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Fig. 8 | Genome Biology

Fig. 8

From: Emphasis on the deep or shallow parts of the tree provides a new characterization of phylogenetic distances

Fig. 8

Illustration of the tree breaking function. We start off with the six-node tree T on the left. If vertex 6 is the root of T, its leaves are vertices 1, 2, and 3. When we apply the tree-breaking operation to the (5,4) edge, we obtain the forest on the right F=tb(T,(5,4)). The roots are now vertices 7 (added when we broke the tree) and 6 (the root in the initial tree) for the two trees in the forest. The leaves remain vertices 1, 2, and 3

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