%0 Journal Article %A Boyland, Philip %A de Carvalho, André %A Hall, Toby %T Natural extensions of unimodal maps: virtual sphere homeomorphisms and prime ends of basin boundaries %J Geometry & topology %D 2021 %P 111-228 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2021.25.111/ %R 10.2140/gt.2021.25.111 %F GT_2021_25_1_a2