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An averaged space–time discretization of the stochastic p-Laplace system
Numerische Mathematik ( IF 2.1 ) Pub Date : 2022-12-31 , DOI: 10.1007/s00211-022-01343-7
Lars Diening , Martina Hofmanová , Jörn Wichmann

We study the stochastic p-Laplace system in a bounded domain. We propose two new space–time discretizations based on the approximation of time-averaged values. We establish linear convergence in space and 1/2 convergence in time. Additionally, we provide a sampling algorithm to construct the necessary random input in an efficient way. The theoretical error analysis is complemented by numerical experiments.



中文翻译:

随机 p-拉普拉斯系统的平均时空离散化

我们研究了有界域中的随机p -Laplace 系统。我们基于时间平均值的近似提出了两种新的时空离散化。我们在空间上建立线性收敛,在时间上建立 1/2 收敛。此外,我们提供了一种采样算法,以有效的方式构造必要的随机输入。理论误差分析由数值实验补充。

更新日期:2023-01-01
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