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arxiv: 2401.08958 · v2 · pith:2RLHZUVYnew · submitted 2024-01-17 · 🧮 math.CO

Counting Phylogenetic Networks with Few Reticulation Vertices: Galled and Reticulation-Visible Networks

classification 🧮 math.CO
keywords networksgalledreticulation-visiblecountingnumberresultsreticulationvertices
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We give exact and asymptotic counting results for the number of galled networks and reticulation-visible networks with few reticulation vertices. Our results are obtained with the component graph method, which was introduced by L. Zhang and his coauthors, and generating function techniques. For galled networks, we in addition use analytic combinatorics. Moreover, in an appendix, we consider maximally reticulated reticulation-visible networks and derive their number, too.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Exact Enumeration of Phylogenetic Networks: The Tree-Child, Reticulation-Visible and Orchard Hierarchy

    math.CO 2026-06 unverdicted novelty 7.0

    Derives closed-form differences between reticulation-visible and tree-child networks plus a rational hypergeometric generating function for orchard networks using matching polynomials of complete graphs.

  2. Exact Enumeration of Phylogenetic Networks: The Tree-Child, Reticulation-Visible and Orchard Hierarchy

    math.CO 2026-06 unverdicted novelty 7.0

    Derives exact enumerations, closed-form differences, and a universal hypergeometric law for orchard phylogenetic networks via generating functions and the Chang-Fuchs theorem, extending prior tables to resolve cases l...