Relevant phylogenetic invariants of evolutionary models

Details Relevant phylogenetic invariants of evolutionary models Relevant phylogenetic invariants of evolutionary models

2009-12-10

arxiv.org/abs/0912.1957v1

Mathematics

Algebraic Geometry

31 pages, 4 figures

Scientific paper

Recently there have been several attempts to provide a whole set of generators of the ideal of the algebraic variety associated to a phylogenetic tree evolving under an algebraic model. These algebraic varieties have been proven to be useful in phylogenetics. In this paper we prove that, for phylogenetic reconstruction purposes, it is enough to consider generators coming from the edges of the tree, the so-called edge invariants. This is the algebraic analogous to Buneman's Splits Equivalence Theorem. The interest of this result relies on its potential applications in phylogenetics for the widely used evolutionary models such as Jukes-Cantor, Kimura 2 and 3 parameters, and General Markov models.

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