2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/139263We prove that the displacement energy of a stable coisotropic submanifold is bounded away from zero if the ambient symplectic manifold is closed, rational and satisfies a mild topological condition.23 pagesSymplectic GeometryDifferential Geometry53D40, 37J45Displacement energy of coisotropic submanifolds and Hofer's geometrytext