%0 Journal Article %A Blasiak, Jonah %A Morse, Jennifer %A Pun, Anna %A Summers, Daniel %T Catalan functions and 𝑘-Schur positivity %J Journal of the American Mathematical Society %D 2019 %P 921-963 %V 32 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/jams/921/ %R 10.1090/jams/921 %F 10_1090_jams_921