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math.CO2025
Order polytopes of crown posets
Teemu Lundström, Leonardo Saud Maia Leite
In the last decade, the order polytope of the zigzag poset has been thoroughly studied. A related poset, called \emph{crown poset}, obtained by adding an extra relation between the…
math.CO2025
Two-Dimensional Faces of Order and Chain Polytopes
Ragnar Freij-Hollanti, Teemu Lundström, Teemu Lundström +1
We give an explicit combinatorial description of the two-dimensional faces of both the order polytope and the chain polytope of a partially ordere…