عنوان On the Number of Spanning Trees of Rooted Product of Graphs نوع پژوهش مقاله ارائهشده کلیدواژهها Spanning tree, Rooted product, Cluster, Thorn graph. چکیده In this paper, we obtain some exact formulas for the number of spanning trees of rooted product of graphs. Also we obtain the number of spanning trees of the cluster and the thorn graphs. پژوهشگران محمد علی حسین زاده (نفر اول)