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q-bio.PE2025
A dichotomy law for certain classes of phylogenetic networks
Michael Fuchs, Mike Steel
Many classes of phylogenetic networks have been proposed in the literature. A feature of several of these classes is that if one restricts a network in the class to a subset of its…
q-bio.PE2025
Counting rankings of tree-child networks
Qiang Zhang, Mike Steel
Rooted phylogenetic networks allow biologists to represent evolutionary relationships between present-day species by revealing ancestral speciation and hybridization events. A conv…
q-bio.PE2025
Predicting the depth of the most recent common ancestor of a random sample of species: the impact of phylogenetic tree shape
Michael Fuchs, Mike Steel
We consider the following question: how close to the ancestral root of a phylogenetic tree is the most recent common ancestor of species randomly sampled from the tips of the t…