2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149834We show that Calabi-Yau spaces with certain types of hypersurface- quotient singularities have unobstructed deformations. This applies in particular to all Calabi-Yau orbifolds nonsingular in codimension 2.7 pages, amstex2.1Algebraic Geometrytext