2 papers
math.CO2026
Counting Spinal Tree-Child Networks via Word Encodings and Generating Functions
Pau Vives, Anna de Mier, Gabriel Cardona +1
We study the enumeration of spinal tree-child phylogenetic networks, a rigid family of tree-child networks in which all internal vertices lie on a single root--to--leaf path. We pr…
math.CO2025
A construction that preserves the configuration of a matroid, with applications to lattice path matroids
Joseph E. Bonin, Anna de Mier
The configuration of a matroid is the abstract lattice of cyclic flats (flats that are unions of circuits) where we record the size and rank of each cyclic flat, but not the se…