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In this article, we investigate the long-term dynamics of a class of two- and three-dimensional non-Newtonian fluids of differential type, known as third-grade fluids. We first show that when the external forcing is sufficiently small, the…

概率论 · 数学 2026-01-22 Kush Kinra

In this article we study the long-time behaviour of a system of nonlinear Partial Differential Equations (PDEs) modelling the motion of incompressible, isothermal and conducting modified bipolar fluids in presence of magnetic field. We…

偏微分方程分析 · 数学 2015-07-06 Paul Andre Razafimandimby

A general class of dynamical systems which can be trained to operate in classification and generation modes are introduced. A procedure is proposed to plant asymptotic stationary attractors of the deterministic model. Optimizing the…

The present paper is devoted to the existence of a random attractor for stochastic lattice FitzHugh-Nagumo system driven by $\alpha$-stable L\'evy noises under some dissipative conditions.

动力系统 · 数学 2015-06-18 Anhui Gu , Yangrong Li , Jia Li

We consider a non-linear parabolic partial differential equation (PDE) on $\mathbb R^d$ with a distributional coefficient in the non-linear term. The distribution is an element of a Besov space with negative regularity and the non-linearity…

偏微分方程分析 · 数学 2022-09-21 Elena Issoglio

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…

动力系统 · 数学 2010-01-27 Francesca Bucci , Daniel Toundykov

We develop a new and general method to prove the the existence of the random attractor (strong attractor) for the primitive equations (PEs) of large-scale ocean and atmosphere dynamics under $non$-$periodic$ boundary conditions and driven…

概率论 · 数学 2017-05-22 Guoli Zhou

We study the asymptotic behavior of solutions of discrete nonlinear Schr\"odinger-type (DNLS) equations. For a conservative system, we consider the global in time solvability and the question of existence of standing wave solutions.…

经典分析与常微分方程 · 数学 2007-05-23 Nikos I. Karachalios , Athanasios N. Yannacopoulos

We consider a 2-dimensional stochastic differential equation in polar coordinates depending on several parameters. We show that if these parameters belong to a specific regime then the deterministic system explodes in finite time, but the…

动力系统 · 数学 2022-06-17 Matti Leimbach , Jonathan C. Mattingly , Michael Scheutzow

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…

In this paper, we study well-posedness of random periodic solutions of stochastic differential equations (SDEs) of McKean-Vlasov type driven by a two-sided Brownian motion, where the random periodic behaviour is characterised by the…

概率论 · 数学 2024-12-05 Jianhai Bao , Goncalo Dos Reis , Yue Wu

Partial differential equations (PDEs) describing thermodynamically isolated systems typically possess conserved quantities (like mass, momentum, and energy) and dissipated quantities (like entropy). Preserving these conservation and…

数值分析 · 数学 2025-12-01 Boris D. Andrews , Patrick E. Farrell

This article discusses the weak pullback attractors for a damped stochastic fractional Schr\"odinger equation on $\mathbb{R}^n$ with $n\geq 2$. By utilizing the stochastic Strichartz estimates and a stopping time technique argument, the…

偏微分方程分析 · 数学 2024-11-06 Ao Zhang , Yanjie Zhang , Sanyang Zhai , Li Lin

Recent biological evidence suggests the presence of a two-phase ageing process in several species. We introduce a system of two age-structured partial differential equations (PDE) representing two phases of ageing of a wild population. The…

偏微分方程分析 · 数学 2026-03-24 Luce Breuil

In this paper, we consider a stochastic model of incompressible non-Newtonian fluids of second grade on a bounded domain of $\mathbb{R}^2$ with multiplicative noise. We first show that the solutions to the stochastic equations of second…

概率论 · 数学 2018-04-17 Shijie Shang

A semi-discretization in time, according to a full implicit Euler scheme, for a 2D dissipative quasi geostrophic equation, is studied. We prove existence, uniqueness and regularity results of the solution to the predicted discretization, in…

数值分析 · 数学 2011-06-28 Maithem Moalla-Trabelsi , Ezzeddine Zahrouni

In this paper, we investigate the nonlocal reaction-diffusion equation driven by stationary noise, which is a regular approximation to white noise and satisfies certain properties. We show the existence of random attractor for the equation.…

动力系统 · 数学 2025-11-04 Xiuling Gui , Jin Yang , Chunfeng Wang , Jing Hou , Ji Shu

Stochastic partial differential equations driven by Poisson random measures (PRM) have been proposed as models for many different physical systems, where they are viewed as a refinement of a corresponding noiseless partial differential…

概率论 · 数学 2012-09-25 Amarjit Budhiraja , Jiang Chen , Paul Dupuis

This is a survey of results on long time behavior and attractors for nonlinear Hamiltonian partial differential equations, considering the global attraction to stationary states, stationary orbits, and solitons, the adiabatic effective…

数学物理 · 物理学 2015-12-01 Alexander Komech

We discuss numerical aspects related to a new class of nonlinear Stochastic Differential Equations in the sense of McKean, which are supposed to represent non conservative nonlinear Partial Differential equations (PDEs). We propose an…

概率论 · 数学 2016-08-03 Anthony Le Cavil , Nadia Oudjane , Francesco Russo