Adjacency Spectrum and Wiener Index of the Essential Ideal Graph of a Finite Commutative Ring ${\mathbb{Z}}_n$

P. Jamsheena, A V Chithra, Subarsha Banerjee

Let $R$ be a commutative ring with unity. The essential ideal graph ${\mathcal{E}}_R$ of $R$, is a graph with a vertex set consisting of all nonzero proper ideals of \textit{R} and…