%0 Journal Article %A Stefan Haller %A Cornelia Vizman %T Nonlinear Grassmannians: Plain, Decorated, Augmented %J Journal of Lie Theory %D 2025 %P 805-843 %V 35 %N 4 %U http://geodesic.mathdoc.fr/item/JOLT_2025_35_4_a5/ %F JOLT_2025_35_4_a5