Noncommutative Pieri operators on posets

Noncommutative Enumeration in Graded Posets

Journal of Algebraic Combinatorics: An International Journal

The peak algebra and the Hecke-Clifford algebras at q = 0

Journal of Combinatorial Theory Series A

A signed analog of the Birkhoff transform

Journal of Combinatorial Theory Series A

Coloured peak algebras and Hopf algebras

Journal of Algebraic Combinatorics: An International Journal

Pieri's formula for generalized Schur polynomials

Journal of Algebraic Combinatorics: An International Journal

Quasisymmetric Schur functions

Journal of Combinatorial Theory Series A

Multigraded combinatorial Hopf algebras and refinements of odd and even subalgebras

Journal of Algebraic Combinatorics: An International Journal