2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/205613By using the self-dual vortex background on extra two-dimensional Riemann surfaces in 5+1 dimensions, the localization mechanism of bulk fermions on a string-like defect with the exponentially decreasing warp-factor is obtained. We give the conditions under which localized spin 1/2 and 3/2 fermions can be obtained.16 pages, no figures; V2: 16 pages with some changes, accepted by Nucl. Phys. BHigh Energy Physics - TheoryFermions in Self-dual Vortex Background on a String-like Defecttext