2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77775This paper develops the theory of a sheaf of normal differential operators to a submanifold Y of a complex manifold X as a generalization of the normal bundle. We show that the global sections of this sheaf play an analogous role for formal deformations of Y to the role played by the normal bundle with respect to first-order deformations.Requires Xy fontsAlgebraic Geometrytext