2 papers
math.CO2024
On the -vectors of flow polytopes for the complete graph
William T. Dugan
The Chan-Robbins-Yuen polytope () of order is a face of the Birkhoff polytope of doubly stochastic matrices that is also a flow polytope of the directed complete graph $…
math.CO2023
Generalized Pitman-Stanley polytope: vertices and faces
William T. Dugan, Maura Hegarty, Alejandro H. Morales +1
In 1999, Pitman and Stanley introduced the polytope bearing their name along with a study of its faces, lattice points, and volume. The Pitman-Stanley polytope is well-studied due…