2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53801The spontaneous breaking of Z(N) symmetry in hot QCD and the appearance of domain walls is reviewed.13 pages plain TeX+5 PostScript figures in a uuencoded, compressed, tar file, included at the end of the text, CPT-94/P.3006High Energy Physics - Theorytext