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https://research.matf.bg.ac.rs/handle/123456789/747| Title: | Q-integral graphs with edge-degrees at most five | Authors: | Simić, Slobodan K. Stanić, Zoran |
Affiliations: | Numerical Mathematics and Optimization | Keywords: | Edge-degree;Integral eigenvalues;Signless Laplacian spectrum | Issue Date: | 28-Oct-2008 | Journal: | Discrete Mathematics | Abstract: | We consider the problem of determining the Q-integral graphs, i.e. the graphs with integral signless Laplacian spectrum. We find all such graphs with maximum edge-degree 4, and obtain only partial results for the next natural case, with maximum edge-degree 5. © 2007 Elsevier B.V. All rights reserved. |
URI: | https://research.matf.bg.ac.rs/handle/123456789/747 | ISSN: | 0012365X | DOI: | 10.1016/j.disc.2007.08.055 |
| Appears in Collections: | Research outputs |
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