Fig. 19From: Chained structure of directed graphs with applications to social and transportation networksNetwork bus-ca (970 vertices): on the left, the out-tree spanning the network rooted at the node corresponding to the “Zuddas” bus stop, the out-center vertex for \(p=-10,-1,0.1\); on the right, the out-tree rooted at the “San Benedetto” bus stop, out-center node for \(p=0.5,1\)Back to article page