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相关论文: A PAC-Bayesian View of Generalisation for Physics-…

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Physics-informed statistical learning (PISL) integrates empirical data with physical knowledge to enhance the statistical performance of estimators. While PISL methods are widely used in practice, a comprehensive theoretical understanding…

机器学习 · 统计学 2025-10-28 Diego Marcondes

Physics-informed neural networks (PINNs) have emerged as a powerful paradigm for solving partial differential equations (PDEs) by embedding physical laws directly into neural network training. However, solving high-fidelity PDEs remains…

机器学习 · 计算机科学 2026-02-03 Olaf Yunus Laitinen Imanov

We apply the PAC-Bayes theory to the setting of learning-to-optimize. To the best of our knowledge, we present the first framework to learn optimization algorithms with provable generalization guarantees (PAC-bounds) and explicit trade-off…

机器学习 · 计算机科学 2023-02-16 Michael Sucker , Peter Ochs

The intersection of physics and machine learning has given rise to the physics-enhanced machine learning (PEML) paradigm, aiming to improve the capabilities and reduce the individual shortcomings of data- or physics-only methods. In this…

机器学习 · 计算机科学 2024-04-23 Marcus Haywood-Alexander , Wei Liu , Kiran Bacsa , Zhilu Lai , Eleni Chatzi

We are motivated by the problem of providing strong generalization guarantees in the context of meta-learning. Existing generalization bounds are either challenging to evaluate or provide vacuous guarantees in even relatively simple…

机器学习 · 计算机科学 2021-10-27 Alec Farid , Anirudha Majumdar

Physics-informed machine learning offers a promising framework for solving complex partial differential equations (PDEs) by integrating observational data with governing physical laws. However, learning PDEs with varying parameters and…

机器学习 · 计算机科学 2026-03-17 Zhuoyuan Wang , Raffaele Romagnoli , Saviz Mowlavi , Yorie Nakahira

Physics-guided machine learning (PGML) has become a prevalent approach in studying scientific systems due to its ability to integrate scientific theories for enhancing machine learning (ML) models. However, most PGML approaches are tailored…

机器学习 · 计算机科学 2025-02-11 Runlong Yu , Chonghao Qiu , Robert Ladwig , Paul Hanson , Yiqun Xie , Xiaowei Jia

We introduce an evidence-driven Bayesian formulation of physics-informed neural networks that enables automatic optimization of loss weights between PDE residuals, boundary conditions, and observational data. Unlike existing Bayesian PINN…

计算物理 · 物理学 2026-05-29 Krzysztof M. Graczyk , Kornel Witkowski

We introduce a data-driven approach to analyze the performance of continuous optimization algorithms using generalization guarantees from statistical learning theory. We study classical and learned optimizers to solve families of parametric…

最优化与控制 · 数学 2025-10-07 Rajiv Sambharya , Bartolomeo Stellato

Whilst the partial differential equations that govern the dynamics of our world have been studied in great depth for centuries, solving them for complex, high-dimensional conditions and domains still presents an incredibly large…

机器学习 · 计算机科学 2023-03-07 Edward Small

Diffusion models provide expressive priors for forecasting trajectories of dynamical systems, but are typically unreliable in the sparse data regime. Physics-informed machine learning (PIML) improves reliability in such settings; however,…

机器学习 · 计算机科学 2026-01-30 Kaiyuan Tan , Kendra Givens , Peilun Li , Thomas Beckers

Melt pool dynamics in metal additive manufacturing (AM) is critical to process stability, microstructure formation, and final properties of the printed materials. Physics-based simulation including computational fluid dynamics (CFD) is the…

机器学习 · 计算机科学 2023-07-25 R. Sharma , W. Grace Guo , M. Raissi , Y. B. Guo

Physiologically Based Pharmacokinetic (PBPK) modeling is a cornerstone of model-informed drug development (MIDD), providing a mechanistic framework to predict drug absorption, distribution, metabolism, and excretion (ADME). Despite its…

机器学习 · 计算机科学 2026-02-24 Shunqi Liu , Han Qiu , Tong Wang

We use a space-time discretization based on physics informed deep learning (PIDL) to approximate solutions of a class of rate-dependent strain gradient plasticity models. The differential equation governing the plastic flow, the so-called…

动力系统 · 数学 2024-08-14 Ankit Tyagi , Uttam Suman , Mariya Mamajiwala , Debasish Roy

We present new PAC-Bayesian generalisation bounds for learning problems with unbounded loss functions. This extends the relevance and applicability of the PAC-Bayes learning framework, where most of the existing literature focuses on…

机器学习 · 统计学 2021-12-16 Maxime Haddouche , Benjamin Guedj , Omar Rivasplata , John Shawe-Taylor

Partial differential equations (PDEs) govern a wide range of physical systems, and recent multimodal foundation models have shown promise for learning PDE solution operators across diverse equation families. However, existing multi-operator…

机器学习 · 计算机科学 2025-12-30 Min Zhu , Jingmin Sun , Zecheng Zhang , Hayden Schaeffer , Lu Lu

Modelling complex physical systems through partial differential equations (PDEs) is central to many disciplines in science and engineering. Yet in most real applications, unknown or incomplete relationships such as constitutive or thermal…

计算工程、金融与科学 · 计算机科学 2026-01-08 Ado Farsi , Nacime Bouziani , David A Ham

Scientific Machine Learning (SciML) is a recently emerged research field which combines physics-based and data-driven models for the numerical approximation of differential problems. Physics-based models rely on the physical understanding…

数值分析 · 数学 2025-04-04 Alfio Quarteroni , Paola Gervasio , Francesco Regazzoni

Physics-informed neural networks (PINNs) have been proposed to learn the solution of partial differential equations (PDE). In PINNs, the residual form of the PDE of interest and its boundary conditions are lumped into a composite objective…

计算物理 · 物理学 2022-05-24 Shamsulhaq Basir , Inanc Senocak

Physics-informed neural networks (PINN) is a machine learning (ML)-based method to solve partial differential equations that has gained great popularity due to the fast development of ML libraries in the last few years. The…

化学物理 · 物理学 2024-12-31 Martin A. Achondo , Jehanzeb H. Chaudhry , Christopher D. Cooper