Publication: Approximations to the Stochastic Burgers Equation. A study of various finite difference ap­prox­i­ma­tions to the stochastic Burgers equation. … read more

Publication: Analysis of SPDEs arising in Path Sampling, Part I: The Gaussian Case. An article about using (linear) SPDEs in infinite dimensional MCMC methods. … read more

Conditional Path Sampling of SDEs and the Langevin MCMC Method

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details: Andrew M. Stuart, Jochen Voss and Petter Wiberg: Conditional Path Sampling of SDEs and the Langevin MCMC Method. Communications in Mathematical Sciences, vol. 2, no. 4, pp. 685–697, 2004.
online: link, journal
preprint: preprint:pdf, preprint:ps
metadata: BibTeX, MathSciNet, Google
keywords: MCMC methods, SPDEs, path sampling, Kalman filter
MSC2000: 65C05, 65C60, 60H15

Abstract

We introduce a stochastic PDE based approach to sampling paths of SDEs, conditional on observations. The SPDEs are derived by generalising the Langevin MCMC method to infinite dimensions. Various applications are described, including sampling paths subject to two end-point conditions (bridges) and nonlinear filter/smoothers.

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