2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49983A path integral description of an effective action of monopoles in Abelian projections of Yang-Mills theories is discussed and used to establish a projection independence of the effective action. A dynamic regime in which the effective dynamics may contain massive solitonic excitations is described.A talk given at ``Frontiers of Matter'', Blois, France (summer'99); to appear in the proceedings; plain Latex, 6 pagesHigh Energy Physics - Theorytext