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In this paper the notion of global attractor is extended from the setting of semigroup actions on metric spaces to the setting of semigroup actions on uniformizable spaces. General conditions for the existence of global attractor are…

动力系统 · 数学 2018-04-17 Josiney A. Souza , Richard W. M. Alves

A long-time behavior of solutions to a nonlinear plate model subject to non-conservative and non-dissipative effects and nonlinear damping is considered. The model under study is a prototype for a suspension bridge under the effects of…

动力系统 · 数学 2025-07-08 Irena Lasiecka , Jose H. Rodrigues , Madhumita Roy

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

We consider a family of non-autonomous reaction-diffusion equations with almost periodic, rapidly oscillating principal part and nonlinear interactions. As the frequency of the oscillations tends to infinity, we prove that the solutions of…

偏微分方程分析 · 数学 2007-05-23 F. Antoci , M. Prizzi

Using properties of asymptotically almost periodic solutions we prove existence theorem for piece-wise continuous almost periodic solutions of differential equations with delay and impulses. We apply these results to study almost periodic…

动力系统 · 数学 2013-11-07 Y. M. Myslo , V. I. Tkachenko

We consider a Large Eddy Simulation model for a homogeneous incompressible Newtonian fluid in a box space domain with periodic boundary conditions on the lateral boundaries and homogeneous Dirichlet conditions on the top and bottom…

偏微分方程分析 · 数学 2014-02-24 Luca Bisconti , Davide Catania

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 consider a class of differential equations, $\ddot x + \gamma \dot x + g(x) = f(\omega t)$, with $\omega \in {\bf R}^{d}$, describing one-dimensional dissipative systems subject to a periodic or quasi-periodic (Diophantine) forcing. We…

动力系统 · 数学 2014-03-24 Michele V. Bartuccelli , Jonathan H. B. Deane , Guido Gentile

In this paper, existence of a strong global solution for all finite time is derived for the Kirchhoff's model of parabolic type. Based on exponential weight function, some new regularity results which reflect the exponential decay property…

数值分析 · 数学 2015-11-13 Sudeep Kundu , Amiya K. Pani , Morrakot Khebchareon

In this paper, we are concerned with the Cauchy problem for isentropic gas dynamics. Through the contribution of many researchers such as Lax, P. D., Glimm, J., DiPerna, R. J. and Liu, T. P., the decay of solutions was established. They…

偏微分方程分析 · 数学 2023-01-04 Naoki Tsuge

We derive the global existence of weak solutions of the Shigesada-Kawasaki-Teramoto systems in space dimension less or equal to 4 with a rather general condition on the coefficients. The existence is established using finite differences in…

偏微分方程分析 · 数学 2016-10-20 Du Pham , Roger Temam

We establish asymptotic gain along with input-to-state practical stability results for disturbed semilinear systems w.r.t. the global attractor of the respective undisturbed system. We apply our results to a large class of nonlinear…

偏微分方程分析 · 数学 2020-10-21 Jochen Schmid , Oleksiy V. Kapustyan , Sergey Dashkovskiy

This paper is concerned with the initial boundary value problem for one dimensional strongly damped wave equation involving $p$-Laplacian. For $p>2$, we establish the existence of weak local attractors for this problem in…

偏微分方程分析 · 数学 2017-08-02 Azer Khanmamedov , Zehra Şen

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

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…

偏微分方程分析 · 数学 2009-10-02 Olivier Goubet , Luc Molinet

In this paper, we study the global attractivity for a class of periodic difference equation with delay which has a generalized form of Pielou's difference equation. The global dynamics of the equation is characterized by using a relation…

动力系统 · 数学 2010-06-18 Keigo Ishihara , Yukihiko Nakata

The paper is devoted to a modification of the classical Cahn-Hilliard equation proposed by some physicists. This modification is obtained by adding the second time derivative of the order parameter multiplied by an inertial coefficient…

偏微分方程分析 · 数学 2015-05-14 Maurizio Grasselli , Giulio Schimperna , Sergey Zelik

This paper is concerned with the existence and regularity of global attractor $\mathcal A$ for a Kirchhoff wave equation with strong damping and memory in the weighted time-dependent spaces $\mathcal H$ and $\mathcal H^{1}$, respectively.…

偏微分方程分析 · 数学 2023-03-28 Bin Yang , Yuming Qin , Alain Miranville , Ke Wang

Mean field modeling is a popular approach to assess the performance of large scale computer systems. The evolution of many mean field models is characterized by a set of ordinary differential equations that have a unique fixed point. In…

性能 · 计算机科学 2019-04-18 Benny Van Houdt

We consider the Hamiltonian system of scalar wave field and a single nonrelativistic particle coupled in a translation invariant manner. The particle is also subject to a confining external potential. The stationary solutions of the system…

数学物理 · 物理学 2016-11-11 A. Komech , E. Kopylova , H. Spohn