2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/221616We show that the calculated DNA denaturation curves for finite (Peyrard-Bishop-Dauxois (PBD) chains are intrinsically undefined.2 pages. Accepted for EPLBiological PhysicsSoft Condensed MatterComment on "A generalized Langevin formalism of complete DNA melting transition"text