Homology, Homotopy and Applications
Volume 8 (2006)
Families of Hopf algebra of trees and pre-lie algebras
Pages: 243 – 256
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.
Hopf algebras, trees, deformations
2010 Mathematics Subject Classification