2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/101953We summarize recent nonperturbative results obtained for the thermodynamics of an SU(2) and an SU(3) Yang-Mills theory being in its confining (center) phase. This phase is associated with a dynamical breaking of the local magnetic center symmetry. Emphasis is put on an explanation of the involved concepts.12 pages, 3 figures, v2: some typos correctedHigh Energy Physics - Theorytext