dmtcs:3037 -
Discrete Mathematics & Theoretical Computer Science,
January 1, 2012,
DMTCS Proceedings vol. AR, 24th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2012)
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https://doi.org/10.46298/dmtcs.3037
Arc Permutations (extended abstract)Article
Authors: Sergi Elizalde 1; Yuval Roichman 2
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Sergi Elizalde;Yuval Roichman
1 Department of Mathematics [Dartmouth]
2 Department of Mathematics [Bar-Ilan]
Arc permutations and unimodal permutations were introduced in the study of triangulations and characters. In this paper we describe combinatorial properties of these permutations, including characterizations in terms of pattern avoidance, connections to Young tableaux, and an affine Weyl group action on them.