山西大学学报（自然科学版）2009，Vol.32Issue(3)：337-340,4.
λ=1的强正则图的必要条件
Necessary Conditions for Strongly Regular Graphs with λ= 1
摘要
Abstract
Some necessary conditions for strongly regular graphs with parameters(ν,κ,λ,μ) and λ=1 were studied. It was shown that κ was even when λ=1. Furthermore, some formulae that κ and μ satisfy were obtained.关键词
强正则图/特征值/部分四边形Key words
strongly regular graph/eigenvalue/partial quadrangle分类
数理科学引用本文复制引用
郭巧萍,李胜家..λ=1的强正则图的必要条件[J].山西大学学报（自然科学版）,2009,32(3):337-340,4.基金项目
山西省自然科学基金(2007011002) （2007011002）
