Statistical inference for stochastic differential equations

P Craigmile, R Herbei, G Liu… - Wiley Interdisciplinary …, 2023 - Wiley Online Library
Many scientific fields have experienced growth in the use of stochastic differential equations
(SDEs), also known as diffusion processes, to model scientific phenomena over time. SDEs …

Doob's Lagrangian: A Sample-Efficient Variational Approach to Transition Path Sampling

Y Du, M Plainer, R Brekelmans, C Duan, F Noé… - arxiv preprint arxiv …, 2024 - arxiv.org
Rare event sampling in dynamical systems is a fundamental problem arising in the natural
sciences, which poses significant computational challenges due to an exponentially large …

Simulating diffusion bridges with score matching

J Heng, V De Bortoli, A Doucet, J Thornton - arxiv preprint arxiv …, 2021 - arxiv.org
We consider the problem of simulating diffusion bridges, which are diffusion processes that
are conditioned to initialize and terminate at two given states. The simulation of diffusion …

Variational characterization of free energy: Theory and algorithms

C Hartmann, L Richter, C Schütte, W Zhang - Entropy, 2017 - mdpi.com
The article surveys and extends variational formulations of the thermodynamic free energy
and discusses their information-theoretic content from the perspective of mathematical …

Guided proposals for simulating multi-dimensional diffusion bridges

M Schauer, F Van Der Meulen, H Van Zanten - 2017 - projecteuclid.org
A Monte Carlo method for simulating a multi-dimensional diffusion process conditioned on
hitting a fixed point at a fixed future time is developed. Proposals for such diffusion bridges …

Diffusion means in geometric spaces

B Eltzner, PEH Hansen, SF Huckemann, S Sommer - Bernoulli, 2023 - projecteuclid.org
Diffusion means in geometric spaces Page 1 Bernoulli 29(4), 2023, 3141–3170 https://doi.org/10.3150/22-BEJ1578
Diffusion means in geometric spaces BENJAMIN ELTZNER1,a, PERNILLE EH HANSEN2,b …

Nonparametric estimation of diffusions: a differential equations approach

O Papaspiliopoulos, Y Pokern, GO Roberts… - Biometrika, 2012 - academic.oup.com
We consider estimation of scalar functions that determine the dynamics of diffusion
processes. It has been recently shown that nonparametric maximum likelihood estimation is …

Bayesian estimation of discretely observed multi-dimensional diffusion processes using guided proposals

F van der Meulen, M Schauer - 2017 - projecteuclid.org
Estimation of parameters of a diffusion based on discrete time observations poses a difficult
problem due to the lack of a closed form expression for the likelihood. From a Bayesian …

Unbiased inference for discretely observed hidden Markov model diffusions

NK Chada, J Franks, A Jasra, KJ Law, M Vihola - SIAM/ASA Journal on …, 2021 - SIAM
We develop a Bayesian inference method for diffusions observed discretely and with noise,
which is free of discretization bias. Unlike existing unbiased inference methods, our method …

Simple simulation of diffusion bridges with application to likelihood inference for diffusions

M Bladt, M Sørensen - 2014 - projecteuclid.org
With a view to statistical inference for discretely observed diffusion models, we propose
simple methods of simulating diffusion bridges, approximately and exactly. Diffusion bridge …