%0 Journal Article %A Hervé Oyono-Oyono %T Groupoids decomposition, propagation and operator $K$-theory %J Groups, geometry, and dynamics %D 2023 %P 751-804 %V 17 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/715/ %R 10.4171/ggd/715 %F 10_4171_ggd_715