2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/101929We summarize recent nonperturbative results obtained for the thermodynamics of an SU(2) and an SU(3) Yang-Mills theory being in its deconfining (electric) phase. Emphasis is put on an explanation of the concepts involved. The presentation of technical details is avoided.10 pages, 2 figures, v2: consequences of a modification of the evolution equation for the effective coupling implementedHigh Energy Physics - Theorytext