Refined Restricted Permutations Avoiding Subsets of Patterns of Length Three
Combinatorics
2007-05-23 v1
Abstract
Define to be the set of permutations of with exactly fixed points which avoid all patterns in . We enumerate , , for all and .
Cite
@article{arxiv.math/0204005,
title = {Refined Restricted Permutations Avoiding Subsets of Patterns of Length Three},
author = {Toufik Mansour and Aaron Robertson},
journal= {arXiv preprint arXiv:math/0204005},
year = {2007}
}