2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179435It is shown that the 1+1-dimensional matter-coupled Jackiw-Teitelboim model and the model with an exponential potential can be converted by means of appropriate canonical transformations into a bosonic string theory propagating on a flat target space with an indefinite signature. This makes it possible to consistently quantize these models in the functional Schroedinger representation thus generalizing recent results on CGHS theory.15 pages, LatexHigh Energy Physics - Theorytext