2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54120We review the origin of anomaly-induced dynamics in theories of $d=2$ gravity from a BRST viewpoint and show how quantum canonical transformations may be used to solve the resulting Liouville or Toda models for the anomalous modes.20 pages, Plain TeXHigh Energy Physics - TheoryNon-critical $d=2$ Gravities and Integrable Modelstext