Revealing higher-order interactions in high-dimensional complex systems: A data-driven approach

MRR Tabar, F Nikakhtar, L Parkavousi, A Akhshi… - Physical Review X, 2024 - APS
Natural and manmade complex systems are comprised of different elementary units, being
either system components or diverse subsystems as in the case of networked systems …

Data-driven discovery of the governing equations for transport in heterogeneous media by symbolic regression and stochastic optimization

J Im, FPJ de Barros, S Masri, M Sahimi, RM Ziff - Physical Review E, 2023 - APS
With advances in instrumentation and the tremendous increase in computational power, vast
amounts of data are becoming available for many complex phenomena in macroscopically …

Time-series-analysis-based detection of critical transitions in real-world non-autonomous systems

K Lehnertz - Chaos: An Interdisciplinary Journal of Nonlinear …, 2024 - pubs.aip.org
Real-world non-autonomous systems are open, out-of-equilibrium systems that evolve in
and are driven by temporally varying environments. Such systems can show multiple …

Physics-informed and data-driven discovery of governing equations for complex phenomena in heterogeneous media

M Sahimi - Physical Review E, 2024 - APS
Rapid evolution of sensor technology, advances in instrumentation, and progress in
devising data-acquisition software and hardware are providing vast amounts of data for …

Characterizing time-resolved stochasticity in non-stationary time series

S Rahvar, ES Reihani, AN Golestani… - Chaos, Solitons & …, 2024 - Elsevier
Time series often exhibit a combination of long-range drift and short-term stochastic
fluctuations. Traditional methods for analyzing such series involve fitting regression models …

Reconstruction of stochastic dynamics from large streamed datasets

W Davis - Physical Review E, 2023 - APS
The complex dynamics of physical systems can often be modeled with stochastic differential
equations. However, computational constraints inhibit the estimation of dynamics from large …

DR-PDEE for engineered high-dimensional nonlinear stochastic systems: a physically-driven equation providing theoretical basis for data-driven approaches

JB Chen, TT Sun, MZ Lyu - Nonlinear Dynamics, 2024 - Springer
For over half a century, the analysis, control, and optimization design of high-dimensional
nonlinear stochastic dynamical systems have posed long-standing challenges in the fields …

Orlicz regrets to consistently bound statistics of random variables with an application to environmental indicators

H Yoshioka, Y Yoshioka - arXiv preprint arXiv:2310.05168, 2023 - arxiv.org
Evaluating environmental variables that vary stochastically is the principal topic for
designing better environmental management and restoration schemes. Both the upper and …

Deterministic-like data-driven discovery of stochastic differential equations via the Feynman–Kac formalism

C Ma, C Huang, C Cheng, X Li - The European Physical Journal Special …, 2024 - Springer
This paper develops a data-driven deterministic identification architecture for discovering
stochastic differential equations (SDEs) directly from data. The architecture first generates …

Non-monotonic dynamic correlation explored via active microrheology

A Madanchi, F Aghaei, SHE Rahbari… - Journal of Statistical …, 2024 - iopscience.iop.org
In the study of local and heterogeneous structures in supercooled liquids, microrheology
plays a crucial role, offering a closer examination of the mechanical properties at a local …