2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50932Topological field theory in three dimensions provides a powerful tool to construct correlation functions and to describe boundary conditions in two-dimensional conformal field theories.10 pages, 2 figures. Invited talk by C.S. at the NATO Advanced Research Workshop on Statistical Field Theories, Como, June 2001High Energy Physics - TheoryMesoscale and Nanoscale Physicstext