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Related papers: Random Attractor for Stochastic Hindmarsh-Rose Equ…

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In this paper we prove the existence of random attractors for the Navier--Stokes equations on 2 dimensional sphere under random forcing irregular in space and time. We also deduce the existence of an invariant measure.

Analysis of PDEs · Mathematics 2015-06-03 Zdzislaw Brzeźniak , Beniamin Goldys , Quoc Thong Le Gia

The well-studied Hindmarsh-Rose model of neural action potential is revisited from the point of view of global bifurcation analysis. This slow-fast system of three paremeterised differential equations is arguably the simplest reduction of…

Dynamical Systems · Mathematics 2011-09-28 Daniele Linaro , Alan Champneys , Mathieu Desroches , Marco Storace

We observe the occurrence of a strange nonchaotic attractor in a periodically driven two-dimensional map, formerly proposed as a neuron model and a sequence generator. We characterize this attractor through the study of the Lyapunov…

Statistical Mechanics · Physics 2007-05-23 Andre S. Cassol , Fabio L. S. Veiga , Marcelo H. R. Tragtenberg

In this paper, a standard about the existence and upper semi-continuity of pullback attractors in the non-initial space is established for some classes of non-autonomous SPDE. This pullback attractor, which is the omega-limit set of the…

Analysis of PDEs · Mathematics 2015-04-17 Wenqiang Zhao , Shuzhi Song

This paper is devoted to the regularity of Navier-Stokes (NS) equations with additive white noise on two-dimensional torus $\mathbb T^2$. Under the conditions that the external force $f(x)$ belongs to the phase space $ H$ and the noise…

Analysis of PDEs · Mathematics 2025-08-27 Hongyong Cui , Hui Liu , Jie Xin

The main purpose of this paper is to give an upper bound of Hausdorff dimension of random attractors for a stochastic delayed parabolic equation in Banach spaces. The estimation of dimensions of random attractors are obtained by combining…

Analysis of PDEs · Mathematics 2024-02-20 Wenjie Hu , TomásCaraballo , Yueliang Duan

We consider invertible linear maps with additive spherical bounded noise. We show that minimal attractors of such random dynamical systems are unique, strictly convex and have a continuously differentiable boundary. Moreover, we present an…

Dynamical Systems · Mathematics 2023-10-06 Jeroen S. W. Lamb , Martin Rasmussen , Wei Hao Tey

We consider a model for the evolution of a mixture of two incompressible and partially immiscible Newtonian fluids in two dimensional bounded domain. More precisely, we address the well-known model H consisting of the Navier-Stokes equation…

Analysis of PDEs · Mathematics 2013-04-04 Stefano Bosia , Stefania Gatti

We propose a notion of random horseshoe for one-dimensional random dynamical systems. We prove the abundance of random horseshoes for a class of circle endomorphisms subject to additive noise, large enough to make the Lyapunov exponent…

Dynamical Systems · Mathematics 2024-04-09 Jeroen S. W. Lamb , Giuseppe Tenaglia , Dmitry Turaev

This paper is devoted to the study of nonautonomous multivalued semiflows and their associated pullback attractors. For this kind of dynamical systems we are able to characterize the upper and lower bounds of the attractor as complete…

Dynamical Systems · Mathematics 2024-07-04 José A. Langa , Jacson Simsen , Mariza Stefanello Simsen , José Valero

This paper is devoted to the study of the asymptotic dynamics of the stochastic damped sine-Gordon equation with homogeneous Neumann boundary condition. It is shown that for any positive damping and diffusion coefficients, the equation…

Dynamical Systems · Mathematics 2014-02-11 Zhongwei Shen , Shengfan Zhou , Wenxian Shen

Chaotic phases in stochastic differential equations are characterized by two essential long-time dynamical features: a random attractor capturing asymptotic geometry and a Sinai-Ruelle-Bowen (SRB) measure describing statistical information.…

Dynamical Systems · Mathematics 2025-09-17 Chuchu Chen , Jialin Hong , Yibo Wang

In this paper, a non-autonomous stochastic logistic system is considered. An interesting result on the effect of stochastically perturbation for the dynamic behavior are obtained. That is, under certain conditions the stochastic system have…

Dynamical Systems · Mathematics 2012-08-08 Hu Hongxiao

This paper is devoted to the higher regularity and convergence of solutions of anisotropic Navier-Stokes (NS) equations with additive colored noise and white noise on two-dimensional torus $\mathbb T^2$. Under the conditions that the…

Analysis of PDEs · Mathematics 2025-08-26 Hui Liu , Dong Su , Chengfeng Sun , Jie Xin

We report the experimental evidence of the existence of a random attractor in a fully developed turbulent swirling flow. By defining a global observable which tracks the asymmetry in the flux of angular momentum imparted to the flow, we can…

We prove the exponential stability of the zero solution of a stochastic differential equation with a H\"older noise, under the strong dissipativity assumption. As a result, we also prove that there exists a random pullback attractor for a…

Probability · Mathematics 2019-05-14 Luu Hoang Duc , Phan Thanh Hong , Nguyen Dinh Cong

We investigate the asymptotic behavior of probability measures associated with stochastic dynamical systems featuring either globally contracting or $B_{r}$-contracting drift terms. While classical results often assume constant diffusion…

Dynamical Systems · Mathematics 2025-05-14 Simone Betteti , Francesco Bullo

We demonstrate the phenomenon of stochastic resonance (SR) for discrete-time dynamical systems. We investigate various systems that are not necessarily bistable, but do have two well defined states, switching between which is aided by…

chao-dyn · Physics 2009-10-30 Prashant M. Gade , Renuka Rai , Harjinder Singh

This paper is a continuation of the paper \cite{JL}, which focuses on exploring the global stability of nonlinear stochastic feedback systems on the nonnegative orthant driven by multiplicative white noise and presenting a couple of…

Dynamical Systems · Mathematics 2016-12-05 Jifa Jiang , Xiang Lv

In the stability theory of dynamical systems, Lyapunov functions play a fundamental role. In this paper, we study the attractor-repeller pair decomposition and Morse decomposition for compact metric space in the random setting. In contrast…

Dynamical Systems · Mathematics 2007-05-23 Zhenxin Liu , Shuguan Ji , Menglong Su
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