Convergent Finite Difference Schemes for Stochastic Transport Equations

IF 2.8 2区 数学 Q1 MATHEMATICS, APPLIED SIAM Journal on Numerical Analysis Pub Date : 2025-01-22 DOI:10.1137/23m159946x
Ulrik S. Fjordholm, Kenneth H. Karlsen, Peter H. C. Pang
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引用次数: 0

Abstract

SIAM Journal on Numerical Analysis, Volume 63, Issue 1, Page 149-192, February 2025.
Abstract. We present difference schemes for stochastic transport equations with low-regularity velocity fields. We establish [math] stability and convergence of the difference approximations under conditions that are less strict than those required for deterministic transport equations. The [math] estimate, crucial for the analysis, is obtained through a discrete duality argument and a comprehensive examination of a class of backward parabolic difference schemes.
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随机输运方程的收敛有限差分格式
SIAM数值分析杂志,第63卷,第1期,第149-192页,2025年2月。摘要。给出了具有低规则速度场的随机输运方程的差分格式。我们建立了[数学]的稳定性和收敛的差异近似的条件下,不严格的要求比确定性输运方程。对分析至关重要的[数学]估计是通过离散对偶论证和对一类向后抛物型差分格式的全面检查获得的。
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来源期刊
CiteScore
4.80
自引率
6.90%
发文量
110
审稿时长
4-8 weeks
期刊介绍: SIAM Journal on Numerical Analysis (SINUM) contains research articles on the development and analysis of numerical methods. Topics include the rigorous study of convergence of algorithms, their accuracy, their stability, and their computational complexity. Also included are results in mathematical analysis that contribute to algorithm analysis, and computational results that demonstrate algorithm behavior and applicability.
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