Whittaker modules and fusion rules for the Weyl vertex algebra, affine vertex algebras and their orbifolds : doctoral dissertation = Whittakerovi moduli i pravila fuzije za Weylovu verteks-algebru, afine verteks-algebre i njihove invarijantne podalgebre : doktorski rad - Pedić Tomić, Veronika; Adamović, Dražen (2021)