Article
Details
Citation
Rowlinson P (2020) A problem concerning graphs with just three distinct eigenvalues. Linear Algebra and its Applications, 592, pp. 260-269. https://doi.org/10.1016/j.laa.2020.01.024
Abstract
We investigate the problem of finding all the biregrular graphs with just three adjacency eigenvalues, one of which is an eigenvalue ≠ -1, 0 of maximal possible multiplicity.
Keywords
Biregular graph; Eigenvalue multiplicity; Main eigenvalue; Star complement; Strongly regular graph
Journal
Linear Algebra and its Applications: Volume 592
Status | Published |
---|---|
Publication date | 01/05/2020 |
Publication date online | 23/01/2020 |
Date accepted by journal | 20/01/2020 |
URL | http://hdl.handle.net/1893/30747 |
Publisher | Elsevier BV |
ISSN | 0024-3795 |
People (1)
Emeritus Professor, Mathematics