2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66469We prove the Lefchetz theorem for CR submanifolds in Hermitian symmetric spaces. As an application we prove the nonexistence of real analytic Levi flat submanifolds in such manifolds.Differential GeometryComplex Variables32Q15The Lefschetz theorem for CR manifolds and the nonexistence of real analytic Levi flat submanifoldstext