3 papers
math.CO2026
Refined product formulas for Tamari intervals
Alin Bostan, Frédéric Chyzak, Vincent Pilaud
We provide short product formulas for the -vectors of the canonical complexes of the Tamari lattices and of the cellular diagonals of the associahedra.
math.CO2025
Lattices of acyclic pipe dreams
Nantel Bergeron, Noémie Cartier, Cesar Ceballos +1
We show that for any permutation , the increasing flip graph on acyclic pipe dreams with exiting permutation is a lattice quotient of the interval of the weak ord…
math.CO2025
Hochschild polytopes
Vincent Pilaud, Daria Poliakova
The -multiplihedron is a polytope whose faces correspond to -painted -trees, and whose oriented skeleton is the Hasse diagram of the rotation lattice on binary -pai…