2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210255These third-year lecture notes are designed for a 1-semester course in topological quantum field theory (TQFT). Assumed background in mathematics and physics are only standard second-year subjects: multivariable calculus, introduction to quantum mechanics and basic electromagnetism. Keywords: quantum mechanics/field theory, path integral, Hodge decomposition, Chern-Simons and Yang-Mills gauge theories, conformal field theory67 pages, 4 figures, corrected and extendedMathematical Physicstext