Two explicit methods for one-sided Lipschitz stochastic differential equations driven by fractional Brownian motion

IF 2.6 2区 数学 Q1 MATHEMATICS, APPLIED Journal of Computational and Applied Mathematics Pub Date : 2025-06-01 Epub Date: 2024-12-26 DOI:10.1016/j.cam.2024.116462
Jingjun Zhao, Hao Zhou, Yang Xu
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引用次数: 0

Abstract

For solving the stochastic differential equations with the one-sided Lipschitz and polynomial increasing drift coefficients driven by fractional Brownian motion, we propose the tamed Euler–Maruyama method and the explicit Euler–Maruyama method with projection. By using the modified coefficients, the errors of these two explicit methods are analyzed recursively and the convergence rates are obtained. A numerical experiment is carried out to support our theoretical results.
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分数布朗运动驱动单边Lipschitz随机微分方程的两种显式方法
对于分数阶布朗运动驱动的单面Lipschitz和多项式增加漂移系数的随机微分方程,我们提出了温和Euler-Maruyama方法和带投影的显式Euler-Maruyama方法。利用修正系数,递归分析了这两种显式方法的误差,得到了收敛速度。通过数值实验验证了理论结果。
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来源期刊
CiteScore
5.40
自引率
4.20%
发文量
437
审稿时长
3.0 months
期刊介绍: The Journal of Computational and Applied Mathematics publishes original papers of high scientific value in all areas of computational and applied mathematics. The main interest of the Journal is in papers that describe and analyze new computational techniques for solving scientific or engineering problems. Also the improved analysis, including the effectiveness and applicability, of existing methods and algorithms is of importance. The computational efficiency (e.g. the convergence, stability, accuracy, ...) should be proved and illustrated by nontrivial numerical examples. Papers describing only variants of existing methods, without adding significant new computational properties are not of interest. The audience consists of: applied mathematicians, numerical analysts, computational scientists and engineers.
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