2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52887Recently, Carroll and Chen [hep-th/0410270] suggested a promising natural explanation of the thermodynamic arrow of time. However, we criticize their assertion that there exists a Cauchy hypersurface with a minimal entropy and argue that such a Cauchy hypersurface is not needed for an explanation of the arrow of time.3 pagesHigh Energy Physics - TheoryAstrophysicsGeneral Relativity and Quantum Cosmologytext