Association schemes all of whose symmetric fusion schemes are integral
Combinatorics
2017-05-02 v2
Abstract
In this paper we aim to characterize association schemes all of whose symmetric fusion schemes have only integral eigenvalues, and classify those obtained from a regular action of a finite group by taking its orbitals.
Keywords
Cite
@article{arxiv.1608.08343,
title = {Association schemes all of whose symmetric fusion schemes are integral},
author = {Mitsugu Hirasaka and Kijung Kim and Semin Oh},
journal= {arXiv preprint arXiv:1608.08343},
year = {2017}
}