Figure 9
From: A minimal descriptor of an ancestral recombinations graph
(a) Non-resolvable node v (b) Two distinct configurations for t-coalescent vertex v Examples to illustrate the effect of overlap of descendants of vertex v on the number if junctions in v. (a) The rightmost descendant does not overlap with any of the two left descendants. In this case the number of junctions increase by one. (b) The three descendants, in each of the two cases, satisfy the conditions of Thm 4 (1) and there is no increase in the number of junctions.