2 papers
math.CO2025
Permutation Flows I: Triangulations of Flow Polytopes (Research Announcement)
Rafael S. González D'León, Christopher R. H. Hanusa, Martha Yip
We introduce a new broadly unifying family of combinatorial objects, which we call permutation flows, associated to an acyclic directed graph together with a framing . This…
math.CO2023
Whitney Twins, Whitney Duals, and Operadic Partition Posets
Rafael S. González D'León, Joshua Hallam, Yeison A. Quiceno D
We say that a pair of nonnegative integer sequences is Whitney-realizable if there exists a poset for which (the absolute values) of the…