%0 Journal Article %A Wanwan Jia %A Zhengpan Wang %A Houyi Yu %T Rigidity for the Hopf algebra of quasisymmetric functions %J The electronic journal of combinatorics %D 2019 %V 26 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/8174/ %R 10.37236/8174 %F 10_37236_8174