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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

The aim of this paper is to prove the existence and qualitative property of random attractors for a stochastic nonlocal delayed reaction-diffusion equation (SNDRDE) on a semi-infinite interval with a Dirichlet boundary condition on the…

动力系统 · 数学 2023-02-14 Wenjie Hu , Quanxin Zhu , Tomás Caraballo

We study stochastic resonance in an over-damped approximation of the stochastic Duffing oscillator from a random dynamical systems point of view. We analyse this problem in the general framework of random dynamical systems with a…

动力系统 · 数学 2015-10-26 Anna Maria Cherubini , Jeroen S. W. Lamb , Martin Rasmussen , Yuzuru Sato

Kolmogorov flow in two dimensions - the two-dimensional Navier-Stokes equations with a sinusoidal body force - is considered over extended periodic domains to reveal localised spatiotemporal complexity. The flow response mimicks the forcing…

流体动力学 · 物理学 2015-06-16 Dan Lucas , Rich R. Kerswell

This paper is devoted to investigating the random dynamics of stochastic discrete long-wave-short-wave resonance equations, which are characterized by the following features: $(1)$ the equations contain locally Lipschitz nonlinear coupling…

概率论 · 数学 2026-03-18 Xia Pan , Jianhua Huang , Juntao Wu , Jiangwei Zhang

In this paper we prove that the stochastic Navier-Stokes equations with stable L\'evy noise generates a random dynamical systems. Then we prove the existence of random attractor for the Navier-Stokes equations on 2D spheres under stable…

概率论 · 数学 2019-10-22 Leanne Dong

We consider SDEs driven by two different sources of additive noise, which we refer to as intrinsic and common. We establish almost sure existence and uniqueness of pullback attractors with respect to realisations of the common noise only.…

动力系统 · 数学 2021-08-12 Federico Graceffa , Jeroen S. W. Lamb

This paper deals with the long term dynamics of the non-autonomous McKean-Vlasov stochastic reaction-diffusion equations on R^n. We first prove the existence and uniqueness of pullback measure attractors of the non-autonomous dynamical…

概率论 · 数学 2024-09-27 Lin Shi , Jun Shen , Kening Lu , Bixiang Wang

We develop the dichotomy spectrum for random dynamical system and demonstrate its use in the characterization of pitchfork bifurcations for random dynamical systems with additive noise. Crauel and Flandoli had shown earlier that adding…

动力系统 · 数学 2013-10-24 Mark Callaway , Thai Son Doan , Jeroen S. W. Lamb , Martin Rasmussen

We consider a stochastic lattice Cahn-Hilliard equation with nonautonomous nonlinear noise. First, we prove the existence of pullback random attractors in $\ell^2$ for the generated nonautonomous random dynamical system. Then, we construct…

概率论 · 数学 2024-04-24 Jintao Wang , Dongdong Zhu , Chunqiu Li

This paper is concerned with pullback dynamics of 3D Navier-Stokes equations with variable viscosity and subject to time-dependent external forces. Our main result establishes the existence of finite-dimensional pullback attractors in a…

动力系统 · 数学 2019-01-23 Xin-Guang Yang , Baowei Feng , Shubin Wang , To Fu Ma , Yongjin Lu

In this article, we discuss the existence and asymptotically autonomous robustness (AAR) (almost surely) of random attractors for 3D stochastic globally modified Navier-Stokes equations (SGMNSE) on Poincar\'e domains (which may be bounded…

概率论 · 数学 2026-02-17 Bui Kim My , Ho Thi Hang , Kush Kinra , Manil T. Mohan , Pham Tri Nguyen

In this paper we study the longtime dynamics of mild solutions to retarded stochastic evolution systems driven by a Hilbert-valued Brownian motion. As a preparation for this purpose we have to show the existence and uniqueness of a cocycle…

动力系统 · 数学 2013-02-12 Hakima Bessaih , María J. Garrido-Atienza , Björn Schmalfuss

This thesis is concerned with the asymptotic behavior of solutions of stochastic $p$-Laplace equations driven by non-autonomous forcing on $\mathbb{R}^n$. Two cases are studied, with additive and multiplicative noise respectively. Estimates…

偏微分方程分析 · 数学 2014-08-05 Andrew Krause

We derive and study stochastic dissipative dynamics on coadjoint orbits by incorporating noise and dissipation into mechanical systems arising from the theory of reduction by symmetry, including a semidirect-product extension. Random…

动力系统 · 数学 2017-08-02 Alexis Arnaudon , Alex L. Castro , Darryl D. Holm

The asymptotically autonomous robustness of random attractors of stochastic fluid equations defined on \emph{bounded} domains has been considered in the literature. In this article, we initially consider this topic (almost surely and in…

概率论 · 数学 2022-08-16 Renhai Wang , Kush Kinra , Manil T. Mohan

This article concerns the random dynamics and asymptotic analysis of the well known mathematical model, the Navier-Stokes equations. We consider the two-dimensional stochastic Navier-Stokes equations (SNSE) driven by a \textsl{linear…

概率论 · 数学 2023-02-06 Kush Kinra , Manil T. Mohan

In this work, we discuss the large time behavior of the solutions of the two dimensional stochastic convective Brinkman-Forchheimer (SCBF) equations in bounded domains. Under the functional setting $\V\hookrightarrow\H\hookrightarrow\V'$,…

概率论 · 数学 2020-11-13 Kush Kinra , Manil T. Mohan

In this article, we study the global dynamics of a discrete two dimensional competition model. We give sufficient conditions on the persistence of one species and the existence of local asymptotically stable interior period-2 orbit for this…

动力系统 · 数学 2011-02-14 Yun Kang , Hal Smith

We study long-time dynamics of a class of abstract second order in time evolution equations in a Hilbert space with the damping term depending both on displacement and velocity. This damping represents the nonlinear strong dissipation…

动力系统 · 数学 2010-10-26 Igor Chueshov , Stanislav Kolbasin