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Global existence of strong solutions and the existence of global and atrractors are established for generalized Shigesada-Kawasaki-Teramoto models on planar domains. The cross diffusion and reaction can have polynomial growth of any order.

偏微分方程分析 · 数学 2016-05-19 Dung Le

This paper is concerned with the long-time behavior of solutions for the three dimensional primitive equations of large-scale ocean and atmosphere dynamics in an unbounded domain. Since the Sobolev embedding is no longer compact in an…

偏微分方程分析 · 数学 2016-12-09 Bo You , Fang Li

In this work we consider a four compartment Brusselator system. The reaction terms of this system are of non constant sign, thus components of the solution are not bounded apriori, and functional means to derive apriori bounds will fail. We…

动力系统 · 数学 2015-03-06 Rana D. Parshad , Said Kouachi , Nitu Kumari

In this paper we study the long-time behavior of a nonlocal Cahn-Hilliard system with singular potential, degenerate mobility, and a reaction term. In particular, we prove the existence of a global attractor with finite fractal dimension,…

偏微分方程分析 · 数学 2026-04-10 Annalisa Iuorio , Stefano Melchionna

Properties of an infinite system of nonlinearly coupled ordinary differential equations are discussed. This system models some properties present in the equations of motion for an inviscid fluid such as the skew symmetry and the…

偏微分方程分析 · 数学 2007-05-23 Alexey Cheskidov , Susan Friedlander , Natasa Pavlović

We show that the viscous Camassa-Holm equation subject to an external force, and where the viscosity term is given by second order differential operator in divergence form has a global attractors in the energy space $H^1$. Moreover, we…

动力系统 · 数学 2007-05-23 Milena Stanislavova , Atanas Stefanov

We study rigidity/flexibility properties of global solutions to the thin obstacle problem. For solutions with bounded positive sets, we give a classification in terms of their expansions at infinity. For solutions with bounded contact sets,…

偏微分方程分析 · 数学 2025-05-01 Xavier Fernández-Real , Hui Yu

In this article, we study the structure of the global attractor for a non-local one-dimensional quasilinear problem. The strong relation of our problem with a non-local version of the Chafee-Infante problem allows us to describe the…

动力系统 · 数学 2021-07-12 Estefani M. Moreira , José Valero

In this work we define the generalized $\varphi$-pullback attractors for evolution processes in complete metric spaces, which are compact and positively invariant families, such that they pullback attract bounded sets with a rate determined…

动力系统 · 数学 2023-11-28 Matheus C. Bortolan , Tomas Caraballo , Carlos Pecorari Neto

Recent equations of motion for the large deflections of a cantilevered elastic beam are analyzed. In the traditional theory of beam (and plate) large deflections, nonlinear restoring forces are due to the effect of stretching on bending;…

偏微分方程分析 · 数学 2021-04-06 Maria Deliyianni , Justin T. Webster

In this paper, we prove the global existence of strong solutions for the 3D incompressible inhomogeneous viscoelastic system. We do not assume the "initial state" assumption and the "div-curl" structure inspired by the works [59,61]. It is…

偏微分方程分析 · 数学 2024-03-04 Chengfei Ai , Yong Wang

We establish the well-posedness of a strongly damped semilinear wave equation equipped with nonlinear hyperbolic dynamic boundary conditions. Results are carried out with the presence of a parameter distinguishing whether the underlying…

偏微分方程分析 · 数学 2016-03-23 P. Jameson Graber , Joseph L. Shomberg

We compare various concepts of attractor in the context of non-autonomous dynamical systems. Then, we prove an appropriate version of the Pliss reduction principle for non-autonomous differential systems with rapidly oscillating…

动力系统 · 数学 2024-02-01 Russell Johnson , Víctor Muñoz-Villarragut

This paper is concerned with a fully nonlinear variant of the Allen-Cahn equation with strong irreversibility, where each solution is constrained to be non-decreasing in time. Main purposes of the paper are to prove the well-posedness,…

偏微分方程分析 · 数学 2018-01-30 Goro Akagi , Messoud Efendiev

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…

偏微分方程分析 · 数学 2012-01-31 Sergio Frigeri , Maurizio Grasselli

We consider the nonlinear integrodifferential Benjamin-Bona-Mahony equation $$ u_t - u_{txx} + u_x - \int_0^\infty g(s) u_{xx}(t-s) {\rm d} s + u u_x = f $$ where the dissipation is entirely contributed by the memory term. Under a suitable…

偏微分方程分析 · 数学 2017-05-08 Filippo Dell'Oro , Olivier Goubet , Youcef Mammeri , Vittorino Pata

The problem of enumerating dimers on an M x N net embedded on non-orientable surfaces is considered. We solve both the Moebius strip and Klein bottle problems for all M and N with the aid of imaginary dimer weights. The use of imaginary…

统计力学 · 物理学 2009-11-07 Wentao T. Lu , F. Y. Wu

In this paper, we first introduce the definitions of random evolutionary system that associate with random evolutionary semigroup and the corresponding global weak or strong random attractor. Then we establish the existence result about…

动力系统 · 数学 2026-05-26 Xingjie Yan , Rong Yang , Alain Miranville

Global dynamics of nonautonomous diffusive Hindmarsh-Rose equations on a three-dimensional bounded domain in neurodynamics is investigated. The existence of a pullback attractor is proved through uniform estimates showing the pullback…

偏微分方程分析 · 数学 2019-09-10 Chi Phan , Yuncheng You

I demonstrate that the concept of a non-equilibrium attractor can be extended beyond the lowest-order moments typically considered in hydrodynamic treatments. Using a previously obtained exact solution to the relaxation-time approximation…

核理论 · 物理学 2022-01-12 Michael Strickland