2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55385Poisson-Lie target space duality is a framework where duality transformations are properly defined. In this letter we investigate the pair of sigma models defined by the double SO(3,1) in the Iwasawa decomposition.12 pages, 1 figureHigh Energy Physics - Theorytext