2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112795We study the pseudohermitian sectional curvature of a CR manifold.29 pagesDifferential Geometry32V05; 53C25; 53C30; 32V40On the pseudohermitian sectional curvature of a strictly pseudoconvex CR manifoldtext