C. Ceballos

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math.CO2026

A canonical realization of the alt $I^½$ -associahedron

Cesar Ceballos

Given a lattice path $I^½$ , the alt $I^½$ -Tamari lattice is a partial order recently introduced by Ceballos and CheneviÃ¨re, which generalizes the $I^½$ -Tamari lattice and the $I^½$ -Dy…

math.CO2026

Framing Lattices and Flow Polytopes

Matias von Bell, Cesar Ceballos

Flow polytopes of acyclic oriented graphs arise naturally in combinatorial optimization, and the study of their volumes and triangulations has revealed intriguing connections acros…

math.CO2025

Geometric realizations of $I^½$ -associahedra via brick polyhedra

Cesar Ceballos, Matthias MÃ¼ller

Brick polytopes constitute a remarkable family of polytopes associated to the spherical subword complexes of Knutson and Miller. They were introduced for finite Coxeter groups by P…

A canonical realization of the alt I^½-associahedron

Framing Lattices and Flow Polytopes

Geometric realizations of I^½-associahedra via brick polyhedra

A canonical realization of the alt $I^½$ -associahedron

Geometric realizations of $I^½$ -associahedra via brick polyhedra