Energy of commuting graph of finite groups whose centralizers are Abelian

Reza Sharafdini, Rajat Kanti Nath, Rezvan Darbandi

Let $\Gamma$ be a graph with the adjacency matrix $A$. The energy of $\Gamma$ is the sum of the absolute values of the eigenvalues of $A$. In this article we compute the energies of the comm…