[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 …
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 …
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
Systems of interacting particles, or agents, have wide applications in many disciplines,
including Physics, Chemistry, Biology and Economics. These systems are governed by …
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 …
coefficients of a stochastic McKean–Vlasov equation and for the associated system of …
Parameter estimation for the McKean-Vlasov stochastic differential equation
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 …
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 …
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 …
and drift linear in space, time‐depending on two unknown deterministic functions. Our …
Mean-field nonparametric estimation of interacting particle systems
This paper concerns the nonparametric estimation problem of the distribution-state
dependent drift vector field in an interacting $ N $-particle system. Observing single …
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 …
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
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 …
interacting particles or agents, an area of growing interest across various scientific and …