2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/102176We show that the scaling limit exists and is invariant to dilations and rotations. We give some tools that might be useful to show universality.97 pages, 6 figures. Code used for creation of the LERW picture is included. New version corrects an error in the formulation of Schramm's question (and a few other tidbits)Probabilitytext