From Werner KRAUTH

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-	'''S. C. Kapfer and W. Krauth'''	+	S. C. Kapfer and W. Krauth
-	'''''Sampling from a polytope and hard-disk Monte Carlo''''' ''' arXiv 1301.4901'''	+	''Sampling from a polytope and hard-disk Monte Carlo'' J. Phys.: Conf. Ser. 454 012031 (2013) Open Access
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	[http://arxiv.org/pdf/1301.4901v1 Electronic version (from arXiv, original version)]		[http://arxiv.org/pdf/1301.4901v1 Electronic version (from arXiv, original version)]
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	[http://dx.doi.org/10.1088/1742-6596/454/1/012031 Final version (open access, available to everyone)]		[http://dx.doi.org/10.1088/1742-6596/454/1/012031 Final version (open access, available to everyone)]
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Current revision

S. C. Kapfer and W. Krauth Sampling from a polytope and hard-disk Monte Carlo J. Phys.: Conf. Ser. 454 012031 (2013) Open Access

Contents 1 Paper

Paper

Abstract The hard-disk problem, the statics and the dynamics of equal two-dimensional hard spheres in a periodic box, has had a profound influence on statistical and computational physics. Markov-chain Monte Carlo and molecular dynamics were first discussed for this model. Here we reformulate hard-disk Monte Carlo algorithms in terms of another classic problem, namely the sampling from a polytope. Local Markov-chain Monte Carlo, as proposed by Metropolis et al. in 1953, appears as a sequence of random walks in high-dimensional polytopes, while the moves of the more powerful event-chain algorithm correspond to molecular dynamics evolution. We determine the convergence properties of Monte Carlo methods in a special invariant polytope associated with hard-disk configurations, and the implications for convergence of hard-disk sampling. Finally, we discuss parallelization strategies for event-chain Monte Carlo and present results for a multicore implementation.

Electronic version (from arXiv, original version)

Final version (open access, available to everyone)