Q-integral graphs with edge-degrees at most five |
| |
| Authors: | Slobodan K. Simi? Zoran Stani? |
| |
| Affiliation: | a Mathematical Institute SANU, 11 000 Belgrade, Serbia
b Faculty of Mathematics, University of Belgrade, 11 000 Belgrade, Serbia |
| |
| 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. |
| |
| Keywords: | 05C50 |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
