Reciprocal maximum likelihood degrees of brownian motion tree models
Abstract
We give an explicit formula for the reciprocal maximum likelihood degree of Brownian motion tree models. To achieve this, we connect them to certain toric (or log-linear) models, and express the Brownian motion tree model of an arbitrary tree as a toric fiber product of star tree models.
Copyright (c) 2021 Tobias Boege, Jane Ivy Coons, Christopher Eur, Aida Maraj, Frank Roettger
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