Markov invariants and the isotropy subgroup of a quartet tree
نویسندگان
چکیده
منابع مشابه
Markov invariants and the isotropy subgroup of a quartet tree.
The purpose of this article is to show how the isotropy subgroup of leaf permutations on binary trees can be used to systematically identify tree-informative invariants relevant to models of phylogenetic evolution. In the quartet case, we give an explicit construction of the full set of representations and describe their properties. We apply these results directly to Markov invariants, thereby ...
متن کاملDeveloping a statistically powerful measure for quartet tree inference using phylogenetic identities and Markov invariants.
Recently there has been renewed interest in phylogenetic inference methods based on phylogenetic invariants, alongside the related Markov invariants. Broadly speaking, both these approaches give rise to polynomial functions of sequence site patterns that, in expectation value, either vanish for particular evolutionary trees (in the case of phylogenetic invariants) or have well understood transf...
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ژورنال
عنوان ژورنال: Journal of Theoretical Biology
سال: 2009
ISSN: 0022-5193
DOI: 10.1016/j.jtbi.2009.01.021