2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/230539We show how to associate an R-tree to the set of cut points of a continuum. If X is a continuum without cut points we show how to associate an R-tree to the set of cut pairs of X.This is the version published by Algebraic & Geometric Topology on 1 November 2006Geometric Topology20E08, 54F15, 20F65, 54F05text