2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51039We perform the calculation of the partition function of the Poisson-sigma model on the world sheet with the topology of a two-dimensional disc. Considering the special case of a linear Poisson structure we recover the partition function of the Yang-Mills theory. Using a glueing procedure we are able to calculate the partition function for arbitrary base manifolds.14 pages (AmsTex)High Energy Physics - Theorytext