Friday, February 13, 2009 3:30 pm
-
4:30 pm
EST (GMT -05:00)
Inequivalent representations of matroids
Speaker: | Jim Geelen |
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Affiliation: | University of Waterloo |
Room: | Mathematics & Computer Building (MC) 5158 |
Abstract:
In joint work with Bert Gerards and Geoff Whittle, we showed that 4-connected matroids have a bounded number of inequivalent representations over fields of prime order. At the time we were confident that we could extend this to all finite fields. We were sadly mistaken.