Characterization of some classes of graphs and their products as frame graph

To each finite frame $φ$ in an inner product space $\mathcal{H}$ we associate a simple graph $G(φ)$, called {\it frame graph}, with the vectors of the frame as vertices and there is an edge between vertices $f$ and $g$ provided that $\langle f, g\rangle \neq 0$ [1]. In this paper the relation between the order of $G(φ)$ and the dimension of $\mathcal{H}$ is investigated for some well-known classes of graphs and their products.

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