仅有有限多个度数至少为3、比值k2/k固定且直径较大的距离正则图
组合数学
2010-12-14 v1
摘要
本文证明,对于给定的正整数C,仅有有限多个度数k至少为3、直径D至少为6且满足k2/k≤C的距离正则图。这推广了Bannai和Ito的一个猜想。
关键词
引用
@article{arxiv.1012.2632,
title = {There are only finitely many distance-regular graphs with valency k at least three, fixed ratio k2/k and large diameter},
author = {Jongyook Park and Jack H. Koolen and Greg Markowsky},
journal= {arXiv preprint arXiv:1012.2632},
year = {2010}
}
备注
12 pages