2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/145143Classical target space duality transformations are studied for the non-linear sigma model with a dilaton field. Working within the framework of the Hamiltonian formalism we require the duality transformation to be a property only of the target spaces. We obtain a set of restrictions on the geometrical data.11 pagesHigh Energy Physics - Theorytext