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In this paper, we consider the asymptotic behavior of weak solutions for non-autonomous diffusion equations with delay in time-dependent spaces when the nonlinear function $f$ is critical growth, the delay term $g(t, u_t)$ contains some…

Analysis of PDEs · Mathematics 2023-08-01 Bin Yang , Yuming Qin , Alain Miranville , Ke Wang

We consider a nonlinear reaction-diffusion equation settled on the whole euclidean space. We prove the well-posedness of the corresponding Cauchy problem in a general functional setting, namely, when the initial datum is uniformly locally…

Analysis of PDEs · Mathematics 2009-10-20 Maurizio Grasselli , Dalibor Pražák , Giulio Schimperna

In this paper we consider sufficient conditions for the existence of uniform compact global attractor for non-autonomous dynamical systems in special classes of infinite-dimensional phase spaces. The obtained generalizations allow us to…

Dynamical Systems · Mathematics 2016-09-06 Michael Zgurovsky , Mark Gluzman , Nataliia Gorban , Pavlo Kasyanov , Liliia Paliichuk , Olha Khomenko

The existence of a global attractor is proved for the skew-product semiflow induced by almost periodic Nicholson systems and new conditions are given for the existence of a unique almost periodic positive solution which exponentially…

Dynamical Systems · Mathematics 2024-02-01 Ana M. Sanz , Víctor M. Villarragut

This paper addresses the derivation of generic and tractable sufficient conditions ensuring the stability of a coupled system composed of a reaction-diffusion partial differential equation (PDE) and a finite-dimensional linear time…

Optimization and Control · Mathematics 2022-07-20 Hugo Lhachemi , Christophe Prieur

We prove the existence of regular dissipative solutions and global attractors for the 3D Brinkmann-Forchheimer equations with the nonlinearity of an arbitrary polynomial growth rate. In order to obtain this result, we prove the maximal…

Analysis of PDEs · Mathematics 2011-01-24 Varga K. Kalantarov , Sergey Zelik

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

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…

Analysis of PDEs · Mathematics 2023-10-02 E. Abdo , M. Ignatova

In this paper, we first prove an abstract theorem on the existence of polynomial attractors and the concrete estimate of their attractive velocity for infinite-dimensional dynamical systems, then apply this theorem to a class of wave…

Dynamical Systems · Mathematics 2022-05-09 Chunyan Zhao , Chengkui Zhong , Chunxiang Zhao

Using a new and general method, we prove the existence of random attractor for the three dimensional stochastic primitive equations defined on a manifold $\D\subset\R^3$ improving the existence of weak attractor for the deterministic model.…

Analysis of PDEs · Mathematics 2017-07-10 Lidan Wang , Guoli Zhou

The paper is devoted to studying the existence of a random attractor for stochastic porous media equations on infinite lattices under some conditions.

Dynamical Systems · Mathematics 2014-09-24 Anhui Gu , Yangrong Li , Jia Li

The paper is to study the asymptotic dynamics in nonmonotone comparable almost periodic reaction-diffusion system with Dirichlet boundary condition, which is comparable with uniformly stable strongly order-preserving system. By appealing to…

Dynamical Systems · Mathematics 2013-11-20 Feng Cao , Yelai Fu

We report the experimental evidence of the existence of a random attractor in a fully developed turbulent swirling flow. By defining a global observable which tracks the asymmetry in the flux of angular momentum imparted to the flow, we can…

We study asymptotic dynamics of a coupled system consisting of linearized 3D Navier--Stokes equations in a bounded domain and a classical (nonlinear) elastic plate equation for transversal displacement on a flexible flat part of the…

Analysis of PDEs · Mathematics 2011-09-21 Igor Chueshov , Iryna Ryzhkova

We consider a class of nonlinear Schrodinger equation in four and five space dimensions with an attractive potential. The nonlinearity is local but rather general encompassing for the first time both subcritical and supercritical (in L2)…

Analysis of PDEs · Mathematics 2009-06-22 E. Kirr , O. Mizrak

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…

Analysis of PDEs · Mathematics 2018-08-14 Joseph L. Shomberg

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…

Analysis of PDEs · Mathematics 2021-03-08 Dirk Hennig

We study the non-autonomous weakly damped wave equation with subquintic growth condition on the nonlinearity. Our main focus is the class of Shatah--Struwe solutions, which satisfy the Strichartz estimates and are coincide with the class of…

Analysis of PDEs · Mathematics 2021-01-19 Jakub Banaśkiewicz , Piotr Kalita

The long-term behaviour of solutions to a model for acoustic-structure interactions is addressed; the system is comprised of coupled semilinear wave (3D) and plate equations with nonlinear damping and critical sources. The questions of…

Dynamical Systems · Mathematics 2010-01-27 Francesca Bucci , Daniel Toundykov

This work is devoted to the study of the asymptotic behavior of nonautonomous reaction-diffusion equations in Dumbbell domains $\Omega_{\varepsilon} \subset \mathbb{R}^{N}$. Each $\Omega_{\varepsilon}$ is the union of a fixed open set…

Analysis of PDEs · Mathematics 2020-12-15 Maykel Belluzi , Tomás Caraballo , Marcelo J. D. Nascimento , Karina Schiabel
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