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Signless Laplacian spectral characterization of 4-rose graphs |
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| Authors: | Xiaoling Ma |
| Institution: | College of Mathematics and System Sciences, Xinjiang University, Urumqi, China. |
| Abstract: | A rose graph with p petals (or p-rose graph) is a graph obtained by taking p cycles with just a vertex in common. In this paper, we prove that all 4-rose graphs are determined by their signless Laplacian spectra. |
| Keywords: | 4-rose graph r-cyclic graph signless Laplacian spectrum determined by signless Laplacian spectrum |