2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55012The two-dimensional simple supergravity is reexamined from the point of view of super-Weyl group cohomologies. The non-local form of the effective action of 2d supergravity which generalise the famous $R 1/\Box R$ is obtained.LaTeX file, no figuresHigh Energy Physics - Theorytext