图和偶均匀超图独立数的谱上界
组合数学
2026-03-10 v1
摘要
本文给出图和偶均匀超图独立数的谱上界,扩展 Hoffman 上界至偶均匀超图,并给出确定图的独立数、香农容量和 Lovász 数的简单谱条件。Hoffman 上界关于 Lovász 数的上界也从规则图扩展到一般图。
关键词
引用
@article{arxiv.2603.07501,
title = {Spectral bounds for the independence number of graphs and even uniform hypergraphs},
author = {Xinyu Hu and Jiang Zhou and Changjiang Bu},
journal= {arXiv preprint arXiv:2603.07501},
year = {2026}
}