2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56134A subjective and incomplete list of interesting and unique features of the deconfinement phase transition is presented. Furthermore a formal similarity of the density matrix of the Aharonov-Bohm system and QCD is mentioned, as well.7 pages, talk delivered at the workshop "Understanding Deconfinement in QCD", Trento, Italy, March, 1999High Energy Physics - Theorytext