2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/197586Local quantum fields in 1+1 dimensions can have bounded field operators. The class of such fields which in addition obey Huygens' principle (time-like commutativity) and conformal covariance, is completely determined.12 pagesMathematical PhysicsHigh Energy Physics - Theory81T05, 81T40text