TY - JOUR TI - Dual Creation Operators and a Dendriform Algebra Structure on the Quasisymmetric Functions JO - Canadian journal of mathematics PY - 2017 SP - 21 EP - 53 VL - 69 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2016-018-8/ DO - 10.4153/CJM-2016-018-8 ID - 10_4153_CJM_2016_018_8 ER -