The generating function of two-stack sortable permutations by descents is real-rooted
Combinatorics
2012-04-18 v3
Abstract
The paper is withdrawn since the results are included in arXiv:math/0403364.
Cite
@article{arxiv.math/0303149,
title = {The generating function of two-stack sortable permutations by descents is real-rooted},
author = {Petter Brändén},
journal= {arXiv preprint arXiv:math/0303149},
year = {2012}
}
Comments
The paper is withdrawn since the results are included in arXiv:math/0403364