The Erdős-Ko-Rado theorem for twisted Grassmann graphs
Abstract
We present a "modern" approach to the Erdős-Ko-Rado theorem for Q-polynomial distance-regular graphs and apply it to the twisted Grassmann graphs discovered in 2005 by van Dam and Koolen.
- Publication:
-
arXiv e-prints
- Pub Date:
- December 2010
- DOI:
- 10.48550/arXiv.1012.5692
- arXiv:
- arXiv:1012.5692
- Bibcode:
- 2010arXiv1012.5692T
- Keywords:
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- Mathematics - Combinatorics;
- 05E30;
- 05D05
- E-Print:
- 5 pages