2 papers
hep-th2023
The Tropical Amplituhedron
Evgeniya Akhmedova, Ran J. Tessler
The Amplituhedron is a subspace of the Grassmannian that was recently defined by Arkani-Hamed and Trnka in their study of scattering amplitudes in planar super Yang…
math.CO2021
On Bruhat intervals of small lengths for Weyl groups
Evgeniya Akhmedova
The number of Bruhat intervals in Coxeter groups is finite, and for the first few lengths, the intervals were described up to an isomorphism by A. Hultman using the correspondence…