2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149165Contents: 1. Introduction 2. Bosonic propagators and random paths 3. Random surfaces and strings 4. Matrix models and two-dimensional quantum gravity 5. The mystery of $c > 1$ 6. Euclidean quantum gravity in $d > 2$ 7. Discussion101 pages, 31 figures. Lectures presented at the 1994 Les Houches Summer School ``Fluctuating Geometries in Statistical Mechanics and Field Theory.'' (also available at http://xxx.lanl.gov/lh94/ )High Energy Physics - TheoryGeneral Relativity and Quantum CosmologyHigh Energy Physics - Latticetext