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Tutte seminar - Kevin PurbhooExport this event to calendar

Friday, November 7, 2014 — 3:30 PM EST

Promotion for Staircase Tableaux

Speaker: Kevin Purbhoo
Affiliation: University of Waterloo
Room: Mathematics and Computer Building (MC) 5136B

Abstract:

Promotion is one of the fundamental operations on standard young tableaux. It has received a fair bit of attention recently because of its relevance in representation theory, and its intriguing combinatorial structure. In 2010, Rhoades proved a theorem that the describes the orbit structure of promotion on tableaux of rectangular shape, and since then there have been several other proofs of this result. In this talk, I will discuss some new results about promotion on staircase shapes. These are proved using geometric ideas, and are essentially attributable to the existence of some very special subvarieties of a Grassmannian.

Location 
MC - Mathematics & Computer Building
5136B
200 University Avenue West

Waterloo, ON N2L 3G1
Canada

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