English

Noncommutative Symmetric Functions VII: Free Quasi-Symmetric Functions Revisited

Combinatorics 2013-02-12 v2

Abstract

We prove a Cauchy identity for free quasi-symmetric functions and apply it to the study of various bases. A free Weyl formula and a generalization of the splitting formula are also discussed.

Keywords

Cite

@article{arxiv.0809.4479,
  title  = {Noncommutative Symmetric Functions VII: Free Quasi-Symmetric Functions Revisited},
  author = {Gerard H. E. Duchamp and Florent Hivert and Jean-Christophe Novelli and Jean-Yves Thibon},
  journal= {arXiv preprint arXiv:0809.4479},
  year   = {2013}
}

Comments

21 pages, Latex, 2 figures

R2 v1 2026-06-21T11:24:17.746Z