2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/105936We review old and recent results on subleading contributions to black hole entropy in string theory.32 pages. Based on talk given at the 2nd Workshop on Mathematical and Physical Aspects of Quantum Gravity, Blaubeuren, 28 July - 1 August, 2005High Energy Physics - Theorytext