A matrix equation for association schemes
Combinatorics
2016-09-06 v1 Classical Analysis and ODEs
Abstract
{Let be a self-dual P-polynomial association scheme. Then there are at most 12 diagonal matrices such that . Moreover, all of the solutions for the classical infinite families of such schemes (including the Hamming scheme) are classified.
Cite
@article{arxiv.math/9406225,
title = {A matrix equation for association schemes},
author = {Laura M. Chihara and Dennis W. Stanton},
journal= {arXiv preprint arXiv:math/9406225},
year = {2016}
}