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Combinatorics Seminar - Igor Pak

Combinatorics Seminar
September 17, 2020
2:00PM - 2:55PM
Zoom

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Add to Calendar 2020-09-17 14:00:00 2020-09-17 14:55:00 Combinatorics Seminar - Igor Pak Title: Counting Contingency Tables Speaker: Igor Pak - University of California at Los Angeles Abstract: Contingency tables are nonnegative integer matrices with fixed row and column sums. They were introduced in statistics and are now used widely throughout combinatorics and applications — from graphical enumeration to Young tableaux and flow polytopes. Both counting and random generation of contingency tables remains difficult, with many open questions. I will give a broad survey of classical and recent results on the subject, emphasising recent theoretical challenges.  Zoom Department of Mathematics math@osu.edu America/New_York public

Title: Counting Contingency Tables

Speaker: Igor Pak - University of California at Los Angeles

Abstract: Contingency tables are nonnegative integer matrices with fixed row and column sums. They were introduced in statistics and are now used widely throughout combinatorics and applications — from graphical enumeration to Young tableaux and flow polytopes. Both counting and random generation of contingency tables remains difficult, with many open questions. I will give a broad survey of classical and recent results on the subject, emphasising recent theoretical challenges. 

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