2 papers
q-bio.PE2025
Phylogenetics in a warm place: computational aspects of the Tropical Grassmannian
Samir Bhatt, John Sabol, Papri Dey +3
Phylogenetic trees provide a fundamental representation of evolutionary relationships, yet the combinatorial explosion of possible tree topologies renders inference computationally…
math.AG2025
Polynomials with Lorentzian Signature, and Computing Permanents via Hyperbolic Programming
Papri Dey
We study the class of polynomials whose Hessians evaluated at any point of a closed convex cone have Lorentzian signature. This class is a generalization to the remarkable class of…