2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55765Conformal field theories based on $g/u(1)^d$ coset constructions where $g$ is a reductive algebra are studied.It is shown that the theories are equivalent to constrained WZNW models for $g.$ Generators of extended symmetry algebras and primary fields are constructed.7 pages, Latex, misprints correctedHigh Energy Physics - TheoryQuantum Algebratext