2 papers
stat.CO2026
Markov embedding of ranked unlabelled evolutionary trees and its applications
Lasse Thorup Fallesen, Simon Pauli, Elisabeth Sommer James +2
Rooted bifurcating trees are mathematical objects used to model evolutionary relationships and arise naturally in both coalescent theory and phylogenetics. Recent numerical represe…
cs.LG2026
MM-algorithms for traditional and convex NMF with Tweedie and Negative Binomial cost functions and empirical evaluation
Elisabeth Sommer James, Asger Hobolth, Marta Pelizzola
Non-negative matrix factorisation (NMF) is a widely used tool for unsupervised learning and feature extraction, with applications ranging from genomics to text analysis and signal…