Results 11 to 20 of about 206 (175)

Dynamics of plate equations with time delay driven by additive noise in R n $\mathbb{R}^{n}$

open access: yesJournal of Inequalities and Applications, 2023
This paper is concerned with the asymptotic behavior of solutions for plate equations with delay blurred by additive noise in R n $\mathbb{R}^{n}$ . First, we obtain the uniform compactness of pullback random attractors of the problem, then derive the ...
Xiaobin Yao
doaj   +1 more source

Coupled nonautonomous inclusion systems with spatially variable exponents

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2021
A family of nonautonomous coupled inclusions governed by $p(x)$-Laplacian operators with large diffusion is investigated. The existence of solutions and pullback attractors as well as the generation of a generalized process are established.
Peter Kloeden, Jacson Simsen
doaj   +1 more source

Pullback Attractors for a Nonautonomous Retarded Degenerate Parabolic Equation

open access: yesDiscrete Dynamics in Nature and Society, 2020
This paper is devoted to a nonautonomous retarded degenerate parabolic equation. We first show the existence and uniqueness of a weak solution for the equation by using the standard Galerkin method.
Fahe Miao, Hui Liu, Jie Xin
doaj   +1 more source

Backwards Asymptotically Autonomous Dynamics for 2D MHD Equations

open access: yesDiscrete Dynamics in Nature and Society, 2018
We consider the backwards topological property of pullback attractors for the nonautonomous MHD equations. Under some backwards assumptions of the nonautonomous force, it is shown that the theoretical existence result for such an attractor is derived ...
Jiali Yu, Wenhuo Su, Dongmei Xu
doaj   +1 more source

Pullback Attractors for Nonautonomous Degenerate Kirchhoff Equations with Strong Damping

open access: yesAdvances in Mathematical Physics, 2021
In this paper, we obtain the existence of pullback attractors for nonautonomous Kirchhoff equations with strong damping, which covers the case of possible generation of the stiffness coefficient.
Honglv Ma, Jing Wang, Jun Xie
doaj   +1 more source

Pullback attractors for a class of non-autonomous reaction-diffusion equations in R n $\mathbb{R}^{n}$

open access: yesBoundary Value Problems, 2017
The aim of this paper is to consider the dynamical behaviour for a class of non-autonomous reaction-diffusion equations in R n $\mathbb{R}^{n}$ , where the external force g ( x , t ) $g(x,t)$ satisfies only a certain integrability condition.
Qiangheng Zhang
doaj   +1 more source

Asymptotic behavior of non-autonomous fractional p-Laplacian equations driven by additive noise on unbounded domains

open access: yesBulletin of Mathematical Sciences, 2021
This paper deals with the asymptotic behavior of solutions to non-autonomous, fractional, stochastic p-Laplacian equations driven by additive white noise and random terms defined on the unbounded domain ℝN.
Renhai Wang, Bixiang Wang
doaj   +1 more source

Pullback attractors for generalized evolutionary systems

open access: yesDiscrete and Continuous Dynamical Systems - B, 2015
We give an abstract framework for studying nonautonomous PDEs, called a generalized evolutionary system. In this setting, we define the notion of a pullback attractor. Moreover, we show that the pullback attractor, in the weak sense, must always exist. We then study the structure of these attractors and the existence of a strong pullback attractor.
Kavlie, Landon, Cheskidov, Alexey
openaire   +3 more sources

Robustness of 3D Navier–Stokes System with Increasing Damping

open access: yesApplied Sciences, 2023
The principal objective of the paper is the study of the three-dimensional Navier–Stokes system with non-autonomous perturbation force term and increasing damping term, which often appears in the fluid system within saturated porous media and other ...
Jie Cao, Keqin Su
doaj   +1 more source

Weak pullback attractors of setvalued processes

open access: yesJournal of Mathematical Analysis and Applications, 2003
Weak pullback attractors are de ned for nonautonomous setvalued processes and their existence and upper semi continuous convergence under perturbation is established. Unlike strong pullback attractors, invariance and pullback attraction here are required only for at least one trajectory rather than all trajectories at each starting point.
Caraballo Garrido, Tomás   +2 more
openaire   +4 more sources

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