2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18230In these lectures we sketch a rapid survey of recent theoretical advances in the study of frustrated quantum magnets with a special emphasis on two dimensional magnets.LaTeX2e (RevTeX4), 21 pages, 11 figures. Contribution to the lecture notes of the Cargese summer school on "Trends in high magnetic field science" (may 2001)Strongly Correlated Electronstext