2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114285We study non-nesting actions of groups on real trees. We prove some fixed point theorems for such actions under the assumption that groups are Polish and have comeagre conjugacy classes.27 pages, AMSLaTeXGroup TheoryLogic20E08 (Primary) 03C50, 03E15 (Secondary)Non-nesting actions of Polish groups on pretreestext