2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93874It is shown, in the context of a recent formulation of elementary particles in terms of, what may be called, a Quantum Mechanical Kerr-Newman metric, that spin is a consequence of a space-time cut off at the Compton wavelength and Compton time scale. On this basis, we deduce the Dirac equation from a simple coordinate transformation.6 pages, TeX, Paper at the Spin and Perturbation Theory 98, symposium, Rome, 1998Quantum PhysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext