2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53190This work contains a set of lectures on defect structures, mainly in models described by scalar fields in diverse dimensions.Lectures at the XIII J.A. Swieca Summer School on Particles and Fields, Campos de Jordao, SP, Brazil, January 9-22, 2005High Energy Physics - TheorySoft Condensed MatterHigh Energy Physics - Phenomenologytext