2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135898Let G be a finite group and let S be a G-set. The Burnside ring of G has a natural structure of a lambda-ring. However, a priori the images of S under the lambda-operations can only be computed implicitly. In this paper we establish an explicit formula, expressing these images as linear combinations of classes of G-sets.7 pagesGroup Theory19A22, 20B05text