Dorian Croitoru ; Suho Oh ; Alexander Postnikov
-
Poset vectors and generalized permutohedra
dmtcs:2319 -
Discrete Mathematics & Theoretical Computer Science,
January 1, 2013,
DMTCS Proceedings vol. AS, 25th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2013)
-
https://doi.org/10.46298/dmtcs.2319
Poset vectors and generalized permutohedraArticle
Authors: Dorian Croitoru 1; Suho Oh 2; Alexander Postnikov 3
NULL##NULL##NULL
Dorian Croitoru;Suho Oh;Alexander Postnikov
1 WorldQuant
2 Department of Mathematics [Ann Arbor]
3 Department of Mathematics [MIT]
We show that given a poset $P$ and and a subposet $Q$, the integer points obtained by restricting linear extensions of $P$ to $Q$ can be explained via integer lattice points of a generalized permutohedron.
O. Ol. Iemets;O. Ol. Yemets’;I. M. Polyakov, 2018, Criterion of an Edge of a General Polyhedron of Arrangements, Cybernetics and Systems Analysis, 54, 5, pp. 796-805, 10.1007/s10559-018-0081-5.