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Pretraining methods gain increasing attraction recently for solving PDEs with neural operators. It alleviates the data scarcity problem encountered by neural operator learning when solving single PDE via training on large-scale datasets…

机器学习 · 计算机科学 2024-11-28 Tian Wang , Chuang Wang

Quadratic Unconstrained Binary Optimization (QUBO) sits at the heart of many industries and academic fields such as logistics, supply chain, finance, pharmaceutical science, chemistry, IT, and energy sectors, among others. These problems…

量子物理 · 物理学 2025-12-02 Chia-Tso Lai , Carsten Blank , Peter Schmelcher , Rick Mukherjee

Recent progress in deep learning has been driven by increasingly larger models. However, their computational and energy demands have grown proportionally, creating significant barriers to their deployment and to a wider adoption of deep…

机器学习 · 计算机科学 2025-09-16 Pedro Savarese

The success of Neural networks in providing miraculous results when applied to a wide variety of tasks is astonishing. Insight in the working can be obtained by studying the universal approximation property of neural networks. It is proved…

机器学习 · 计算机科学 2021-11-17 R Subhash Chandra Bose , Kakarla Yaswanth

High-fidelity simulations of laser welding capture complex thermo-fluid phenomena, including phase change, free-surface deformation, and keyhole dynamics, however their computational cost limits large-scale process exploration and real-time…

机器学习 · 计算机科学 2026-04-01 Alix Benoit , Toni Ivas , Mateusz Papierz , Asel Sagingalieva , Alexey Melnikov , Elia Iseli

There has recently been increasing attention towards developing foundational neural Partial Differential Equation (PDE) solvers and neural operators through large-scale pretraining. However, unlike vision and language models that make use…

机器学习 · 计算机科学 2024-11-21 AmirPouya Hemmasian , Amir Barati Farimani

Multi-objective optimization (MOO) problems are prevalent in machine learning. These problems have a set of optimal solutions, called the Pareto front, where each point on the front represents a different trade-off between possibly…

机器学习 · 计算机科学 2021-04-27 Aviv Navon , Aviv Shamsian , Gal Chechik , Ethan Fetaya

We present an approach for solving optimal Dirichlet boundary control problems of nonlinear optics by using deep learning. For computing high resolution approximations of the solution to the nonlinear wave model, we propose higher order…

数值分析 · 数学 2023-12-27 Nils Margenberg , Franz X. Kärtner , Markus Bause

Ultrasound-based elasticity imaging is a non-invasive technique for estimating tissue stiffness fields from displacement fields obtained by comparing ultrasound signals before and after compression. While recent deep learning approaches…

医学物理 · 物理学 2026-01-22 Heekyu Kim , Hugon LEe , Minwoo Park , Seunghwa Ryu

Nowadays, Large Language Models (LLMs) have been trained using extended context lengths to foster more creative applications. However, long context training poses great challenges considering the constraint of GPU memory. It not only leads…

Neural operator learning directly constructs the mapping relationship from the equation parameter space to the solution space, enabling efficient direct inference in practical applications without the need for repeated solution of partial…

机器学习 · 计算机科学 2026-04-28 Heng Wu , Junjie Wang , Benzhuo Lu

Efficient and accurate time-domain simulation of electromagnetic fields in complex photonic devices is critical for designing broadband and ultrafast optical components, yet it is often limited by the high computational cost of conventional…

光学 · 物理学 2026-02-05 Zaifan Wu , Yue You , Xian Zhou , Fan Zhang

Neural operators learn to map initial conditions to the terminal solution of partial differential equations (PDEs), providing a surrogate for the full operator mapping. This enables rapid prediction across different input configurations.…

机器学习 · 计算机科学 2026-05-14 Runlong Xie , An Luo

Neural network based approximate computing is a universal architecture promising to gain tremendous energy-efficiency for many error resilient applications. To guarantee the approximation quality, existing works deploy two neural networks…

机器学习 · 计算机科学 2018-12-19 Zhenghao Peng , Xuyang Chen , Chengwen Xu , Naifeng Jing , Xiaoyao Liang , Cewu Lu , Li Jiang

Real-world problems are often multi-objective with decision-makers unable to specify a priori which trade-off between the conflicting objectives is preferable. Intuitively, building machine learning solutions in such cases would entail…

机器学习 · 计算机科学 2021-10-20 Timo M. Deist , Monika Grewal , Frank J. W. M. Dankers , Tanja Alderliesten , Peter A. N. Bosman

In this work, we propose a concise neural operator architecture for operator learning. Drawing an analogy with a conventional fully connected neural network, we define the neural operator as follows: the output of the $i$-th neuron in a…

机器学习 · 计算机科学 2024-06-27 Juncai He , Xinliang Liu , Jinchao Xu

In computational physics, a longstanding challenge lies in finding numerical solutions to partial differential equations (PDEs). Recently, research attention has increasingly focused on Neural Operator methods, which are notable for their…

机器学习 · 计算机科学 2025-09-26 Yichen Song , Yalun Wu , Yunbo Wang , Xiaokang Yang

Computational fluid dynamics (CFD) has become an essential tool for predicting fire behavior, yet maintaining both efficiency and accuracy remains challenging. A major source of computational cost in fire simulations is the modeling of…

流体动力学 · 物理学 2026-04-16 Anran Jiao , Wengyao Jiang , Xiaoyi Lu , Yi Wang , Lu Lu

In this paper, we explores the expressivity and trainability of the Fourier Neural Operator (FNO). We establish a mean-field theory for the FNO, analyzing the behavior of the random FNO from an edge of chaos perspective. Our investigation…

机器学习 · 计算机科学 2024-09-27 Takeshi Koshizuka , Masahiro Fujisawa , Yusuke Tanaka , Issei Sato

In modern Deep Learning, it has been a trend to design larger Deep Neural Networks (DNNs) for the execution of more complex tasks and better accuracy. On the other hand, Convolutional Neural Networks (CNNs) have become the standard method…

机器学习 · 计算机科学 2025-02-19 Ding-Yong Hong , Tzu-Hsien Tsai , Ning Wang , Pangfeng Liu , Jan-Jan Wu