2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134580In this note, we prove that the Witten genus of nonsingular string complete intersections in product of complex projective spaces vanishes. Our result generalizes a known result of Landweber and Stong (cf. [HBJ]).Some materials and references are addedDifferential GeometryAlgebraic Topology53C20, 57R20 (Primary); 53C80, 11Z05 (Secondary)text