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相关论文: Coupling-Robust Accuracy in Multiphysics Physics I…

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Standard Physics-Informed Neural Networks (PINNs) often face challenges when modeling parameterized dynamical systems with sharp regime transitions, such as bifurcations. In these scenarios, the continuous mapping from parameters to…

机器学习 · 计算机科学 2026-03-06 Enzo Nicolas Spotorno , Josafat Ribeiro Leal , Antonio Augusto Frohlich

Multi-task learning through composite loss functions is fundamental to modern deep learning, yet optimizing competing objectives remains challenging. We present new theoretical and practical approaches for addressing directional conflicts…

机器学习 · 计算机科学 2025-09-22 Sifan Wang , Ananyae Kumar Bhartari , Bowen Li , Paris Perdikaris

Physics-informed neural networks (PINNs) have plateaued at errors of $10^{-3}$-$10^{-4}$ for fourth-order partial differential equations, creating a perceived precision ceiling that limits their adoption in engineering applications. We…

机器学习 · 计算机科学 2025-07-29 Wei Shan Lee , Chi Kiu Althina Chau , Kei Chon Sio , Kam Ian Leong

Physics-informed Kolmogorov-Arnold Networks (PIKANs), and in particular their Chebyshev-based variants (cPIKANs), have recently emerged as promising models for solving partial differential equations (PDEs). However, their training dynamics…

机器学习 · 计算机科学 2025-06-10 Salah A. Faroughi , Farinaz Mostajeran

This study investigates the potential accuracy boundaries of physics-informed neural networks, contrasting their approach with previous similar works and traditional numerical methods. We find that selecting improved optimization algorithms…

计算物理 · 物理学 2024-12-16 Jorge F. Urbán , Petros Stefanou , José A. Pons

Quantum state tomography (QST) faces exponential measurement requirements and noise sensitivity in multi-qubit systems, bottlenecking practical quantum technologies. We present a physics-informed neural network (PINN) framework integrating…

量子物理 · 物理学 2025-12-17 Changchun Feng , Laifa Tao , Lin Chen

Physics-informed neural networks (PINNs) are demonstrating remarkable promise in integrating physical models with gappy and noisy observational data, but they still struggle in cases where the target functions to be approximated exhibit…

机器学习 · 计算机科学 2021-06-16 Sifan Wang , Hanwen Wang , Paris Perdikaris

Physics-informed neural networks (PINNs) are infamous for being hard to train. Recently, second-order methods based on natural gradient and Gauss-Newton methods have shown promising performance, improving the accuracy achieved by…

机器学习 · 计算机科学 2024-10-31 Felix Dangel , Johannes Müller , Marius Zeinhofer

Physics-Informed Neural Networks (PINNs) often suffer from slow convergence, training instability, and reduced accuracy on challenging partial differential equations due to the anisotropic and rapidly varying geometry of their loss…

机器学习 · 计算机科学 2026-04-20 Kang An , Chenhao Si , Shiqian Ma , Ming Yan

Physics-informed Neural Networks (PINNs) have been shown to be effective in solving partial differential equations by capturing the physics induced constraints as a part of the training loss function. This paper shows that a PINN can be…

机器学习 · 计算机科学 2023-05-08 Chandrajit Bajaj , Luke McLennan , Timothy Andeen , Avik Roy

Physics-informed neural networks (PINNs) offer a promising avenue for tackling both forward and inverse problems in partial differential equations (PDEs) by incorporating deep learning with fundamental physics principles. Despite their…

机器学习 · 计算机科学 2024-02-06 Hemanth Saratchandran , Shin-Fang Chng , Simon Lucey

Accurate modeling of gravitational waveforms from compact binary coalescences remains central to gravitational-wave (GW) astronomy. Post-Newtonian (PN) approximations capture the early inspiral dynamics analytically but break down near…

广义相对论与量子宇宙学 · 物理学 2026-04-16 Jooheon Yoo , Michael Boyle , Nils Deppe

Accurate reconstruction of magnetic fields in inaccessible regions is vital for many high-precision experiments in physics. Traditional methods, such as spherical harmonic expansion, often suffer from truncation errors that limit their…

仪器与探测器 · 物理学 2026-05-26 Haohan Yu , Zhanxu Hao , Bingzhi Li , Zejia Lu , Xiang Chen , Liang Li

Stochastic differential equations are commonly used to describe the evolution of stochastic processes. The state uncertainty of such processes is best represented by the probability density function (PDF), whose evolution is governed by the…

机器学习 · 计算机科学 2026-03-03 Chun-Wei Kong , Luca Laurenti , Jay McMahon , Morteza Lahijanian

Physics-informed neural networks (PINNs) integrate fundamental physical principles with advanced data-driven techniques, driving significant advancements in scientific computing. However, PINNs face persistent challenges with stiffness in…

机器学习 · 计算机科学 2024-07-30 Pancheng Niu , Yongming Chen , Jun Guo , Yuqian Zhou , Minfu Feng , Yanchao Shi

In this work, we assess the ability of physics-informed neural networks (PINNs) to solve increasingly-complex coupled ordinary differential equations (ODEs). We focus on a pair of benchmarks: discretized partial differential equations and…

机器学习 · 统计学 2022-10-17 Alexander New , Benjamin Eng , Andrea C. Timm , Andrew S. Gearhart

Quantum Fisher Information (QFI) sets the ultimate precision limit for parameter estimation and is therefore a central quantity in quantum metrology. In time-dependent many-body systems, however, maximizing QFI is a highly non-trivial task…

Neural networks have emerged as powerful tools for modeling complex physical systems, yet balancing high accuracy with computational efficiency remains a critical challenge in their convergence behavior. In this work, we propose the Hybrid…

机器学习 · 计算机科学 2025-04-01 Zuyu Xu , Bin Lv

PINNs enhance scientific computing by incorporating physical laws into neural network structures, leading to significant advancements in scientific computing. However, PINNs struggle with multi-scale and high-frequency problems due to…

机器学习 · 计算机科学 2026-02-09 Guokan Chen , Yao Xiao , Bin Fan , Meixin Xionga , Zhicheng Lin , Yuanying Liu

We demonstrate a deep learning framework capable of recovering physical parameters from the Nonlinear Schrodinger Equation (NLSE) under severe noise conditions. By integrating Physics-Informed Neural Networks (PINNs) with automatic…

机器学习 · 计算机科学 2026-01-08 Pietro de Oliveira Esteves
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