%0 Journal Article %A Aguiar, Marcelo %A Nyman, Kathryn %A Orellana, Rosa %T New results on the peak algebra. %J Journal of Algebraic Combinatorics %D 2006 %P 149-188 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2006__23_2_a2/ %G en %F JAC_2006__23_2_a2