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SEMINAR: Groups and Combinatorics Seminar, Erdös-Ko-Rado sets in finite classical polar spaces

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Today's date is Sunday, September 27, 2020
Groups and Combinatorics Seminar, Erdös-Ko-Rado sets in finite classical polar spaces Other events...
Abstract:

Erdös-Ko-Rado sets (EKR sets) are a family of k-sets of { 1, ..., n } that pairwise intersect in at least one element and were first studied by Erdös, Ko, and Rado in 1961. There are several generalizations of EKR sets. The speaker's main interest is study of EKR sets in polar spaces. These are sets of generators (maximal totally isotropic subspaces) that pairwise intersect in at least a point and were recently studied by Valentina Pepe, Leo Storme, and Frédéric Vanhove. After introducing EKR sets for sets, projective spaces, and polar spaces, some specific results using algebraic as well as geometric techniques will be presented.
Speaker(s) Ferdinand Ihringer (Justus Liebig Universitat)
Location Weatherburn Lecture Theatre
Contact Irene Pivotto <[email protected]>
Start Fri, 15 Mar 2013 15:00
End Fri, 15 Mar 2013 16:00
Submitted by Irene Pivotto <[email protected]>
Last Updated Thu, 14 Mar 2013 16:31
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