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Friday, May 4, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Tutte Colloquium - Marni Mishna

Title: The combinatorics of Standard Young tableaux of bounded height

Speaker: Marni Mishna
Affiliation: Simon Fraser University
Room: MC 5501

Abstract:

Standard Young tableaux are a classic object of mathematics, appearing in problems from representation theory to bijective combinatorics.

Thursday, May 10, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Graphs and Matroids Seminar

Title: Coloring Graphs of Bounded Maximum Degree with Small Clique Number

Speaker: Tom Kelly
Affiliation: University of Waterloo
Room: MC 5479

Abstract: Greedy coloring yields an upper bound on the chromatic number $\chi$ of $\Delta+1$ for graphs of maximum degree at most $\Delta$, which is tight for cliques. 

Friday, May 11, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Tutte Colloquium - Jorn van der Pol

Title: Large matroids: asymptotic enumeration

Speaker: Jorn van der Pol
Affiliation: University of Waterloo
Room: MC 5501

Abstract:

How many matroids are there on a ground set of a given size? Although the question is a very basic one, we only know the answer up to a constant factor in the exponent.