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In a previous paper, we studied the ergodic properties of an Euler scheme of a stochastic differential equation with a Gaussian additive noise in order to approximate the stationary regime of such equation. We now consider the case of…

概率论 · 数学 2013-11-20 Serge Cohen , Fabien Panloup , Samy Tindel

This paper studies a stochastic functional differential equation driven by a fractional Brownian motion with Hurst parameter H>1/2, constrained to be reflected at 0. We prove the existence of solutions using the Euler method. However,…

概率论 · 数学 2024-10-02 Chadad Monir

We investigate the global well-posedness and asymptotic behavior of $L^2$-solutions to stochastic nonlinear Schr\"odinger equations with multiplicative noise driven by continuous square integrable martingales with density. Our approach…

概率论 · 数学 2026-05-12 Isamu Dôku , Shunya Hashimoto , Shuji Machihara

This article is devoted to the study of the existence and uniqueness of mild solution to time- and space-fractional stochastic Burgers equation perturbed by multiplicative white noise. The required results are obtained by stochastic…

数值分析 · 数学 2017-06-06 Guang-an Zou , Bo Wang

This article deals with stochastic partial differential equations with quadratic nonlinearities perturbed by small additive and multiplicative noise. We present the approximate solution of the original equation via the amplitude equation…

偏微分方程分析 · 数学 2021-12-14 Shiduo Qu , Wenlei Li , Shaoyun Shi

We analyze a system of stochastic differential equations describing the joint motion of a massive (inert) particle in a viscous fluid in the presence of a gravitational field and a Brownian particle impinging on it from below, which…

概率论 · 数学 2020-01-07 Sayan Banerjee , Brendan Brown

We consider non-degenerate SDEs with a $\beta$-Holder continuous and bounded drift term and driven by a Levy noise $L$ which is of $\alpha$-stable type. If $\alpha \in [1,2)$ and $\beta \in (1 - \frac{\alpha}{2},1) $ we show pathwise…

动力系统 · 数学 2014-05-13 Enrico Priola

By proving an $L^2$-gradient estimate for the corresponding Galerkin approximations, the log-Harnack inequality is established for the semigroup associated to a class of stochastic Burgers equations. As applications, we derive the strong…

概率论 · 数学 2010-09-30 Feng-Yu Wang , Jiang-Lun Wu , Lihu Xu

It is well-known that for a one dimensional stochastic differential equation driven by Brownian noise, with coefficient functions satisfying the assumptions of the Yamada-Watanabe theorem \cite{yamada1,yamada2} and the Feller test for…

概率论 · 数学 2016-08-25 Duc Hoang Luu , Tat Dat Tran , Jürgen Jost

In the paper, Harnack inequalities are established for stochastic differential equations driven by fractional Brownian motion with Hurst parameter $H<1/2$. As applications, strong Feller property, log-Harnack inequality and entropy-cost…

概率论 · 数学 2012-02-17 Xi-Liang Fan

We study functional stochastic differential equations with a locally unbounded, functional drift focusing on well-posedness, stability and the strong Feller property. Following the non-functional case, we only consider integrability…

概率论 · 数学 2020-09-08 Stefan Bachmann

In a recent paper by Kamrani et al. (2024), exponential Euler method for stiff stochastic differential equations with additive fractional Brownian noise was discussed, and the convergence order close to the Hurst parameter H was proved.…

概率论 · 数学 2024-07-08 Haozhe Chen , Zhaotong Shen , Qian Yu

In this article, we study the stability of solutions to 3D stochastic primitive equations driven by fractional noise. Since the fractional Brownian motion is essentially different from Brownian motion, lots of stochastic analysis tools are…

概率论 · 数学 2021-04-21 Lidan Wang , Guoli Zhou

High-resolution numerical experiments, described in this work, show that velocity fluctuations governed by the one-dimensional Burgers equation driven by a white-in-time random noise with the spectrum $\overline{|f(k)|^2}\propto k^{-1}$…

adap-org · 物理学 2009-10-28 Alexei Chekhlov , Victor Yakhot

In this work, we prove a version of H\"{o}rmander's theorem for a stochastic evolution equation driven by a trace-class fractional Brownian motion with Hurst exponent $\frac{1}{2} < H < 1$ and an analytic semigroup on a given separable…

概率论 · 数学 2020-03-19 Jorge A. de Nascimento , Alberto Ohashi

We prove that the stochastic Burgers equation on $\mathbf{R}^{d}$, $d<4$, forced by gradient noise that is white in time and smooth in space, admits spacetime-stationary solutions. These solutions are thus the gradients of solutions to the…

概率论 · 数学 2021-04-28 Alexander Dunlap

We prove existence and uniqueness of the solution of a stochastic shell--model. The equation is driven by an infinite dimensional fractional Brownian--motion with Hurst--parameter $H\in (1/2,1)$, and contains a non--trivial coefficient in…

偏微分方程分析 · 数学 2014-10-27 Hakima Bessaih , María J. Garrido-Atienza , Björn Schmalfuss

In this article we establish strong convergence rates on the whole probability space for explicit full-discrete approximations of stochastic Burgers equations with multiplicative trace-class noise. The key step in our proof is to establish…

概率论 · 数学 2022-11-01 Martin Hutzenthaler , Robert Link

We study the asymptotic properties of the trajectories of a discrete-time random dynamical system in an infinite-dimensional Hilbert space. Under some natural assumptions on the model, we establish a multiplica-tive ergodic theorem with an…

偏微分方程分析 · 数学 2020-01-22 Davit Martirosyan , Vahagn Nersesyan

Under full H\"ormander's conditions, we prove the strong Feller property of the semigroup determined by an SDE driven by additive subordinate Brownian motion, where the drift is allowed to be arbitrarily growth. For this, we extend a…

概率论 · 数学 2014-02-18 Zhao Dong , Xuhui Peng , Yulin Song , Xicheng Zhang