Modern Koopman theory for dynamical systems

SL Brunton, M Budišić, E Kaiser, JN Kutz - arxiv preprint arxiv:2102.12086, 2021 - arxiv.org
The field of dynamical systems is being transformed by the mathematical tools and
algorithms emerging from modern computing and data science. First-principles derivations …

Modal analysis of fluid flows: An overview

K Taira, SL Brunton, STM Dawson, CW Rowley… - Aiaa Journal, 2017 - arc.aiaa.org
SIMPLE aerodynamic configurations under even modest conditions can exhibit complex
flows with a wide range of temporal and spatial features. It has become common practice in …

Resurrecting recurrent neural networks for long sequences

A Orvieto, SL Smith, A Gu, A Fernando… - International …, 2023 - proceedings.mlr.press
Abstract Recurrent Neural Networks (RNNs) offer fast inference on long sequences but are
hard to optimize and slow to train. Deep state-space models (SSMs) have recently been …

[BOOK][B] Data-driven science and engineering: Machine learning, dynamical systems, and control

SL Brunton, JN Kutz - 2022 - books.google.com
Data-driven discovery is revolutionizing how we model, predict, and control complex
systems. Now with Python and MATLAB®, this textbook trains mathematical scientists and …

Deep learning for universal linear embeddings of nonlinear dynamics

B Lusch, JN Kutz, SL Brunton - Nature communications, 2018 - nature.com
Identifying coordinate transformations that make strongly nonlinear dynamics approximately
linear has the potential to enable nonlinear prediction, estimation, and control using linear …

Sparse identification of nonlinear dynamics for model predictive control in the low-data limit

E Kaiser, JN Kutz, SL Brunton - Proceedings of the …, 2018 - royalsocietypublishing.org
Data-driven discovery of dynamics via machine learning is pushing the frontiers of modelling
and control efforts, providing a tremendous opportunity to extend the reach of model …

Discovering causal relations and equations from data

G Camps-Valls, A Gerhardus, U Ninad, G Varando… - Physics Reports, 2023 - Elsevier
Physics is a field of science that has traditionally used the scientific method to answer
questions about why natural phenomena occur and to make testable models that explain the …

Data-driven modeling and prediction of non-linearizable dynamics via spectral submanifolds

M Cenedese, J Axås, B Bäuerlein, K Avila… - Nature …, 2022 - nature.com
We develop a methodology to construct low-dimensional predictive models from data sets
representing essentially nonlinear (or non-linearizable) dynamical systems with a hyperbolic …

Data-driven approximation of the Koopman generator: Model reduction, system identification, and control

S Klus, F Nüske, S Peitz, JH Niemann… - Physica D: Nonlinear …, 2020 - Elsevier
We derive a data-driven method for the approximation of the Koopman generator called
gEDMD, which can be regarded as a straightforward extension of EDMD (extended dynamic …

Controlling complex networks with complex nodes

RM D'Souza, M di Bernardo, YY Liu - Nature Reviews Physics, 2023 - nature.com
Real-world networks often consist of millions of heterogenous elements that interact at
multiple timescales and length scales. The fields of statistical physics and control theory both …