2 papers
math.CO2026
A matroidal twist on a formula of Brion
Matthias Beck, Caroline Klivans, Dustin Ross
Brion's Formula realizes the Laurent polynomial of lattice points in a lattice polytope P as the sum of rational functions associated to the vertices of P. In this paper, we consid…
math.CO2025
Canon Permutation Posets
Matthias Beck, Danai Deligeorgaki
A permutation of the multiset is a {\em canon permutation} if the subsequence formed by the th copy of each element of is identica…