2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60933It is given an effective upper estimate of expectation of |T_1-T_2|, where T_1 and T_2 are the first exit times from a region for two vector diffusion processes.2 pagesProbabilityMathematical PhysicsOn first exit times for homogeneous diffusion processestext