2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114995In the context of asymptotically flat spacetimes we exploit techniques proper either of white noise analysis either of dynamical systems in order to develop the Lagrangian and the Hamiltonian approach to a BMS invariant field theory at null infinity.49 pagesMathematical PhysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext