The second largest Erdős–Ko–Rado sets of generators of the hyperbolic quadrics Q+(4n + 1, q)

Maarten De Boeck

doi:10.1515/advgeom-2015-0034

Published by De Gruyter April 16, 2016

The second largest Erdős–Ko–Rado sets of generators of the hyperbolic quadrics Q⁺(4n + 1, q)

Maarten De Boeck

From the journal Advances in Geometry

https://doi.org/10.1515/advgeom-2015-0034

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Abstract

AnErdős-Ko-Rado set of generators of a hyperbolic quadric is a set of generatorswhich are pairwise not disjoint. In this article we classify the second largest maximal Erdos-Ko-Rado set of generators of the hyperbolic quadrics Q⁺(4n + 1, q), q ≥ 3.

Keywords: Erdős-Ko-Rado theorem; hyperbolic quadric

Received: 2014-1-15

Revised: 2015-6-22

Published Online: 2016-4-16

Published in Print: 2016-4-1

The second largest Erdős–Ko–Rado sets of generators of the hyperbolic quadrics Q⁺(4n + 1, q)

Abstract

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