The influence of cut vertices and eigenvalues on character graphs of solvable groups

Roghayeh Hafezieh, Mohammad Ali Hosseinzadeh, Samaneh Hossein-Zadeh +1

Given a finite group $G$, the character graph, denoted by $\Delta (G)$, for its irreducible character degrees is a graph with vertex set $\rho (G)$ which is the set of prime numbers that div…