期刊论文详细信息
Electronic Journal Of Combinatorics | |
Cospectral Graphs and Regular Orthogonal Matrices of Level 2 | |
Aida Abiad1  | |
关键词: Cospectral graphs; Orthogonal matrices; Switching; | |
DOI : | |
学科分类:离散数学和组合数学 | |
来源: Electronic Journal Of Combinatorics | |
【 摘 要 】
For a graph $\Gamma$ with adjacency matrix $A$, we consider a switching operation that takes $\Gamma$ into a graph $\Gamma'$ with adjacency matrix $A'$, defined by $A'=Q^\top A Q$, where $Q$ is a regular orthogonal matrix of level $2$ (that is, $Q^\top Q=
【 授权许可】
Others
【 预 览 】
Files | Size | Format | View |
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RO201909027233895ZK.pdf | 178KB | download |