2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214967Motivated by the renewed interest in the role of Q-balls in cosmological evolution, we present a discussion of the main properties of Q-balls, including some new results.11 pages, 1 figure, submitted to The Europen Physics Journal CHigh Energy Physics - TheoryHigh Energy Physics - Phenomenologytext