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 …

Promising directions of machine learning for partial differential equations

SL Brunton, JN Kutz - Nature Computational Science, 2024 - nature.com
Partial differential equations (PDEs) are among the most universal and parsimonious
descriptions of natural physical laws, capturing a rich variety of phenomenology and …

DeepGreen: deep learning of Green's functions for nonlinear boundary value problems

CR Gin, DE Shea, SL Brunton, JN Kutz - Scientific reports, 2021 - nature.com
Boundary value problems (BVPs) play a central role in the mathematical analysis of
constrained physical systems subjected to external forces. Consequently, BVPs frequently …

Time-delay observables for Koopman: Theory and applications

M Kamb, E Kaiser, SL Brunton, JN Kutz - SIAM Journal on Applied Dynamical …, 2020 - SIAM
Nonlinear dynamical systems are ubiquitous in science and engineering, yet analysis and
prediction of these systems remains a challenge. Koopman operator theory circumvents …

Generative learning for nonlinear dynamics

W Gilpin - Nature Reviews Physics, 2024 - nature.com
Modern generative machine learning models are able to create realistic outputs far beyond
their training data, such as photorealistic artwork, accurate protein structures or …

Parsimony as the ultimate regularizer for physics-informed machine learning

JN Kutz, SL Brunton - Nonlinear Dynamics, 2022 - Springer
Data-driven modeling continues to be enabled by modern machine learning algorithms and
deep learning architectures. The goals of such efforts revolve around the generation of …

Machine learning for partial differential equations

SL Brunton, JN Kutz - arxiv preprint arxiv:2303.17078, 2023 - arxiv.org
Partial differential equations (PDEs) are among the most universal and parsimonious
descriptions of natural physical laws, capturing a rich variety of phenomenology and multi …

Invertible koopman network and its application in data-driven modeling for dynamic systems

Y **, L Hou, S Zhong, H Yi, Y Chen - Mechanical Systems and Signal …, 2023 - Elsevier
Koopman operator, acting on an infinite-dimensional Hilbert space of the observables,
provides a global systematic linear representation of nonlinear systems, which is a leading …

Methods for data-driven multiscale model discovery for materials

SL Brunton, JN Kutz - Journal of Physics: Materials, 2019 - iopscience.iop.org
Despite recent achievements in the design and manufacture of advanced materials, the
contributions from first-principles modeling and simulation have remained limited, especially …

Deep learning models for global coordinate transformations that linearise PDEs

C Gin, B Lusch, SL Brunton, JN Kutz - European Journal of Applied …, 2021 - cambridge.org
We develop a deep autoencoder architecture that can be used to find a coordinate
transformation which turns a non-linear partial differential equation (PDE) into a linear PDE …