2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45299We study the effect of QCD-monopole condensation on the dynamical chiral-symmetry breaking by using the dual Ginzburg-Landau theory of QCD. We formulate the Schwinger-Dyson equation and solve it numerically. The large enhancement is found for the chiral-symmetry breaking due to QCD-monopole condensation, which suggests the close relation between the color confinement and the chiral-symmetry breaking.Talk presented by S. Sasaki at International Conference on 'Quark Confinement And The Hadron Spectrum' June 1994 in Como, Italy 3 pages in Latex, uses epsf.tex for 1 figure appended at the end as PostScript fileHigh Energy Physics - Phenomenologytext