Quadratic Embedding Constants of Strongly Regular Graphs
Combinatorics
2025-01-03 v1
Abstract
We obtain an explicit formula for the quadratic embedding constant (QEC) of a strongly regular graph with . By using QEC we give a necessary and sufficient condition for a strongly regular graph to admit a quadratic embeddingin a Euclidean space.
Keywords
Cite
@article{arxiv.2501.01020,
title = {Quadratic Embedding Constants of Strongly Regular Graphs},
author = {Nobuaki Obata},
journal= {arXiv preprint arXiv:2501.01020},
year = {2025}
}