The Hopf algebras of type B quasisymmetric functions and peak functions
Combinatorics
2007-05-23 v1 Rings and Algebras
Abstract
We show that with the appropriate choice of coproduct, the type B quasisymmetric functions form a Hopf algebra, and the recently introduced type B peak functions form a Hopf subalgebra.
Cite
@article{arxiv.math/0610976,
title = {The Hopf algebras of type B quasisymmetric functions and peak functions},
author = {Samuel K. Hsiao and T. Kyle Petersen},
journal= {arXiv preprint arXiv:math/0610976},
year = {2007}
}
Comments
9 pages