. Lopes , Nikolaos Roidos

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