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High-dimensional partial differential equations (PDEs) pose significant challenges for numerical computation due to the curse of dimensionality, which limits the applicability of traditional mesh-based methods. Since 2017, the Deep BSDE…

数值分析 · 数学 2025-05-26 Jiequn Han , Arnulf Jentzen , Weinan E

Fractional Brownian motions(fBMs) are not semimartingales so the classical theory of It\^o integral can't apply to fBMs. Wick integration as one of the applications of Malliavin calculus to stochastic analysis is a fine definition for fBMs.…

概率论 · 数学 2025-04-01 Chunhao Cai , Cong Zhang

Partial differential equations (PDEs) are indispensable for modeling many physical phenomena and also commonly used for solving image processing tasks. In the latter area, PDE-based approaches interpret image data as discretizations of…

机器学习 · 计算机科学 2018-12-12 Lars Ruthotto , Eldad Haber

In this paper,we mainly focus on the numerical solution of high-dimensional stochastic optimal control problem driven by fully-coupled forward-backward stochastic differential equations (FBSDEs in short) through deep learning. We first…

最优化与控制 · 数学 2024-08-21 Shaolin Ji , Shige Peng , Ying Peng , Xichuan Zhang

One of the core problems in mean-field control and mean-field games is to solve the corresponding McKean-Vlasov forward-backward stochastic differential equations (MV-FBSDEs). Most existing methods are tailored to special cases in which the…

最优化与控制 · 数学 2023-09-20 Jiequn Han , Ruimeng Hu , Jihao Long

A new data-driven method for operator learning of stochastic differential equations(SDE) is proposed in this paper. The central goal is to solve forward and inverse stochastic problems more effectively using limited data. Deep operator…

机器学习 · 统计学 2022-04-08 Jiahao Zhang , Shiqi Zhang , Guang Lin

This paper proposes a novel deep generative model, called BSDE-Gen, which combines the flexibility of backward stochastic differential equations (BSDEs) with the power of deep neural networks for generating high-dimensional complex target…

机器学习 · 计算机科学 2023-04-11 Xingcheng Xu

In this paper, we consider approximating the parameter-to-solution maps of parametric partial differential equations (PPDEs) using deep neural networks (DNNs). We propose an efficient approach combining reduced collocation methods (RCMs)…

数值分析 · 数学 2025-08-18 Guanhang Lei , Zhen Lei , Lei Shi , Chenyu Zeng

Semilinear parabolic partial differential equations (PDEs) are fundamental to modeling complex dynamical systems across scientific domains. The Deep Backward Stochastic Differential Equation (BSDE) method is a promising approach for…

计算工程、金融与科学 · 计算机科学 2026-05-12 Xiaotao Zheng , Xingye Yue , Zhihong Xia , Xin Li

We propose and study a scheme combining the finite element method and machine learning techniques for the numerical approximations of coupled nonlinear forward-backward stochastic partial differential equations (FBSPDEs) with homogeneous…

数值分析 · 数学 2020-12-16 Hasib Uddin Molla , Jinniao Qiu

Deep neural networks (DNNs) are increasingly used to solve partial differential equations (PDEs) that naturally arise while modeling a wide range of systems and physical phenomena. However, the accuracy of such DNNs decreases as the PDE…

机器学习 · 计算机科学 2024-03-26 Mehdi Shishehbor , Shirin Hosseinmardi , Ramin Bostanabad

Bayesian flow networks (BFNs) iteratively refine the parameters, instead of the samples in diffusion models (DMs), of distributions at various noise levels through Bayesian inference. Owing to its differentiable nature, BFNs are promising…

机器学习 · 计算机科学 2024-06-04 Kaiwen Xue , Yuhao Zhou , Shen Nie , Xu Min , Xiaolu Zhang , Jun Zhou , Chongxuan Li

Scientific machine learning has been successfully applied to inverse problems and PDE discovery in computational physics. One caveat concerning current methods is the need for large amounts of ("clean") data, in order to characterize the…

数值分析 · 数学 2021-11-30 Christophe Bonneville , Christopher J. Earls

Solving high-dimensional partial differential equations is a recurrent challenge in economics, science and engineering. In recent years, a great number of computational approaches have been developed, most of them relying on a combination…

数值分析 · 数学 2023-01-31 Nikolas Nüsken , Lorenz Richter

Fractional-order differential equations (FDEs) enhance traditional differential equations by extending the order of differential operators from integers to real numbers, offering greater flexibility in modeling complex dynamical systems…

机器学习 · 计算机科学 2025-03-24 Qiyu Kang , Xuhao Li , Kai Zhao , Wenjun Cui , Yanan Zhao , Weihua Deng , Wee Peng Tay

Recently proposed numerical algorithms for solving high-dimensional nonlinear partial differential equations (PDEs) based on neural networks have shown their remarkable performance. We review some of them and study their convergence…

偏微分方程分析 · 数学 2021-09-17 Maximilien Germain , Huyen Pham , Xavier Warin

It is critical yet challenging for deep learning models to properly characterize uncertainty that is pervasive in real-world environments. Although a lot of efforts have been made, such as heteroscedastic neural networks (HNNs), little work…

机器学习 · 计算机科学 2021-03-30 Peng Cui , Zhijie Deng , Wenbo Hu , Jun Zhu

Stochastic partial differential equations (SPDEs) are ubiquitous in engineering and computational sciences. The stochasticity arises as a consequence of uncertainty in input parameters, constitutive relations, initial/boundary conditions,…

数据分析、统计与概率 · 物理学 2020-01-29 Sharmila Karumuri , Rohit Tripathy , Ilias Bilionis , Jitesh Panchal

Relying on the classical connection between Backward Stochastic Differential Equations (BSDEs) and non-linear parabolic partial differential equations (PDEs), we propose a new probabilistic learning scheme for solving high-dimensional…

数值分析 · 数学 2021-02-25 Jean-François Chassagneux , Junchao Chen , Noufel Frikha , Chao Zhou

Forward-backward stochastic differential equations (FBSDEs) have been generalized by introducing jumps for better capturing random phenomena, while the resulting FBSDEs are far more intricate than the standard one from every perspective. In…

数值分析 · 数学 2024-10-15 Reiichiro Kawai , Riu Naito , Toshihiro Yamada