%0 Journal Article %T Mapping class groups of simply connected high-dimensional manifolds need not be arithmetic %J Comptes Rendus. Mathématique %D 2020 %P 469-473 %V 358 %N 4 %I Académie des sciences, Paris %U https://doi.org/10.5802/crmath.61 %R 10.5802/crmath.61 %G en %F CRMATH_2020__358_4_469_0