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We study two damped and forced discrete nonlinear Schr\"odinger equations on the one-dimensional infinite lattice. Without damping and forcing they are represented by the integrable Ablowitz-Ladik equation (AL) featuring non-local cubic…

偏微分方程分析 · 数学 2021-03-08 Dirk Hennig

We prove the existence of a compact random attractor for the stochastic Benjamin-Bona-Mahony Equation defined on an unbounded domain. This random attractor is invariant and attracts every pulled-back tempered random set under the forward…

偏微分方程分析 · 数学 2008-05-14 Bixiang Wang

In this paper, we are concerned with the one-dimensional initial boundary value problem for isentropic gas dynamics. Through the contribution of great researchers such as Lax, P. D., Glimm, J., DiPerna, R. J. and Liu, T. P., the decay…

偏微分方程分析 · 数学 2023-06-05 Yun-guang Lu , Okihiro Sawada , Naoki Tsuge

This paper is concerned with the long-time behavior of solutions for the three dimensional viscous primitive equations of large-scale moist atmosphere. We prove the existence of a global attractor for the three dimensional viscous primitive…

数学物理 · 物理学 2016-10-25 Bo You , Fang Li

We consider a nonlocal nonlinear model with fractional diffusion motivated by studies of electroconvection phenomena in incompressible viscous fluids. We address the global well-posedness, global regularity and long time dynamics of the…

偏微分方程分析 · 数学 2023-10-02 E. Abdo , M. Ignatova

In this paper, the existence, uniqueness, and positivity of solutions, as well as the asymptotic behavior through a finite fractal dimensional global attractor for a general Advection-Diffusion-Reaction (ADR) equation, are investigated. Our…

偏微分方程分析 · 数学 2025-01-03 Mohammed Elghandouri , Khalil Ezzinbi , Lamiae Saidi

Under consideration is the damped semilinear wave equation \[ u_{tt}+u_t-\Delta u+u+f(u)=0 \] in a bounded domain $\Omega$ in $\mathbb{R}^3$ subject to an acoustic boundary condition with a singular perturbation, which we term "massless…

偏微分方程分析 · 数学 2018-08-14 Joseph L. Shomberg

We present the scalar-tensor gravitational theory with an exponential potential in which pauli metric is regarded as the physical space-time metric. We show that it is essentially equivalent to coupled quintessence(CQ) model. However for…

高能物理 - 理论 · 物理学 2008-11-26 Wei Fang , H. Q. Lu , Z. G. Huang

The Penrose-Fife system for phase transitions is addressed. Dirichlet boundary conditions for the temperature are assumed. Existence of global and exponential attractors is proved. Differently from preceding contributions, here the energy…

偏微分方程分析 · 数学 2008-01-18 Giulio Schimperna

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…

动力系统 · 数学 2009-06-25 Yuncheng You

We study pullback attractors of non-autonomous non-compact dynamical systems generated by differential equations with non-autonomous deterministic as well as stochastic forcing terms. We first introduce the concepts of pullback attractors…

偏微分方程分析 · 数学 2012-04-24 Bixiang Wang

We consider non-Newtonian incompressible 3D fluid of Ladyzhenskaya type, in the setting of the dynamic boundary condition. Assuming sufficient growth rate of the stress tensor with respect to the velocity gradient, we establish explicit…

偏微分方程分析 · 数学 2023-01-20 Dalibor Prazak , Buddhika Priyasad

In this paper, we study the initial boundary value problem for the two dimensional strong damped wave equation with exponentially growing source and damping terms. We first show the well-posedness of this problem and then prove the…

偏微分方程分析 · 数学 2013-07-17 Azer Khanmamedov

The aim of this paper is to extend the concept of regional exponential general observability to the case of Neumann boundary conditions problem in diffusion system. More precisely, for linear distributed parameter diffusion systems, we show…

最优化与控制 · 数学 2020-05-29 Zainab A. Jaafar , Raheam A. Al-Saphory

This paper is primarily focused on the asymptotic dynamics of a non-autonomous stochastic FitzHugh-Nagumo system with distribution dependence, specifically on unbounded domains $\mathbb{R}^{n}$. Initially, we establish the well-posedness of…

概率论 · 数学 2025-01-08 Hu Ruiyan , Li Dingshi , Zeng Tianhao

We consider a system of several nonlinear equations with a distributed delay and obtain absolute asymptotic stability conditions, independent of the delay. The ideas of the proofs are based on the notion of a strong attractor. The results…

动力系统 · 数学 2021-05-26 Leonid Berezansky , Elena Braverman

We address, in a three-dimensional spatial setting, both the viscous and the standard Cahn-Hilliard equation with a nonconstant mobility coefficient. As it was shown in J.W. Barrett and J.W. Blowey, Math. Comp., 68 (1999), 487-517, one…

偏微分方程分析 · 数学 2009-11-13 Giulio Schimperna

In this paper we obtain the continuity of attractors for nonlinear parabolic equations with nonlinear boundary conditions when the boundary of the domain varies very rapidly as a parameter $\epsilon$ goes to zero. We consider the case where…

偏微分方程分析 · 数学 2024-06-05 Gleiciane S. Aragão , José M. Arrieta , Simone M. Bruschi

We study the asymptotic behavior of large data solutions in the energy space $H := H^1(\R^d)$ in very high dimension $d \geq 11$ to defocusing Schr\"odinger equations $i u_t + \Delta u = |u|^{p-1} u + Vu$ in $\R^d$, where $V \in…

偏微分方程分析 · 数学 2008-05-28 Terence Tao

The purpose of this paper is to give a characterization of the structure of non-autonomous attractors of the problem $u_t= u_{xx} + \lambda u - \beta(t)u^3$ when the parameter $\lambda > 0$ varies. Also, we answer a question proposed in…

动力系统 · 数学 2020-01-08 Rita de Cássia D. S. Broche , Alexandre N. Carvalho , José Valero