系统发育网络上有根系统发育子网多样性的交换特性。

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
Tomás M Coronado, Gabriel Riera, Francesc Rosselló
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引用次数: 0

摘要

有根系统发育树上的费斯系统发育多样性(PD)满足所谓的强交换特性,该特性保证了对于每两组不同心数的叶子,总能以 PD 值之和不减少的方式将一片叶子从较大的一组移到较小的一组。这种强交换特性为有根系统树上的 PD 优化问题提供了一个简单的多项式时间贪婪解。在本文中,我们获得了有根系统发育网络上有根系统发育子网多样性(rPSD)的交换属性,这涉及到更复杂的叶子交换。我们从中推导出了有根半二元二级系统发生网络上 rPSD 优化问题的多项式时间贪婪解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An interchange property for the rooted phylogenetic subnet diversity on phylogenetic networks.

Faith's Phylogenetic Diversity (PD) on rooted phylogenetic trees satisfies the so-called strong exchange property that guarantees that, for every two sets of leaves of different cardinalities, a leaf can always be moved from the larger set to the smaller set in such a way that the sum of the PD values does not decrease. This strong exchange property entails a simple polynomial-time greedy solution to the PD optimization problem on rooted phylogenetic trees. In this paper we obtain an exchange property for the rooted Phylogenetic Subnet Diversity (rPSD) on rooted phylogenetic networks, which involves a more complicated exchange of leaves. We derive from it a polynomial-time greedy solution to the rPSD optimization problem on rooted semibinary level-2 phylogenetic networks.

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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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