2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152734We classify all the Heisenberg and conformal vectors and determine the full automorphism group of the free bosonic vertex algebra without gradation. To describe it we introduce a notion of inner automorphisms of a vertex algebra.35 pages, no figures, Latex2e files using amsmath,amssymb,amsthm,amscd packagesHigh Energy Physics - TheoryQuantum Algebratext