English

Nonhomogeneous parking functions and noncrossing partitions

Combinatorics 2008-12-04 v1

Abstract

For each skew shape we define a nonhomogeneous symmetric function, generalizing a construction of Pak and Postnikov. In two special cases, we show that the coefficients of this function when expanded in the complete homogeneous basis are given in terms of the (reduced) type of kk-divisible noncrossing partitions. Our work extends Haiman's notion of a parking function symmetric function.

Keywords

Cite

@article{arxiv.0812.0733,
  title  = {Nonhomogeneous parking functions and noncrossing partitions},
  author = {Drew Armstrong and Sen-Peng Eu},
  journal= {arXiv preprint arXiv:0812.0733},
  year   = {2008}
}

Comments

11 pages, 3 figures

R2 v1 2026-06-21T11:47:58.291Z