2 papers
math.CO2025
Configuration spaces and peak representations
Marcelo Aguiar, Sarah Brauner, Victor Reiner
Within the group algebras of the symmetric and hyperoctahedral groups, one has their descent algebras and families of Eulerian idempotents. These idempotents are known to generate…
math.CO2019
Enumerating linear systems on graphs
Sarah Brauner, Forrest Glebe, David Perkinson
The divisor theory of graphs views a finite connected graph as a discrete version of a Riemann surface. Divisors on are formal integral combinations of the vertices of ,…