Geodesic
Families of Hopf algebra of trees and pre-lie algebras
Homology, homotopy, and applications, Tome 8 (2006) no. 1, pp. 243-256.

Voir la notice de l'article provenant de la source International Press of Boston

We study Hopf algebra structures on polynomial algebras generated by coloured trees. In particular, we establish the existence of a $2n$-parameter family of such structures for trees coloured by $n$ colours.
DOI : 10.4310/HHA.2006.v8.n1.a8
Classification : 16Wxx, 18D50
Keywords: Hopf algebras, trees, deformations 
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Pepijn van der Laan; Ieke Moerdijk. Families of Hopf algebra of trees and pre-lie algebras. Homology, homotopy, and applications, Tome 8 (2006) no. 1, pp. 243-256. doi : 10.4310/HHA.2006.v8.n1.a8. http://geodesic.mathdoc.fr/articles/10.4310/HHA.2006.v8.n1.a8/

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