2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94970New extended superspaces associated with topological charge algebras of the D-brane are used to construct D-brane actions without worldvolume gauge fields. The actions are shown to be kappa-symmetric under an appropriately chosen right group action.17 pagesHigh Energy Physics - TheoryD-branes and geometrical kappa-symmetrytext