Gauge Invariance of the Quantum Electrodynamics in the Causal Approach to Renormalization Theory

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56392We present an extremely simple solution to the renormalization of quantum electrodynamics based on Epstein-Glaser approach to renormalization theory.LATEX 2e, 34 pages, the case of scalar QED also consideredHigh Energy Physics - TheoryGauge Invariance of the Quantum Electrodynamics in the Causal Approach to Renormalization Theorytext