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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,…

Mathematical Physics · Physics 2017-03-17 Bo You

In this paper we obtain the existence of global attractors for the dynamical systems generated by weak solution of the three-dimensional Navier-Stokes equations with damping. We consider two cases, depending on the values of the parameters…

Analysis of PDEs · Mathematics 2025-07-30 Daniel Pardo , José Valero , Ángel Giménez

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

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 $H$…

Dynamical Systems · Mathematics 2017-03-17 Fang Li , Bo You

We analyze a phase-field system where the energy balance equation is linearly coupled with a nonlinear and nonlocal ODE for the order parameter $\chi$. The latter equation is characterized by a space convolution term which models particle…

Dynamical Systems · Mathematics 2011-08-02 Maurizio Grasselli

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

In this paper the long time behaviour of the solutions of 3-D strongly damped wave equation is studied. It is shown that the semigroup generated by this equation possesses a global attractor in H_{0}^{1}(\Omega)\times L_{2}(\Omega) and then…

Analysis of PDEs · Mathematics 2012-02-28 Azer Khanmamedov

Partial differential equations (PDEs) are among the most universal and parsimonious descriptions of natural physical laws, capturing a rich variety of phenomenology and multi-scale physics in a compact and symbolic representation. This…

Machine Learning · Computer Science 2023-03-31 Steven L. Brunton , J. Nathan Kutz

This work is the first attempt to treat partial differential equations with discrete (concentrated) state-dependent delay. The main idea is to approximate the discrete delay term by a sequence of distributed delay terms (all with…

Dynamical Systems · Mathematics 2009-04-18 Alexander V. Rezounenko

The aim of this paper is to describe the structure of global attractors for non-autonomous difference systems of equations with recurrent (in particular, almost periodic) coefficients. We consider a special class of this type of systems…

Dynamical Systems · Mathematics 2011-04-29 Tomás Caraballo , David Cheban

From tumour invasion to cell sorting and animal territoriality, many biological systems rely on nonlocal interactions that drive complex spatial organisation. Partial differential equations (PDEs) with nonlocal advection are increasingly…

Populations and Evolution · Quantitative Biology 2025-06-03 Valeria Giunta , Thomas Hillen , Mark A. Lewis , Jonathan R. Potts

We obtain the existence and the structure of the weak uniform (with respect to the initial time) global attractor and construct a trajectory attractor for the 3D Navier-Stokes equations (NSE) with a fixed time-dependent force satisfying a…

Dynamical Systems · Mathematics 2023-05-09 Alexey Cheskidov , Songsong Lu

We present a contribution to the field of system identification of partial differential equations (PDEs), with emphasis on discerning between competing mathematical models of pattern-forming physics. The motivation comes from developmental…

Computational Physics · Physics 2024-03-28 Zhenlin Wang , Xun Huan , Krishna Garikipati

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

Understanding the structure of the global attractor is crucial in the field of dynamical systems, where Morse decompositions provide a powerful tool by partitioning the attractor into finitely many invariant Morse sets and gradient-like…

Dynamical Systems · Mathematics 2025-07-16 István Balázs , Ábel Garab , Teresa Rauscher

Global existence for a system of nonlinear partial differential equations (PDE) modeling an isotropic incompressible viscoelastic material is proved. The structure of the PDE is derived through constitutive assumptions on the material.…

Analysis of PDEs · Mathematics 2009-03-17 Paul Kessenich

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

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.

Analysis of PDEs · Mathematics 2020-08-07 A. Komech , E. Kopylova

Usually, the systems of partial differential equations (PDEs) are discovered from observational data in the single vector equation form. However, this approach restricts the application to the real cases, where, for example, the form of the…

Neural and Evolutionary Computing · Computer Science 2021-08-13 Mikhail Maslyaev , Alexander Hvatov

We establish the effective {\em finite dimensionality} of the dynamics corresponding to a flow-plate interaction PDE model arising in aeroelasticity: a nonlinear panel, in the absence of rotational inertia, immersed in an inviscid potential…

Analysis of PDEs · Mathematics 2020-06-25 Justin T. Webster