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Mostrando ítems 811-818 de 818
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Existence of solutions and stability for impulsive neutral stochastic functional differential equations
(Taylor & Franci, 2019)
In this paper we prove some results on the existence of solutions and the mean square asymptotic stability for a class of impulsive neutral stochastic differential systems with variable delays by using a contraction mapping ...
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Dynamics of a stochastic fractional nonlocal reaction-diffusion model driven by additive noise
(AIMS, 2022-07-01)
In this paper, we are concerned with the long-time behavior of stochastic fractional nonlocal reaction-diffusion equations driven by additive noise. We use the techniques of random dynamical systems to transform the ...
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Weak Pullback Attractors of Non-Autonomous Difference Inclusions
(Taylor & Francis, 2003)
Weak pullback attractors are defined for non-autonomous difference inclusions and their existence and upper semi continuous convergence under perturbation is established. Unlike strong pullback attractors, invariance and ...
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Pullback and Forward Attractors for a Damped Wave Equation with Delays
(2004)
The existence of a pullback (and also a uniform forward) attractor is proved for a damped wave equation containing a delay forcing term which, in particular, covers the models of Sine-Gordon type. The result follows from ...
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An augmented mixed finite element method for the Navier-Stokes equations with variable viscosity
(Society for Industrial and Applied Mathematics, 2016)
A new mixed variational formulation for the Navier–Stokes equations with constant density and variable viscosity depending nonlinearly on the gradient of velocity, is proposed and analyzed here. Our approach employs a ...
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The effect of a small bounded noise on the hyperbolicity for autonomous semilinear differential equations
(ScienceDirect, 2021-01-01)
In this work, we study permanence of hyperbolicity for autonomous differential equations under nonautonomous random/stochastic perturbations. For the linear case, we study robustness and existence of exponential dichotomies ...
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The three dimensional globally modified Navier-Stokes equations: Recent developments
(2013)
The globally modified Navier-Stokes equations (GMNSE) were introduced by Caraballo, Kloeden & Real in 2006 and have been investigated in a number of papers since then, both for their own sake and as a means of obtaining ...
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Asymptotic behaviour of linear Dirichlet parabolic problems with variable operators depending on time in varying domains
(Elsevier, 2005-06-01)
We study the asymptotic behaviour of the solutions of linear parabolic Dirichlet problems when the coefficients and the domains where the problems are posed vary simultaneously. In the limit problem it appear the H-limit ...