Ramezani F, Rowlinson P & Stanić Z (2022) Signed graphs with at most three eigenvalues. Czechoslovak Mathematical Journal, 72 (1), pp. 59-77. https://doi.org/10.21136/cmj.2021.0256-20
We investigate signed graphs with just 2 or 3 distinct eigenvalues, mostly in the context of vertex-deleted subgraphs, the join of two signed graphs or association schemes.
signed graph; join; adjacency matrix; main eigenvalue; net-degree; association scheme
Czechoslovak Mathematical Journal: Volume 72, Issue 1
|Publication date online||05/03/2021|
|Date accepted by journal||25/01/2021|
|Publisher||Institute of Mathematics, Czech Academy of Sciences|