The probability seminar is coordinated with Duke University. For more talks check the calendar at Duke.

 

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April 2017

Probability Seminar: Rick Durrett, Duke University

April 20 @ 4:15 pm - 5:15 pm

Rick Durrett Duke University Latent voter model on locally tree-like random graphs In the latent voter model, which models the spread of a technology through a social network, individuals who have just changed their choice have a latent period, which is exponential with rate λ during which they will not buy a new device. We study site and edge versions of this model on random graphs generated by a configuration model in which the degrees d(x) have 3 ≤ d(x)…

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Probability Seminar: Wilfrid Kendall, University of Warwick

April 27 @ 4:15 pm - 5:15 pm

Wilfrid Kendall University of Warwick   A Dirichlet Form approach to MCMC Optimal Scaling (Joint with Giacomo Zanella and Mylene Bédard) In this talk I will discuss the use of Dirichlet forms to deliver proofs of optimal scaling results for Markov chain Monte Carlo algorithms (specifically, Metropolis-Hastings random walk samplers) under regularity conditions which are substantially weaker than those required by the original approach (based on the use of infinitesimal generators). The Dirichlet form method has the added advantage of…

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