190 citations · 1.2k across the 86 of their papers we have counts for
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math.CO2019★ 8 cited
The Hopf algebras of signed permutations, of weak quasi-symmetric functions and of Malvenuto-Reutenauer
Li Guo, Jean-Yves Thibon, Houyi Yu
This paper builds on two covering Hopf algebras of the Hopf algebra QSym of quasi-symmetric functions, with linear bases parameterized by compositions. One is the Malvenuto-Reutena…
math.CO2019
Noncommutative unicellular LLT polynomials
Jean-Christophe Novelli, Jean-Yves Thibon
It is known that unicellular LLT polynomials are related to the quasi-symmetric chromatic polynomials of certain graphs by the -transform of symmetric functions. We investig…