The eigenvalues of oppositeness graphs in buildings of spherical type

被引：5

作者：

Brouwer, Andries E. ^{[1
]}

机构：

[1] Techn Univ Eindhoven, Dept Math, NL-5600 MB Eindhoven, Netherlands

来源：

COMBINATORICS AND GRAPHS | 2010年 / 531卷

关键词：

D O I：

10.1109/CCECE.2010.5575114

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Consider the graph Gamma obtained by taking as vertices the flags in a finite building of spherical type defined over F(q), where two flags are adjacent when they are opposite. We show that the squares of the eigenvalues of Gamma are powers of q.

引用

页码：1 / 10

页数：10