Article ID Journal Published Year Pages File Type
5777185 Electronic Notes in Discrete Mathematics 2017 16 Pages PDF
Abstract

We give exact formulas for the bivariate generating series of 321-avoiding affine permutations with respect to rank and Coxeter length. We use two different combinatorial approaches, both based on the theory of heaps of pieces.

Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
Authors
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