2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147611Totally geodesically embeddings of infinitely many closed 7-manifolds into 13-dimensional positively curved closed Riemannian manifolds are constructed. The problems of computing pinching constants and existence of other totally geodesical embeddings are discussed.AMSTeX, 10 pages, with additions and correctionsDifferential Geometrytext