Neural operators for accelerating scientific simulations and design

K Azizzadenesheli, N Kovachki, Z Li… - Nature Reviews …, 2024 - nature.com
Scientific discovery and engineering design are currently limited by the time and cost of
physical experiments. Numerical simulations are an alternative approach but are usually …

An operator learning perspective on parameter-to-observable maps

DZ Huang, NH Nelsen, M Trautner - arXiv preprint arXiv:2402.06031, 2024 - arxiv.org
Computationally efficient surrogates for parametrized physical models play a crucial role in
science and engineering. Operator learning provides data-driven surrogates that map …

NCDL: a framework for deep learning on non-cartesian lattices

J Horacsek, U Alim - Advances in Neural Information …, 2024 - proceedings.neurips.cc
The use of non-Cartesian grids is a niche but important topic in sub-fields of the numerical
sciences such as simulation and scientific visualization. However, non-Cartesian …

Fourier Neural Operators for Learning Dynamics in Quantum Spin Systems

F Shah, TL Patti, J Berner, B Tolooshams… - arXiv preprint arXiv …, 2024 - arxiv.org
Fourier Neural Operators (FNOs) excel on tasks using functional data, such as those
originating from partial differential equations. Such characteristics render them an effective …

Operator Deep Smoothing for Implied Volatility

L Gonon, A Jacquier, R Wiedemann - arXiv preprint arXiv:2406.11520, 2024 - arxiv.org
We devise a novel method for implied volatility smoothing based on neural operators. The
goal of implied volatility smoothing is to construct a smooth surface that links the collection of …

Learning time-dependent PDE via graph neural networks and deep operator network for robust accuracy on irregular grids

SW Cho, JY Lee, HJ Hwang - arXiv preprint arXiv:2402.08187, 2024 - arxiv.org
Scientific computing using deep learning has seen significant advancements in recent
years. There has been growing interest in models that learn the operator from the …

Operator learning based on sparse high-dimensional approximation

D Potts, F Taubert - arXiv preprint arXiv:2406.03973, 2024 - arxiv.org
We present a dimension-incremental method for function approximation in bounded
orthonormal product bases to learn the solutions of various differential equations. Therefore …

[图书][B] Statistical Foundations of Operator Learning

NH Nelsen - 2024 - search.proquest.com
This thesis studies operator learning from a statistical perspective. Operator learning uses
observed data to estimate mappings between infinite-dimensional spaces. It does so at the …

[PDF][PDF] PINN-TI: Physical Information embedded in Neural Networks for solving ordinary differential equations with Time-varying Inputs

X Zhao, YT Shi, K Zhao - 2024 - scholar.archive.org
Modeling and predicting the dynamics of multiphysics and multiscale systems with hidden
physics methods is often costly, requiring different formulations and complex computer …

GraphDeepONet: Learning to simulate time-dependent partial differential equations using graph neural network and deep operator network

SW Cho, JY Lee, HJ Hwang - openreview.net
Scientific computing using deep learning has seen significant advancements in recent
years. There has been growing interest in models that learn the operator from the …