2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109978We define covariantly a deformation of a given algebra, then we will see how it can be related to a deformation quantization of a class of observables in Quantum Field Theory. Then we will investigate the operator order related to this deformation quantization.10 pages, no figuresMathematical Physics46L65; 53D55Covariant Deformation Quantization of Free Fieldstext