Comaximal graph of commutative rings

Hamid Reza Maimani, Maryam Salimi, Asiyeh Sattari +1

Let $R$ be a commutative ring with identity. Let $\Gamma (R)$ be a graph with vertices as elements of $R$, where two distinct vertices $a$ and $b$ are adjacent if and only if $Ra+Rb=R$.…