Department of Computer Science, Rice University, 6100 Main Street, MS 132, Houston, TX 77005, USA.
IEEE/ACM Trans Comput Biol Bioinform. 2010 Apr-Jun;7(2):218-22. doi: 10.1109/TCBB.2009.2.
Phylogenetic networks are leaf-labeled, rooted, acyclic, and directed graphs that are used to model reticulate evolutionary histories. Several measures for quantifying the topological dissimilarity between two phylogenetic networks have been devised, each of which was proven to be a metric on certain restricted classes of phylogenetic networks. A biologically motivated class of phylogenetic networks, namely, reduced phylogenetic networks, was recently introduced. None of the existing measures is a metric on the space of reduced phylogenetic networks. In this paper, we provide a metric on the space of reduced phylogenetic networks that is computable in time polynomial in the size of the networks.
系统发生网络是带叶、有根、无环且有向的图，用于对网状进化史进行建模。已经设计了几种用于量化两个系统发生网络之间拓扑差异的度量标准，每种度量标准都被证明在某些受限类别的系统发生网络上是一种度量标准。最近引入了一类具有生物学意义的系统发生网络，即简化系统发生网络。现有的度量标准都不是简化系统发生网络空间上的度量标准。在本文中，我们提供了一种简化系统发生网络空间上的度量标准，其计算时间是网络大小的多项式。
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