Reciprocal maximum likelihood degrees of brownian motion tree models

Authors

  • T. Boege MPI for Mathematics in the Sciences, Germany
  • J. I. Coons St John's College, University of Oxford, United Kingdom
  • C. Eur Harvard University, USA
  • A. Maraj University of Michigan, USA
  • F. Roettger Université de Genève, Switzerland

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.

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Published

2021-10-10

Issue

Vol. 76 No. 2 (2021)

Section

Articoli

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