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 …

Survey of multifidelity methods in uncertainty propagation, inference, and optimization

B Peherstorfer, K Willcox, M Gunzburger - Siam Review, 2018 - SIAM
In many situations across computational science and engineering, multiple computational
models are available that describe a system of interest. These different models have varying …

Physics-informed neural operator for learning partial differential equations

Z Li, H Zheng, N Kovachki, D **, H Chen… - ACM/JMS Journal of …, 2024 - dl.acm.org
In this article, we propose physics-informed neural operators (PINO) that combine training
data and physics constraints to learn the solution operator of a given family of parametric …

Neural operator: Learning maps between function spaces with applications to pdes

N Kovachki, Z Li, B Liu, K Azizzadenesheli… - Journal of Machine …, 2023 - jmlr.org
The classical development of neural networks has primarily focused on learning map**s
between finite dimensional Euclidean spaces or finite sets. We propose a generalization of …

A survey of optimization methods from a machine learning perspective

S Sun, Z Cao, H Zhu, J Zhao - IEEE transactions on cybernetics, 2019 - ieeexplore.ieee.org
Machine learning develops rapidly, which has made many theoretical breakthroughs and is
widely applied in various fields. Optimization, as an important part of machine learning, has …

Solving and learning nonlinear PDEs with Gaussian processes

Y Chen, B Hosseini, H Owhadi, AM Stuart - Journal of Computational …, 2021 - Elsevier
We introduce a simple, rigorous, and unified framework for solving nonlinear partial
differential equations (PDEs), and for solving inverse problems (IPs) involving the …

Earth system modeling 2.0: A blueprint for models that learn from observations and targeted high‐resolution simulations

T Schneider, S Lan, A Stuart… - Geophysical Research …, 2017 - Wiley Online Library
Climate projections continue to be marred by large uncertainties, which originate in
processes that need to be parameterized, such as clouds, convection, and ecosystems. But …

Optimal experimental design: Formulations and computations

X Huan, J Jagalur, Y Marzouk - Acta Numerica, 2024 - cambridge.org
Questions of 'how best to acquire data'are essential to modelling and prediction in the
natural and social sciences, engineering applications, and beyond. Optimal experimental …

Nonasymptotic convergence analysis for the unadjusted Langevin algorithm

A Durmus, E Moulines - 2017 - projecteuclid.org
In this paper, we study a method to sample from a target distribution π over R^d having a
positive density with respect to the Lebesgue measure, known up to a normalisation factor …