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Seminar of Mathematical Statistics Group: Markov Chains and Monte Carlo Methods
Weekly research seminar
List of talks
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May 31, 2021, 2:30 p.m.
John Noble (MIM UW)
Vines and graphical models continued
The talk based on Bedford and Cooke, Annals of Statistics 2002 vol. 30 no. 4 pp 1031 - 1068.
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May 24, 2021, 2:30 p.m.
John Noble (MIM UW)
Vines and graphical models
The talk based on Bedford and Cooke, Annals of Statistics 2002 vol. 30 no. 4 pp 1031 - 1068.
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May 10, 2021, 2:30 p.m.
Stanisław Cichomski (MIM UW)
Probabilistic version of Szemeredi’s Regularity Lemma
Based on a paper by Terence Tao
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April 26, 2021, 2:30 p.m.
Łukasz Rajkowski (MIM UW)
Calibrating general posterior credible regions
Talk based on this paper by Nicholas Syring and Ryan Martin: https://arxiv.org/pdf/1509.00922.pdf
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April 19, 2021, 2:30 p.m.
John Noble (MIM UW)
Random Graphs with a Given Degree Sequence
The talk will be based on Chatterjee, Diaconis, Sly (Annals of Applied Probability 2011 vol 21 no 4 1400 - 1435
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April 12, 2021, 2:30 p.m.
Witold Bednorz (MIM UW)
joint work with Anna Talarczyk-Noble
This talk will be about the existence of weakly c\`adl\`ag versions of a solution to a linear equation in a Hilbert space $H$, driven by a Levy process taking values in a Hilbert space $U$. In particular, we focus on diagonal type processes, where processes on coordinates are functionals of independent $\alpha$-stable symmetric processes. We are going to show the equivalent characterization in this case. We apply the same techniques to obtain a sufficient condition for existence of a c\`adl\`ag version of stable processes described as integrals of deterministic functions with respect to symmetric $\alpha$-stable …
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March 22, 2021, 2:30 p.m.
John Noble (MIM UW)
Random walks and random forests
The talk will be based on Chapter 5 of Jim Pitman, Combinatorial Stochastic Processes.
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March 15, 2021, 2:30 p.m.
Wojciech Niemiro (MIM UW)
Frequentist coverage of Bayesian credible sets, pt. 2
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March 8, 2021, 2:30 p.m.
Wojciech Niemiro (MIM UW)
Frequentist coverage of Bayesian credible sets.
Talk based on Jeffrey Miller's paper
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March 1, 2021, 2:30 p.m.
Stanisław Cichomski (MIM UW)
Martingale Inequalities and Deterministic Counterparts
Referat na podstawie pracy "Martingale Inequalities and Deterministic Counterparts" Mathiasa Beiglböcka i Marcela Nutza (https://arxiv.org/pdf/1401.4698.pdf)
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Jan. 25, 2021, 2:15 p.m.
John Noble (MIM UW)
Edge Exchangeable Graphs (2)
I describe techniques for determining whether edge exchangeable graphs are dense or sparse and give examples. Taken from Janson (2017).
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Jan. 18, 2021, 2:15 p.m.
John Noble (MIM UW)
Edge exchangeable graphs and trait allocations
The talk will be about Edge exchangeable graphs, as introduced by Broderick and Cai (2016) and examples from Janson (2017) and applications of edge exchangeable graphs to trait allocation models, from Broderick, Cai and Campbell …
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Jan. 11, 2021, 2:15 p.m.
John Noble (MIM UW)
The Ewens Sampling Formula and generating theta biased permutations
This talk is taken from Arriata, Barbour and Tavarre (2002) `Logarithmic Combinatorial Structures: a Probabilistic Approach' Chapter 4.
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Dec. 21, 2020, 2:15 p.m.
Wojciech Niemiro (MIM UW)
Graphs arising from exchangeable random measures continued
