On a representation of the automorphism group of a graph in a unimodular group

István Estelyi, Ján Karabáš, Alexander Mednykh +1

We investigate a representation of the automorphism group of a connected graph $X$ in the group of unimodular matrices $U_{\beta }$ of dimension $\beta$, where $\beta$ is the Betti number of grap…