Automatic Zig-Zag sampling in practice

A Corbella, SEF Spencer, GO Roberts - Statistics and Computing, 2022 - Springer
Abstract Novel Monte Carlo methods to generate samples from a target distribution, such as
a posterior from a Bayesian analysis, have rapidly expanded in the past decade. Algorithms …

PDMP characterisation of event-chain Monte Carlo algorithms for particle systems

A Monemvassitis, A Guillin, M Michel - Journal of Statistical Physics, 2023 - Springer
Monte Carlo simulations of systems of particles such as hard spheres or soft spheres with
singular kernels can display around a phase transition prohibitively long convergence times …

Scalable Monte Carlo for Bayesian Learning

P Fearnhead, C Nemeth, CJ Oates… - arxiv preprint arxiv …, 2024 - arxiv.org
This book aims to provide a graduate-level introduction to advanced topics in Markov chain
Monte Carlo (MCMC) algorithms, as applied broadly in the Bayesian computational context …

Concave-convex PDMP-based sampling

M Sutton, P Fearnhead - Journal of Computational and Graphical …, 2023 - Taylor & Francis
Recently nonreversible samplers based on simulating piecewise deterministic Markov
processes (PDMPs) have shown potential for efficient sampling in Bayesian inference …

Nonlinear MCMC for Bayesian machine learning

J Vuckovic - Advances in Neural Information Processing …, 2022 - proceedings.neurips.cc
We explore the application of a nonlinear MCMC technique first introduced in [1] to problems
in Bayesian machine learning. We provide a convergence guarantee in total variation that …

Zig-zag sampling for discrete structures and nonreversible phylogenetic MCMC

J Koskela - Journal of Computational and Graphical Statistics, 2022 - Taylor & Francis
We construct a zig-zag process targeting a posterior distribution defined on a hybrid state
space consisting of both discrete and continuous variables. The construction does not …

NuZZ: numerical Zig-Zag sampling for general models

F Pagani, A Chevallier, S Power, T House… - arxiv preprint arxiv …, 2020 - arxiv.org
Markov chain Monte Carlo (MCMC) is a key algorithm in computational statistics, and as
datasets grow larger and models grow more complex, many popular MCMC algorithms …

Methods and applications of PDMP samplers with boundary conditions

J Bierkens, S Grazzi, G Roberts, M Schauer - arxiv preprint arxiv …, 2023 - arxiv.org
We extend Monte Carlo samplers based on piecewise deterministic Markov processes
(PDMP samplers) by formally defining different boundary conditions such as sticky floors …

NuZZ: Numerical Zig-Zag for general models

F Pagani, A Chevallier, S Power, T House… - Statistics and …, 2024 - Springer
Abstract Markov chain Monte Carlo (MCMC) is a key algorithm in computational statistics,
and as datasets grow larger and models grow more complex, many popular MCMC …

Piecewise deterministic sampling with splitting schemes

A Bertazzi, P Dobson, P Monmarché - arxiv preprint arxiv:2301.02537, 2023 - arxiv.org
We introduce novel Markov chain Monte Carlo (MCMC) algorithms based on numerical
approximations of piecewise-deterministic Markov processes obtained with the framework of …