Enumerations relating braid and commutation classes

Document Type

Journal Article

Role

Author

Standard Number

1095-9971

Journal Title

European Journal of Combinatorics

Volume

74

First Page

11

Last Page

26

Publication Date

12-2018

Abstract

We obtain an upper and lower bound for the number of reduced words for a permutation in terms of the number of braid classes and the number of commutation classes of the permutation. We classify the permutations that achieve each of these bounds, and enumerate both cases.

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