Reconstructing a generalized quadrangle from the Penttila-Williford $4-$class association scheme
Combinatorics
2022-05-12 v1
Abstract
Penttila and Williford constructed a class association scheme from a generalized quadrangle with a doubly subtended subquadrangle. We show that an association scheme with appropriate parameters and satisfying some assumption about maximal cliques must be the Penttila-Williford scheme.
Cite
@article{arxiv.2205.05350,
title = {Reconstructing a generalized quadrangle from the Penttila-Williford $4-$class association scheme},
author = {Giusy Monzillo and Alessandro Siciliano},
journal= {arXiv preprint arXiv:2205.05350},
year = {2022}
}