The # product in combinatorial Hopf algebras
Résumé
We show that the # product of binary trees introduced by Aval and Viennot [arxiv:0912.0798] is in fact defined at the level of the free associative algebra, and can be extended to most of the classical combinatorial Hopf algebras.
Domaines
Combinatoire [math.CO]| Origine | Fichiers produits par l'(les) auteur(s) |
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