Friday, May 25, 2012 — 3:30 PM to 4:30 PM EDT

A notion of inverse Chvátal rank

Speaker: Marco di Summa
Affiliation: University of Padova
Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, May 18, 2012 — 3:30 PM to 4:30 PM EDT

All the King's Horses

Speaker: Chris Godsil
Affiliation: University of Waterloo
Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, May 11, 2012 — 3:30 PM to 4:30 PM EDT

On Tutte's 3-flow conjecture

Speaker: Dan Younger
Affiliation: University of Waterloo
Room: Mathematics & Computer Building (MC) 5158

Abstract:

Friday, May 4, 2012 — 3:30 PM to 4:30 PM EDT

Tutte's proof of Kuratowski's Theorem

Speaker: Bruce Richter
Affiliation: University of Waterloo
Room: Mathematics & Computer Building (MC) 5158

Abstract:

Tutte's theory of peripheral cycles can be used to give a proof of Kuratowski's Planarity Theorem for 3-connected graphs. This expository talk is aimed at giving the main steps of this argument.

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