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Friday, April 6, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Tutte Colloquium - Stephen Melczer

Title: Generating Functions: Theory, Algorithms, and Applications

Speaker: Stephen Melczer
Affiliation: University of Pennsylvania
Room: MC 5501

Abstract:

Generating functions are an invaluable tool in many areas of discrete mathematics and beyond.

Friday, April 13, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Tutte Colloquium - Chris Godsil

Title: Interpolating between the characteristic and matching polynomials of a graph

Speaker: Chris Godsil
Affiliation: University of Waterloo
Room: MC 5501

Abstract:

The characteristic polynomial Φ(X, t) of a graph X has two obvious combinatorial connections.

Friday, April 20, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Tutte Colloquium - Krystal Guo

Title: Transversals in covers of graphs

Speaker: Krystal Guo
Affiliation: Université Libre de Bruxelles
Room: MC 5501

Abstract:

We study a polynomial with connections to correspondence colouring (also known as DP-colouring) and the Unique Games Conjecture.

Friday, April 27, 2018 3:30 pm - 3:30 pm EDT (GMT -04:00)

Tutte Colloquium - Luc Vinet

Title: Spins Lattices, Graphs and Quantum State Revivals

Speaker: Luc Vinet
Affiliation: Université de Montréal
Room: MC 5501

Abstract:

This talk will describe how certain features of quantum transport along spin chains can be enabled.

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.