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Concordia researchers create a mathematical model to chart evolution When a Yule tree is not a yule tree: in 1924 G. U. Yule created a tree-shaped graph to map genealogical history. Montreal, December ...
The Yule tree graph The Yule tree is a graph with one edge coming in and two edges coming out of each branch-point. The branches represent the time periods between the evolution of new species. If the ...