2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33551Bekenstein's conjectured entropy bound for a system of linear size R and energy E, S < 2 pi E R, can be violated by an arbitrarily large factor, among other ways, by a scalar field having a symmetric potential allowing domain walls, and by the electromagnetic field modes between an arbitrarily large number of conducting plates.11 pagesGeneral Relativity and Quantum Cosmologytext