2 papers
math.CO2026
The noncommutative geode
Jean-Christophe Novelli, Jean-Yves Thibon
We investigate the geode and some of its generalizations from the point of view on noncommutative symmetric functions.
math.CO2025
Noncommutative chromatic quasi-symmetric functions, Macdonald polynomials, and the Yang-Baxter equation
Jean-Christophe Novelli, Jean-Yves Thibon
As shown in our paper [JCTA 177 (2021), Paper No. 105305], the chromatic quasi-symmetric function of Shareshian-Wachs can be lifted to , the algebra of quasi-symmetric…