[HTML][HTML] Learning mean-field equations from particle data using WSINDy

DA Messenger, DM Bortz - Physica D: Nonlinear Phenomena, 2022 - Elsevier
We develop a weak-form sparse identification method for interacting particle systems (IPS)
with the primary goals of reducing computational complexity for large particle number N and …

The LAN property for McKean–Vlasov models in a mean-field regime

L Della Maestra, M Hoffmann - Stochastic Processes and their Applications, 2023 - Elsevier
We establish the local asymptotic normality (LAN) property for estimating a multidimensional
parameter in the drift of a system of N interacting particles observed over a fixed time horizon …

Learning interaction kernels in heterogeneous systems of agents from multiple trajectories

F Lu, M Maggioni, S Tang - Journal of Machine Learning Research, 2021 - jmlr.org
Systems of interacting particles, or agents, have wide applications in many disciplines,
including Physics, Chemistry, Biology and Economics. These systems are governed by …

Parameter estimation of discretely observed interacting particle systems

C Amorino, A Heidari, V Pilipauskaitė… - Stochastic Processes and …, 2023 - Elsevier
In this paper, we consider the problem of joint parameter estimation for drift and diffusion
coefficients of a stochastic McKean–Vlasov equation and for the associated system of …

Parameter estimation for the McKean-Vlasov stochastic differential equation

L Sharrock, N Kantas, P Parpas… - arXiv preprint arXiv …, 2021 - arxiv.org
We consider the problem of parameter estimation for a stochastic McKean-Vlasov equation,
and the associated system of weakly interacting particles. We study two cases: one in which …

Neural parameter calibration for large-scale multiagent models

T Gaskin, GA Pavliotis… - Proceedings of the …, 2023 - National Acad Sciences
Computational models have become a powerful tool in the quantitative sciences to
understand the behavior of complex systems that evolve in time. However, they often contain …

Nonparametric adaptive estimation for interacting particle systems

F Comte, V Genon‐Catalot - Scandinavian Journal of Statistics, 2023 - Wiley Online Library
We consider a stochastic system of NN interacting particles with constant diffusion coefficient
and drift linear in space, time‐depending on two unknown deterministic functions. Our …

Mean-field nonparametric estimation of interacting particle systems

R Yao, X Chen, Y Yang - Conference on Learning Theory, 2022 - proceedings.mlr.press
This paper concerns the nonparametric estimation problem of the distribution-state
dependent drift vector field in an interacting $ N $-particle system. Observing single …

Eigenfunction martingale estimators for interacting particle systems and their mean field limit

GA Pavliotis, A Zanoni - SIAM Journal on Applied Dynamical Systems, 2022 - SIAM
We study the problem of parameter estimation for large exchangeable interacting particle
systems when a sample of discrete observations from a single particle is known. We …

Identifiability of interaction kernels in mean-field equations of interacting particles

Q Lang, F Lu - arXiv preprint arXiv:2106.05565, 2021 - arxiv.org
This study examines the identifiability of interaction kernels in mean-field equations of
interacting particles or agents, an area of growing interest across various scientific and …