Unital compressed commuting graph of $3\times 3$ matrices over a finite prime field

Ivan-Vanja Boroja, Damjana Kokol Bukovšek, Nik Stopar

In this paper we completely describe the unital compressed commuting graph of the ring ${\mathcal{M}}_3(\mathrm{GF}(p))$ of $3\times 3$ matrices over the finite prime field $\mathrm…