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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…

Analysis of PDEs · Mathematics 2020-10-21 Jochen Schmid , Oleksiy V. Kapustyan , Sergey Dashkovskiy

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…

Analysis of PDEs · Mathematics 2007-05-23 F. Antoci , M. Prizzi

Propagation characteristics of the chirped dissipative solitary waves are investigated within the framework of higher order complex cubic quintic Ginzburg Landau equation. Potentially rich set of exact chirped dissipative pulses, such as,…

Pattern Formation and Solitons · Physics 2023-04-05 Naresh Saha , Baranana Roy , Avinash Khare

We consider dynamical behavior of non-autonomous wave-type evolutionary equations with nonlinear damping, critical nonlinearity, and time-dependent external forcing which is translation bounded but not translation compact (i.e., external…

Dynamical Systems · Mathematics 2009-11-11 Chunyou Sun , Daomin Cao , Jinqiao Duan

We study the long time behaviour of solutions for the weakly damped forced Kawahara equation on the torus. More precisely, we prove the existence of a global attractor in $L^2$, to which as time passes all solutions draw closer. In fact, we…

Analysis of PDEs · Mathematics 2024-12-03 Jaeseop Ahn , Seongyeon Kim , Ihyeok Seo

We prove the existence and uniqueness of tempered random attractors for stochastic Reaction-Diffusion equations on unbounded domains with multiplicative noise and deterministic non-autonomous forcing. We establish the periodicity of the…

Analysis of PDEs · Mathematics 2012-05-22 Bixiang Wang

We discuss several classes of linear second order initial-boundary value problems, where damping terms appear in the main wave equation as well as in the dynamic boundary condition. We investigate their well-posedness and describe some…

Analysis of PDEs · Mathematics 2018-12-21 Delio Mugnolo

We investigate trend to equilibrium for the damped wave equation with a confining potential in the Euclidean space. We provide with necessary and sufficient geometric conditions for the energy to decay exponentially uniformly. The proofs…

Analysis of PDEs · Mathematics 2024-06-26 Antoine Prouff

For the focusing cubic wave equation on a compact Riemannian manifold of dimension $3$, the dichotomy between global existence and blow-up for solutions starting below the energy of the ground state is known since the work of Payne and…

Analysis of PDEs · Mathematics 2024-03-13 Thomas Perrin

We present a short overview of the recent results in the theory of diffusion and wave equations with generalised derivative operators. We give generic examples of such generalised diffusion and wave equations, which include time-fractional,…

Statistical Mechanics · Physics 2019-03-05 Trifce Sandev , Ralf Metzler , Aleksei Chechkin

We prove existence of the global attractor of the damped and driven Euler--Bardina equations on the 2D sphere and on arbitrary domains on the sphere and give explicit estimates of its fractal dimension in terms of the physical parameters.

Analysis of PDEs · Mathematics 2021-07-23 Alexei Ilyin , Anna Kostianko , Sergey Zelik

We study the Kolmogorov's entropy of uniform attractors for non-autonomous dissipative PDEs. The main attention is payed to the case where the external forces are not translation-compact. We present a new general scheme which allows us to…

Analysis of PDEs · Mathematics 2022-02-14 Yangmin Xiong , Anna Kostianko , Chunyou Sun , Sergey Zelik

We review recent results on global attractors of U(1)-invariant dispersive Hamiltonian systems. We study several models based on the Klein-Gordon equation and sketch the proof that in these models, under certain generic assumptions, the…

Analysis of PDEs · Mathematics 2008-04-25 Alexander Komech , Andrew Komech

The aim of this paper is to study the robustness of the family of pullback attractors associated to a non-autonomous coupled system of strongly damped wave equations, given by the following evolution system $$\left\{ \begin{array}{lr}…

Dynamical Systems · Mathematics 2023-12-12 Everaldo M. Bonotto , Alexandre N. Carvalho , Marcelo J. D. Nascimento , Eric B. Santiago

This survey is dedicated to the 100th anniversary of Mark Iosifovich Vishik and is based on a number of mini-courses taught by the author at University of Surrey (UK) and Lanzhou University (China). It discusses the classical and modern…

Dynamical Systems · Mathematics 2022-08-26 Sergey Zelik

We investigate a non-isothermal viscous relaxation of some nonlocal Cahn-Hilliard equations. This perturbation problem generates a family of solution operators, exhibiting dissipation and conservation. The solution operators admit a family…

Analysis of PDEs · Mathematics 2016-07-12 Joseph L. Shomberg

We revisit the proof of global well-posedness and scattering for the defocusing energy-critical NLS in three space dimensions in light of recent developments. This result was obtained previously by Colliander, Keel, Staffilani, Takaoka, and…

Analysis of PDEs · Mathematics 2011-08-04 Rowan Killip , Monica Visan

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…

Analysis of PDEs · Mathematics 2009-11-13 Giulio Schimperna

We extend the framework of Nambu-Hamiltonian Mechanics to include dissipation in $R^{3}$ phase space. We demonstrate that it accommodates the phase space dynamics of low dimensional dissipative systems such as the much studied Lorenz and…

Chaotic Dynamics · Physics 2014-11-20 Minos Axenides , Emmanuel Floratos

We develop the attractors theory for the semigroups with multidimensional time belonging to some closed cone in an Euclidean space and apply the obtained general results to partial differential equations (PDEs) in unbounded domains. The…

Analysis of PDEs · Mathematics 2022-08-04 Anna Kostianko , Sergey Zelik