2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149386Aspects of Poisson-Lie T-duality are reviewed in more algebraic way than in our, rather geometric, previous papers. As a new result, a moment map is constructed for the Poisson-Lie symmetry of the system consisting of open strings propagating in a Poisson-Lie group manifold.7 pages, LaTeX, acknowledgement addedHigh Energy Physics - TheoryT-duality and the moment maptext