A piecewise deterministic Monte Carlo method for diffusion bridges
A piecewise deterministic Monte Carlo method for diffusion bridges
复制标题
扩散桥的分段确定性蒙特卡罗方法
DOI:
10.1007/s11222-021-10008-8
复制
发表时间:
2020
影响因子:
2.2
通讯作者:
Moritz Schauer
中科院分区:
文献类型:
--
作者:
J. Bierkens;Sebastiano Grazzi;F. Meulen;Moritz Schauer
We introduce the use of the Zig-Zag sampler to the problem of sampling conditional diffusion processes (diffusion bridges). The Zig-Zag sampler is a rejection-free sampling scheme based on a non-reversible continuous piecewise deterministic Markov process. Similar to the Lévy–Ciesielski construction of a Brownian motion, we expand the diffusion path in a truncated Faber–Schauder basis. The coefficients within the basis are sampled using a Zig-Zag sampler. A key innovation is the use of the fully local algorithm for the Zig-Zag sampler that allows to exploit the sparsity structure implied by the dependency graph of the coefficients and by the subsampling technique to reduce the complexity of the algorithm. We illustrate the performance of the proposed methods in a number of examples.
DOI:
10.1214/20-aap1653
发表时间:
2018-08
期刊:
The Annals of Applied Probability
影响因子:
--
作者:
C. Andrieu;Alain Durmus;Nikolas Nusken;Julien Roussel
通讯作者:
C. Andrieu;Alain Durmus;Nikolas Nusken;Julien Roussel
DOI:
10.1063/1.5036638
发表时间:
2018
期刊:
The Journal of chemical physics
影响因子:
--
作者:
Faulkner MF
通讯作者:
Faulkner MF
影响因子:
1.4
作者:
Tang, Xiaoyu;Xie, Xiang;Zhou, Hongliang
通讯作者:
Zhou, Hongliang