2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148407This treats the base-point-freeness of the adjoint bundles on normal surfaces with a boundary. This is an extension of the non-relative version of the theorem of Ein-Lazarsfeld-Masek and the theorem of Kawachi-Masek.AmS-TeX 2.1, 15pages + 1 PostScript graphic pageAlgebraic Geometrytext