2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/168529We show, by an elementary and explicit construction, that the group of Hamiltonian diffeomorphisms of certain symplectic manifolds, endowed with Hofer's metric, contains subgroups quasi-isometric to Euclidean spaces of arbitrary dimension.9 pages, minor changesDifferential GeometryGroup TheoryGeometric TopologySymplectic Geometry53D05, 37J05, 20F65Quelques plats pour la métrique de Hofertext