2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/180021We review in elementary, non-technical terms the description of topological B-type of D-branes in terms of boundary Landau-Ginzburg theory, as well as some applications.20p, 5 figs, Proceedings of Cargese school on string theory, 2006High Energy Physics - Theorytext