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Partial differential equations (PDEs) play a dominant role in the mathematical modeling of many complex dynamical processes. Solving these PDEs often requires prohibitively high computational costs, especially when multiple evaluations must…

机器学习 · 计算机科学 2022-09-07 Muhammad I. Zafar , Jiequn Han , Xu-Hui Zhou , Heng Xiao

The challenge of applying learned knowledge from one domain to solve problems in another related but distinct domain, known as transfer learning, is fundamental in operator learning models that solve Partial Differential Equations (PDEs).…

机器学习 · 计算机科学 2024-08-21 Haoyang Jiang , Yongzhi Qu

In this work, we propose data-integrated neural networks (DataInNet) for solving partial differential equations (PDEs), offering a novel approach to leveraging data (e.g., source terms, initial conditions, and boundary conditions). The core…

数值分析 · 数学 2026-02-02 Jiachun Zheng , Yunqing Huang , Nianyu Yi , Yunlei Yang

Traditional image segmentation methods, such as variational models based on partial differential equations (PDEs), offer strong mathematical interpretability and precise boundary modeling, but often suffer from sensitivity to parameter…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Kaili Qi , Wenli Yang , Ye Li , Zhongyi Huang

One of the main challenges in using deep learning-based methods for simulating physical systems and solving partial differential equations (PDEs) is formulating physics-based data in the desired structure for neural networks. Graph neural…

Recent years have witnessed the emerging success of graph neural networks (GNNs) for modeling structured data. However, most GNNs are designed for homogeneous graphs, in which all nodes and edges belong to the same types, making them…

机器学习 · 计算机科学 2020-03-04 Ziniu Hu , Yuxiao Dong , Kuansan Wang , Yizhou Sun

Graph representation learning has many real-world applications, from super-resolution imaging, 3D computer vision to drug repurposing, protein classification, social networks analysis. An adequate representation of graph data is vital to…

机器学习 · 计算机科学 2021-12-17 Xuebin Zheng , Bingxin Zhou , Yu Guang Wang , Xiaosheng Zhuang

Gas transport and other complex real-world challenges often require solving and controlling partial differential equations (PDEs) defined on graph structures, which typically demand substantial memory and computational resources. The Random…

数值分析 · 数学 2025-06-16 Martín Hernández , Enrique Zuazua

The finite element method (FEM) is a well-established numerical method for solving partial differential equations (PDEs). However, its mesh-based nature gives rise to substantial computational costs, especially for complex multiscale…

计算工程、金融与科学 · 计算机科学 2025-06-24 Weihang Ouyang , Yeonjong Shin , Si-Wei Liu , Lu Lu

Solving Partial Differential Equation (PDE) interface problems on varying domains is a critical task in design and optimization, yet it remains computationally prohibitive for traditional solvers. Although operator learning has shown…

数值分析 · 数学 2026-04-07 Shanshan Xiao , Ye Li , Zhongyi Huang , Hao Wu

Partial Differential Equations (PDEs) underpin many scientific phenomena, yet traditional computational approaches often struggle with complex, nonlinear systems and irregular geometries. This paper introduces the AMG method, a Multi-Graph…

机器学习 · 计算机科学 2025-02-10 Zhihao Li , Haoze Song , Di Xiao , Zhilu Lai , Wei Wang

Partial differential equations (PDEs) are widely used for modeling various physical phenomena. These equations often depend on certain parameters, necessitating either the identification of optimal parameters or the solution of the…

数值分析 · 数学 2025-10-17 Martina Bukač , Iva Manojlović , Boris Muha , Domagoj Vlah

In this paper, based on the combination of finite element mesh and neural network, a novel type of neural network element space and corresponding machine learning method are designed for solving partial differential equations. The…

数值分析 · 数学 2025-04-24 Yifan Wang , Zhongshuo Lin , Hehu Xie

Partial differential equations (PDEs) are ubiquitous in the world around us, modelling phenomena from heat and sound to quantum systems. Recent advances in deep learning have resulted in the development of powerful neural solvers; however,…

人工智能 · 计算机科学 2023-11-13 Yolanne Yi Ran Lee

We propose a unified framework for delay differential equations (DDEs) based on deep neural networks (DNNs) - the neural delay differential equations (NDDEs), aimed at solving the forward and inverse problems of delay differential…

机器学习 · 计算机科学 2024-08-27 Housen Wang , Yuxing Chen , Sirong Cao , Xiaoli Wang , Qiang Liu

Learning underlying dynamics from data is important and challenging in many real-world scenarios. Incorporating differential equations (DEs) to design continuous networks has drawn much attention recently, however, most prior works make…

机器学习 · 计算机科学 2023-02-03 Yesom Park , Jaemoo Choi , Changyeon Yoon , Chang hoon Song , Myungjoo Kang

Developing efficient numerical algorithms for the solution of high dimensional random Partial Differential Equations (PDEs) has been a challenging task due to the well-known curse of dimensionality. We present a new solution framework for…

机器学习 · 计算机科学 2019-10-17 Mohammad Amin Nabian , Hadi Meidani

With massive advancements in sensor technologies and Internet-of-things, we now have access to terabytes of historical data; however, there is a lack of clarity in how to best exploit the data to predict future events. One possible…

计算物理 · 物理学 2022-05-05 Tapas Tripura , Souvik Chakraborty

Polygonal meshes have become the standard for discretely approximating 3D shapes, thanks to their efficiency and high flexibility in capturing non-uniform shapes. This non-uniformity, however, leads to irregularity in the mesh structure,…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Giuseppe Vecchio , Luca Prezzavento , Carmelo Pino , Francesco Rundo , Simone Palazzo , Concetto Spampinato

Integrating prior knowledge of neurophysiology into neural network architecture enhances the performance of emotion decoding. While numerous techniques emphasize learning spatial and short-term temporal patterns, there has been limited…

机器学习 · 计算机科学 2025-03-18 Yi Ding , Chengxuan Tong , Shuailei Zhang , Muyun Jiang , Yong Li , Kevin Lim Jun Liang , Cuntai Guan