Hyperoctahedral species. Bergeron, N.; Choquette, P. — 2009 Séminaire Lotharingien de Combinatoire [electronic only]
Grothendieck bialgebras, partition lattices, and symmetric functions in noncommutative variables. Bergeron, N.; Hohlweg, C.; Rosas, M.; Zabrocki, M. — 2006 The Electronic Journal of Combinatorics [electronic only]
Diagonal Temperley-Lieb invariants and harmonics. Aval, J.-C.; Bergeron, F.; Bergeron, N. — 2005 Séminaire Lotharingien de Combinatoire [electronic only]