Professor Magnus Bordewich m.j.r.bordewich@durham.ac.uk
Professor
Constructing Tree-Child Networks from Distance Matrices
Bordewich, Magnus; Semple, Charles; Tokac, Nihan
Authors
Charles Semple
Nihan Tokac
Abstract
A tree-child network is a phylogenetic network with the property that each non-leaf vertex is the parent of a tree vertex or a leaf. In this paper, we show that a tree-child network on taxa (leaf) set X with an outgroup and a positive real-valued weighting of its edges is essentially determined by the multi-set of all path-length distances between elements in X provided, for each reticulation, the edges directed into it have equal weight. Furthermore, we give a polynomial-time algorithm for reconstructing such a network from this inter-taxa distance information. Such constructions are of central importance in evolutionary biology where phylogenetic networks represent the ancestral history of a collection of present-day taxa.
Citation
Bordewich, M., Semple, C., & Tokac, N. (2017). Constructing Tree-Child Networks from Distance Matrices. Algorithmica, 80(8), 2240-2259. https://doi.org/10.1007/s00453-017-0320-6
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 27, 2017 |
Online Publication Date | May 8, 2017 |
Publication Date | Aug 1, 2017 |
Deposit Date | Apr 27, 2017 |
Publicly Available Date | May 8, 2018 |
Journal | Algorithmica |
Print ISSN | 0178-4617 |
Electronic ISSN | 1432-0541 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 80 |
Issue | 8 |
Pages | 2240-2259 |
DOI | https://doi.org/10.1007/s00453-017-0320-6 |
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Copyright Statement
The final publication is available at Springer via https://doi.org/10.1007/s00453-017-0320-6
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