2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152487This is a set of notes on phase transitions and critical phenomena prepared to accompany my lectures for the RHIC '97 summer school, held at Brookhaven from July 6 to 16, 1997.24 pages, 11 figures, 1 table. Lectures presented at RHIC '97High Energy Physics - LatticeStatistical Mechanicstext