Laplacian eigenvalues of the zero divisor graph of the ring ${\mathbb{Z}}_n$

Sriparna Chattopadhyay, Kamal Lochan Patra, Binod Kumar Sahoo

We study the Laplacian eigenvalues of the zero divisor graph $\Gamma \left({\mathbb{Z}}_n\right)$ of the ring ${\mathbb{Z}}_n$ and prove that $\Gamma \left({\mathbb{Z}}_{p^t}\right)$ is Laplacia…