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arxiv: 1412.0319 · v1 · pith:GNTXUO4Onew · submitted 2014-12-01 · 🧮 math.SP

Spectra of the blow-up graphs

classification 🧮 math.SP
keywords blow-upgraphlaplaciancomplementdetermineeigenvaluesgraphsmatrix
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Let $G$ be graph on $n$ vertices and $G^{(t)}$ its blow-up graph of order $t.$ In this paper, we determine all eigenvalues of the Laplacian and the signless Laplacian matrix of $G^{(t)}$ and its complement $\bar{G^{(t)}}.$

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