2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147744I review a new (and still tentative) approach to black hole thermodynamics that seeks to explain black hole entropy in terms of microscopic quantum gravitational boundary states induced on the black hole horizon.10 pages, one figure in separate (uuencoded, compressed) tar file; factor of 2 corrected in eqn. (2.8)General Relativity and Quantum CosmologyHigh Energy Physics - Theorytext