2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/79115We prove singularity of some distributions of random continued fractions that correspond to iterated function systems with overlap and a parabolic point. These arose while studying the conductance of Galton-Watson trees.To appear in J. Theoret. ProbProbability60G30; 28A78text