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This article is devoted to the analysis of semilinear, parabolic, Stochastic Partial Differential Equations, with slow and fast time scales. Asymptotically, an averaging principle holds: the slow component converges to the solution of…

概率论 · 数学 2018-10-16 Charles-Edouard Bréhier

In this paper, we study the averaging principle for a class of stochastic differential equations driven by $\alpha$-stable processes with slow and fast time-scales, where $\alpha\in(1,2)$. We prove that the strong and weak convergence order…

概率论 · 数学 2021-05-11 Xiaobin Sun , Longjie Xie , Yingchao Xie

In this paper, we study a class of slow-fast stochastic partial differential equations with multiplicative Wiener noise. Under some appropriate conditions, we prove the slow component converges to the solution of the corresponding averaged…

概率论 · 数学 2021-05-31 Yi Ge , Xiaobin Sun , Yingchao Xie

This paper considers a class of nonautonomous slow-fast stochastic partial differential equations driven by $\alpha$-stable processes for $\alpha\in (1,2)$. By introducing the evolution system of measures, we establish an averaging…

概率论 · 数学 2025-07-11 Yueling Li , Xiaobin Sun , Zijuan Wang , Yingchao Xie

Using Zvonkin's transform and the Poisson equation in $R^d$ with a parameter, we prove the averaging principle for stochastic differential equations with time-dependent H\"older continuous coefficients. Sharp convergence rates with order…

概率论 · 数学 2019-07-23 Michael Röckner , Xiaobin Sun , Longjie Xie

We study the averaging principle for a family of multiscale stochastic dynamical systems. The fast and slow components of the systems are driven by two independent stable L\'evy noises, whose stable indexes may be different. The…

动力系统 · 数学 2023-11-14 Yanjie Zhang , Qiao Huang , Xiao Wang , Zibo Wang , Jinqiao Duan

In this paper, the strong averaging principle is researched for a class of H\"{o}lder continuous drift slow-fast SPDEs with $\alpha$-stable process by the Zvonkin's transformation and the classical Khasminkii's time discretization method.…

概率论 · 数学 2021-05-11 Xiaobin Sun , Huilian Xia , Yingchao Xie , Xingcheng Zhou

This work is devoted to averaging principle of a two-time-scale stochastic partial differential equation on a bounded interval $[0, l]$, where both the fast and slow components are directly perturbed by additive noises. Under some regular…

概率论 · 数学 2018-02-06 Hongbo Fu , Li Wan , Jicheng Liu , Xianming Liu

We first establish strong convergence rates for multiscale systems driven by $\alpha$-stable processes, with analyses constructed in two distinct scaling regimes. When addressing weak convergence rates of this system, we derive four…

概率论 · 数学 2026-03-03 Kun Yin

In this paper, we consider the averaging principle for a class of McKean-Vlasov stochastic differential equations with slow and fast time-scales. Under some proper assumptions on the coefficients, we first prove that the slow component…

概率论 · 数学 2019-10-01 Michael Röckner , Xiaobin Sun , Yingchao Xie

In this paper, we first study the well-posedness of a class of McKean-Vlasov stochastic partial differential equations driven by cylindrical $\alpha$-stable process, where $\alpha\in(1,2)$. Then by the method of the Khasminskii's time…

概率论 · 数学 2021-06-11 Mengyuan Kong , Yinghui Shi , Xiaobin Sun

In this work we are concerned with the study of the strong order of convergence in the averaging principle for slow-fast systems of stochastic evolution equations in Hilbert spaces with additive noise. In particular the stochastic…

概率论 · 数学 2023-06-07 Filippo de Feo

We show an averaging result for a system of stochastic evolution equations of parabolic type with slow and fast time scales. We derive explicit bounds for the approximation error with respect to the small parameter defining the fast time…

数值分析 · 数学 2012-02-14 Charles-Edouard Bréhier

In this paper, we investigate the convergence rate of the averaging principle for stochastic differential equations (SDEs) with $\beta$-H\"older drift driven by $\alpha$-stable processes. More specifically, we first derive the Schauder…

动力系统 · 数学 2024-09-20 Mengyu Cheng , Zimo Hao , Xicheng Zhang

This paper is devoted to proving the strong averaging principle for slow-fast stochastic partial differential equations with locally monotone coefficients, where the slow component is a stochastic partial differential equations with locally…

概率论 · 数学 2019-09-11 Wei Liu , Michael Röckner , Xiaobin Sun , Yingchao Xie

This paper focuses on stochastic partial differential equations (SPDEs) under two-time-scale formulation. Distinct from the work in the existing literature, the systems are driven by $\alpha$-stable processes with $\alpha \in(1,2)$. In…

统计理论 · 数学 2016-09-30 Jianhai Bao , George Yin , Chenggui Yuan

It is well known that the Euler method for a random ordinary differential equation $\mathrm{d}X_t/\mathrm{d}t = f(t, X_t, Y_t)$ driven by a stochastic process $\{Y_t\}_t$ with $\theta$-H\"older sample paths is estimated to be of strong…

概率论 · 数学 2025-10-21 Peter E. Kloeden , Ricardo M. S. Rosa

This article deals with the weak errors for averaging principle for a stochastic wave equation in a bounded interval $[0,L]$, perturbed by a oscillating term arising as the solution of a stochastic reaction-diffusion equation evolving with…

概率论 · 数学 2017-03-20 Hongbo Fu , Li Wan , Jicheng Liu , Xianming Liu

In this paper, we investigate the averaging principle for a class of semilinear slow-fast partial differential equations driven by finite-dimensional rough multiplicative noise. Specifically, the slow component is driven by a general random…

概率论 · 数学 2024-11-26 Miaomiao Li , Yunzhang Li , Bin Pei , Yong Xu

We establish an averaging principle for a structural multiscale stochastic nonlinear fractional Schr\"odinger system on the one-dimensional torus driven by a multiplicative Wiener noise. The slow component is governed by a fractional…

偏微分方程分析 · 数学 2026-05-13 Manil T. Mohan , Debopriya Mukherjee , Sandip Roy
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