2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51354A sketch is given of a circle of ideas relating quantum field theories with representation theory. The main mathematical ingredients are spinor geometry and the gauge group equivariant K-theory of the space of connections.High Energy Physics - TheoryRepresentation TheoryQuantum Field Theory and Representation Theory: A Sketchtext