Cited by 13Advanced Thermodynamics and Statistical MechanicsModel Reduction and Neural Networksstochastic dynamics and bifurcation

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Response Theory via Generative Score Modeling

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Published version of a preprint

Abstract

We introduce an approach for analyzing the responses of dynamical systems to external perturbations that combines score-based generative modeling with the generalized fluctuation-dissipation theorem. The methodology enables accurate estimation of system responses, including those with non-Gaussian statistics. We numerically validate our approach using time-series data from three different stochastic partial differential equations of increasing complexity: an Ornstein-Uhlenbeck process with spatially correlated noise, a modified stochastic Allen-Cahn equation, and the 2D Navier-Stokes equations. We demonstrate the improved accuracy of the methodology over conventional methods and discuss its potential as a versatile tool for predicting the statistical behavior of complex dynamical systems. Published by the American Physical Society 2024

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Metadata

Authors
Giorgini, L. T., Deck, K., Bischoff, T., & Souza, A.
Affiliations
  • Nordic Institute for Theoretical Physics (SE)
  • California Institute of Technology (US)
  • Independent Researcher
  • Massachusetts Institute of Technology (US)
Corresponding author
  • Giorgini, Ludovico Theo
  • Deck, Katherine
  • Bischoff, Tobias
  • Souza, Andre
Venue
Physical Review Letters
Published
2024-12-31
Volume
133
Issue
26
Pages
267302-267302
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W4405943563
Cited by
13
References
4
Citations by year
2026: 7 · 2025: 6
FWCI
1.90
Type
journal article
Language
en
Open access
Locations
  • Physical Review Letters (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion, cc-by)
  • arXiv (Cornell University) (cc-by)
Funders
  • Vetenskapsrådet (638-2013-9243)
  • Cisco Foundation
Topics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Thermodynamics and Statistical Mechanics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Model Reduction and Neural Networks
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › stochastic dynamics and bifurcation
Keywords
response theory, dynamical systems, external disturbances, non-Gaussian statistics, stochastic partial differential equations, Ornstein-Uhlenbeck process, stochastic Allen-Cahn equation, Navier-Stokes equations, spatially correlated noise

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