2 papers
math.CO2019
Properties for the Frechet Mean in Billera-Holmes-Vogtmann Treespace
Maria Anaya, Olga Anipchenko-Ulaj, Aisha Ashfaq +9
The Billera-Holmes-Vogtmann (BHV) space of weighted trees can be embedded in Euclidean space, but the extrinsic Euclidean mean often lies outside of treespace. Sturm showed that th…
q-bio.PE2016
On Determining if Tree-based Networks Contain Fixed Trees
Maria Anaya, Olga Anipchenko-Ulaj, Aisha Ashfaq +9
We address an open question of Francis and Steel about phylogenetic networks and trees. They give a polynomial time algorithm to decide if a phylogenetic network, N, is tree-based…