2 papers
math.CO2025
Permutohedron's volume via Dyck paths
Damian de la Fuente
In a recent project, Castillo, Libedinsky, Plaza, and the author established a deep connection between the size of lower Bruhat intervals in affine Weyl groups and the volume of th…
math.CO2023
On the size of Bruhat intervals
Federico Castillo, Damian de la Fuente, Nicolas Libedinsky +1
For affine Weyl groups and elements associated to dominant coweights, we present a convex geometry formula for the size of the corresponding lower Bruhat intervals. Extensive compu…