RAFAEL MARÍA RUBIO RUIZ2026-01-292026-01-29202310.1063/5.01647152-s2.0-85174807844https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/37046Mathematical PhysicsStatistical and Nonlinear PhysicsObstructions to the existence of trapped submanifolds in relativistic spacetimesresearch article