Cyclic Sieving Phenomena on Annular Noncrossing Permutations
Séminaire lotharingien de combinatoire, Tome 69 (2013)
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We show cyclic sieving phenomena on annular noncrossing permutations with given cycle types. We define annular q-Kreweras numbers, annular q-Narayana numbers, and annular q-Catalan numbers, and show that a sum of annular q-Kreweras numbers becomes an annular q-Narayana number and a sum of annular q-Narayana numbers becomes an annular q-Catalan number. We also show that these polynomials are closely related to the cyclic sieving phenomena on annular noncrossing permutations.
@article{SLC_2013_69_a1,
author = {Jang Soo Kim},
title = {Cyclic {Sieving} {Phenomena} on {Annular} {Noncrossing} {Permutations}},
journal = {S\'eminaire lotharingien de combinatoire},
year = {2013},
volume = {69},
url = {http://geodesic.mathdoc.fr/item/SLC_2013_69_a1/}
}
Jang Soo Kim. Cyclic Sieving Phenomena on Annular Noncrossing Permutations. Séminaire lotharingien de combinatoire, Tome 69 (2013). http://geodesic.mathdoc.fr/item/SLC_2013_69_a1/