Kassie Archer
Published 2018-03-23, updated 2020-02-27Version 2
We enumerate permutations in the two permutation classes $\text{Av}_n(312, 4321)$ and $\text{Av}_n(321, 4123)$ by the number of cycles each permutation admits. We also refine this enumeration with respect to several statistics.
Two examples of Wilf-collapse
Stack-Sorting Preimages of Permutation Classes
Labelled well-quasi-order in juxtapositions of permutation classes
![QR code for arXiv:1803.08959 [math.CO]](http://oss.arxitics.com/images/favicon.svg)