On the non-zero divisor graph of the Hamilton quaternions over ${\mathbb{Z}}_{2^n}$

Gopika Govind, Chithra A., Manibharathi T. M. S

Let $R$ be a ring with unity. The non-zero divisor graph of $R$, $\Phi (R)$, is the graph with vertex set $R\backslash \{0,1,-1\}$, and two vertices $x$ and $y$ are adjacent if and onl…