2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190308We discuss some properties of the abelian monopoles in compact U(1) gauge theory and in the SU(2) gluodynamics both on the lattice and in the continuum.13 pages, 7 eps figures, LaTeX using PTPTEX.sty (included); Lectures given by M.I.Polikarpov at the 1997 Yukawa International Seminar on "Non-perturbative QCD - Structure of QCD Vacuum -" (YKIS'97), 2-12 December, 1997, Yukawa Institute for Theoretical Physics, Kyoto, JapanHigh Energy Physics - LatticeHigh Energy Physics - PhenomenologyHigh Energy Physics - Theorytext