2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72353We show that recent results of U. Baumgartner and G.A. Willis concerning contraction groups of automorphisms of metrizable, totally disconnected, locally compact groups remain valid also in the non-metrizable case, if one restricts attention to automorphisms for which small tidy subgroups exist.6 pages, LaTeXGroup Theory22D05; 22D45text