Reciprocal Maximum Likelihood Degrees of Brownian Motion Tree Models

09/24/2020 ∙ by Tobias Boege, et al. ∙ 0

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.

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