Learning nonlinear reduced models from data with operator inference

B Kramer, B Peherstorfer… - Annual Review of Fluid …, 2024 - annualreviews.org
This review discusses Operator Inference, a nonintrusive reduced modeling approach that
incorporates physical governing equations by defining a structured polynomial form for the …

Lagrangian ocean analysis: Fundamentals and practices

E Van Sebille, SM Griffies, R Abernathey, TP Adams… - Ocean modelling, 2018 - Elsevier
Lagrangian analysis is a powerful way to analyse the output of ocean circulation models and
other ocean velocity data such as from altimetry. In the Lagrangian approach, large sets of …

Theory of trotter error with commutator scaling

AM Childs, Y Su, MC Tran, N Wiebe, S Zhu - Physical Review X, 2021 - APS
The Lie-Trotter formula, together with its higher-order generalizations, provides a direct
approach to decomposing the exponential of a sum of operators. Despite significant effort …

The BrainScaleS-2 accelerated neuromorphic system with hybrid plasticity

C Pehle, S Billaudelle, B Cramer, J Kaiser… - Frontiers in …, 2022 - frontiersin.org
Since the beginning of information processing by electronic components, the nervous
system has served as a metaphor for the organization of computational primitives. Brain …

Solver-in-the-loop: Learning from differentiable physics to interact with iterative pde-solvers

K Um, R Brand, YR Fei, P Holl… - Advances in Neural …, 2020 - proceedings.neurips.cc
Finding accurate solutions to partial differential equations (PDEs) is a crucial task in all
scientific and engineering disciplines. It has recently been shown that machine learning …

[HTML][HTML] Octopus, a computational framework for exploring light-driven phenomena and quantum dynamics in extended and finite systems

N Tancogne-Dejean, MJT Oliveira… - The Journal of …, 2020 - pubs.aip.org
Over the last few years, extraordinary advances in experimental and theoretical tools have
allowed us to monitor and control matter at short time and atomic scales with a high degree …

On the origin of implicit regularization in stochastic gradient descent

SL Smith, B Dherin, DGT Barrett, S De - arXiv preprint arXiv:2101.12176, 2021 - arxiv.org
For infinitesimal learning rates, stochastic gradient descent (SGD) follows the path of
gradient flow on the full batch loss function. However moderately large learning rates can …

Crocoddyl: An efficient and versatile framework for multi-contact optimal control

C Mastalli, R Budhiraja, W Merkt… - … on Robotics and …, 2020 - ieeexplore.ieee.org
We introduce Crocoddyl (Contact RObot COntrol by Differential DYnamic Library), an open-
source framework tailored for efficient multi-contact optimal control. Crocoddyl efficiently …

Symplectic recurrent neural networks

Z Chen, J Zhang, M Arjovsky, L Bottou - arXiv preprint arXiv:1909.13334, 2019 - arxiv.org
We propose Symplectic Recurrent Neural Networks (SRNNs) as learning algorithms that
capture the dynamics of physical systems from observed trajectories. An SRNN models the …

Riemannian flow matching on general geometries

RTQ Chen, Y Lipman - arXiv preprint arXiv:2302.03660, 2023 - arxiv.org
We propose Riemannian Flow Matching (RFM), a simple yet powerful framework for training
continuous normalizing flows on manifolds. Existing methods for generative modeling on …