A note on co-maximal graphs of commutative rings

Peer review under responsibility of Kalasalingam University.

Figures & data

Fig. 1 $\Gamma \left(Z_6\right)$.

Fig. 2 Graph $G$ whose line graph is $\Gamma \left(R\right)$ when $R\cong Z_{4}or\frac{Z_2\left[x\right]}{〈x^2〉}or{Z}_2\times Z_2$.

Fig. 3 Forbidden graph $G$.