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相关论文: Weak error estimates of fully-discrete schemes for…

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In this article, we develop and analyze a full discretization, based on the spatial spectral Galerkin method and the temporal drift implicit Euler scheme, for the stochastic Cahn--Hilliard equation driven by multiplicative space-time white…

数值分析 · 数学 2020-06-22 Jianbo Cui , Jialin Hong

In this article, we consider the stochastic Cahn--Hilliard equation driven by space-time white noise. We discretize this equation by using a spatial spectral Galerkin method and a temporal accelerated implicit Euler method. The optimal…

数值分析 · 数学 2020-06-23 Jianbo Cui , Jialin Hong , Liying Sun

We discretize the stochastic Allen-Cahn equation with additive noise by means of a spectral Galerkin method in space and a tamed version of the exponential Euler method in time. The resulting error bounds are analyzed for the…

数值分析 · 数学 2021-01-20 Meng Cai , Siqing Gan , Xiaojie Wang

We prove a weak rate of convergence of a fully discrete scheme for stochastic Cahn--Hilliard equation with additive noise, where the spectral Galerkin method is used in space and the backward Euler method is used in time. Compared with the…

数值分析 · 数学 2023-03-21 Meng Cai , Siqing Gan , Yaozhong Hu

In this paper, we propose and analyze an explicit time-stepping scheme for a spatial discretization of stochastic Cahn--Hilliard equation with additive noise. The fully discrete approximation combines a spectral Galerkin method in space…

数值分析 · 数学 2023-08-31 Meng Cai , Ruisheng Qi , Xiaojie Wang

In Becker and Jentzen (2019) and Becker et al. (2017), an explicit temporal semi-discretization scheme and a space-time full-discretization scheme were, respectively, introduced and analyzed for the additive noise-driven stochastic…

数值分析 · 数学 2020-10-07 Xiaojie Wang

Novel fully discrete schemes are developed to numerically approximate a semilinear stochastic wave equation driven by additive space-time white noise. Spectral Galerkin method is proposed for the spatial discretization, and exponential time…

数值分析 · 数学 2020-08-10 Xiaojie Wang , Siqing Gan , Jingtian Tang

Strong approximation errors of both finite element semi-discretization and spatio-temporal full discretization are analyzed for the stochastic Allen-Cahn equation driven by additive noise in space dimension $d \leq 3$. The full…

数值分析 · 数学 2020-08-04 Ruisheng Qi , Xiaojie Wang

In this paper we construct space-time full discretizations of stochastic Allen-Cahn equations driven by space-time white noise on 2D torus. The approximations are implemented by tamed exponential Euler discretization in time and spectral…

概率论 · 数学 2024-06-07 Ting Ma , Lifei Wang , Huanyu Yang

We discrete the ergodic semilinear stochastic partial differential equations in space dimension $d \leq 3$ with additive noise, spatially by a spectral Galerkin method and temporally by an exponential Euler scheme. It is shown that both the…

数值分析 · 数学 2020-06-16 Ziheng Chen , Siqing Gan , Xiaojie Wang

We establish an optimal strong convergence rate of a fully discrete numerical scheme for second order parabolic stochastic partial differential equations with monotone drifts, including the stochastic Allen-Cahn equation, driven by an…

数值分析 · 数学 2020-05-21 Zhihui Liu , Zhonghua Qiao

We present an abstract framework for analyzing the weak error of fully discrete approximation schemes for linear evolution equations driven by additive Gaussian noise. First, an abstract representation formula is derived for sufficiently…

数值分析 · 数学 2013-07-17 M. Kovács , S. Larsson , F. Lindgren

We consider the stochastic Cahn-Hilliard equation driven by additive Gaussian noise in a convex domain with polygonal boundary in dimension $d\le 3$. We discretize the equation using a standard finite element method in space and a fully…

数值分析 · 数学 2018-05-04 Daisuke Furihata , Mihály Kovács , Stig Larsson , Fredrik Lindgren

In this article, we consider the stochastic Cahn--Hilliard equation driven by multiplicative space-time white noise with diffusion coefficient of sublinear growth. By introducing the spectral Galerkin method, we first obtain the…

概率论 · 数学 2020-06-23 Jianbo Cui , Jialin Hong

We consider the stochastic Cahn-Hilliard equation with additive space-time white noise $\epsilon^{\gamma}\dot{W}$ in dimension $d=2,3$, where $\epsilon>0$ is an interfacial width parameter. We study numerical approximation of the equation…

数值分析 · 数学 2025-01-09 Ľubomír Baňas , Jean Daniel Mukam

In two recent publications [Kov{\'a}cs, Larsson, and Mesforush, SIAM J. Numer. Anal. 49(6), 2407-2429, 2011] and [Furihata, et al., SIAM J. Numer. Anal. 56(2), 708-731, 2018], strong convergence of the semi-discrete and fully discrete…

数值分析 · 数学 2020-06-16 Ruisheng Qi , Xiaojie Wang

We consider an initial- and Dirichlet boundary- value problem for a fourth-order linear stochastic parabolic equation, in two or three space dimensions, forced by an additive space-time white noise. Discretizing the space-time white noise a…

数值分析 · 数学 2009-06-11 Georgios T. Kossioris , Georgios E. Zouraris

In this paper we propose an explicit fully discrete scheme to numerically solve the stochastic Allen-Cahn equation. The spatial discretization is done by a spectral Galerkin method, followed by the temporal discretization by a tamed…

数值分析 · 数学 2026-04-22 Yibo Wang , Wanrong Cao

This article is devoted to long-time weak approximations of stochastic partial differential equations (SPDEs) evolving in a bounded domain $\mathcal{D} \subset \mathbb{R}^d$, $d \leq 3$, with non-globally Lipschitz and possibly…

数值分析 · 数学 2025-07-15 Yingsong Jiang , Xiaojie Wang

This article is devoted to the analysis of the weak rates of convergence of schemes introduced by the authors in a recent work, for the temporal discretization of the stochastic Allen-Cahn equation driven by space-time white noise. The…

数值分析 · 数学 2018-04-19 Charles-Edouard Bréhier , Ludovic Goudenège
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