aro-the scientific journal of koya university2016Vol. 4pp. 47-50
222
shuker2016thearothe
Abstract
In this paper, we consider the crossing number and the chromatic number of the zero divisor graph Γ(Z_(2^2 p)) to show that this type of zero divisor graphs is bipartite graph, and the smallest cycle in Γ(Z_(2^2 p)) is of length four this implies that the girth is equal four.