Maximum Covering Subtrees for Phylogenetic Networks
Maximum Covering Subtrees for Phylogenetic Networks
复制标题
系统发育网络的最大覆盖子树
DOI:
10.1109/tcbb.2020.3040910
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
St.John, Katherine
中科院分区:
文献类型:
--
作者:
Davidov, Nathan;Hernandez, Amanda;Mckenna, Patrick;Medlin, Karen;Jian, Justin;Mojumder, Roadra;Owen, Megan;Quijano, Andrew;Rodriguez, Amanda;St.John, Katherine
Tree-based phylogenetic networks, which may be roughly defined as leaf-labeled networks built by adding arcs only between the original tree edges, have elegant properties for modeling evolutionary histories. We answer an open question of Francis, Semple, and Steel about the complexity of determining how far a phylogenetic network is from being tree-based, including non-binary phylogenetic networks. We show that finding a phylogenetic tree covering the maximum number of nodes in a phylogenetic network can be computed in polynomial time via an encoding into a minimum-cost flow problem.
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DOI:
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发表时间:
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期刊:
Theor. Comput. Sci.
影响因子:
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DOI:
10.1137/1.9781611974782.48
发表时间:
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期刊:
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影响因子:
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