2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52392We show that, in gauge theory of principal connections, any gauge non-invariant Lagrangian can be completed to the BRST-invariant one. The BRST extension of the global Chern-Simons Lagrangian is present.5 pagesHigh Energy Physics - TheoryMathematical Physicstext