Physics-informed machine learning

GE Karniadakis, IG Kevrekidis, L Lu… - Nature Reviews …, 2021 - nature.com
Despite great progress in simulating multiphysics problems using the numerical
discretization of partial differential equations (PDEs), one still cannot seamlessly incorporate …

Learning black-and gray-box chemotactic PDEs/closures from agent based Monte Carlo simulation data

S Lee, YM Psarellis, CI Siettos, IG Kevrekidis - Journal of Mathematical …, 2023 - Springer
We propose a machine learning framework for the data-driven discovery of macroscopic
chemotactic Partial Differential Equations (PDEs)—and the closures that lead to them-from …

Statistical analysis of tipping pathways in agent-based models

L Helfmann, J Heitzig, P Koltai, J Kurths… - The European Physical …, 2021 - Springer
Agent-based models are a natural choice for modeling complex social systems. In such
models simple stochastic interaction rules for a large population of individuals on the …

[HTML][HTML] Particles to partial differential equations parsimoniously

H Arbabi, IG Kevrekidis - Chaos: An Interdisciplinary Journal of …, 2021 - pubs.aip.org
Equations governing physico-chemical processes are usually known at microscopic spatial
scales, yet one suspects that there exist equations, eg, in the form of partial differential …

Global and local reduced models for interacting, heterogeneous agents

TN Thiem, FP Kemeth, T Bertalan, CR Laing… - … Journal of Nonlinear …, 2021 - pubs.aip.org
Large collections of coupled, heterogeneous agents can manifest complex dynamical
behavior presenting difficulties for simulation and analysis. However, if the collective …

Data-driven discovery of governing equations for coarse-grained heterogeneous network dynamics

K Owens, JN Kutz - SIAM Journal on Applied Dynamical Systems, 2023 - SIAM
We leverage data-driven model discovery methods to determine governing equations for the
emergent behavior of heterogeneous networked dynamical systems. Specifically, we …

Questionnaires to PDEs: From Disorganized Data to Emergent Generative Dynamic Models

DW Sroczynski, FP Kemeth, RR Coifman… - arXiv preprint arXiv …, 2022 - arxiv.org
Starting with sets of disorganized observations of spatially varying and temporally evolving
systems, obtained at different (also disorganized) sets of parameters, we demonstrate the …

Quantum process tomography of unitary maps from time-delayed measurements

I López Gutiérrez, F Dietrich, CB Mendl - Quantum Information Processing, 2023 - Springer
Quantum process tomography conventionally uses a multitude of initial quantum states and
then performs state tomography on the process output. Here we propose and study an …

[图书][B] Life Together: Modeling the Collective Behavior of Cellular Communities

K Owens - 2022 - search.proquest.com
Our lives as eukaryotic organisms are defined by the collective behaviors of cellular
systems. Together groups of cells form intricate structures and accomplish complex tasks …

[图书][B] Making Sense of a Complex World: A Data-Driven Approach

TN Thiem - 2022 - search.proquest.com
In this dissertation we develop a suite of data-driven modeling techniques for dynamical
systems by leveraging manifold learning, dimensionality reduction, and deep learning …