2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161473This is a survey on extended affine Lie algebras and related types of Lie algebras, which generalize affine Lie algebras.66 pages without index. See http://www.mathstat.uottawa.ca/~neher/Papers/ for a version with indexRings and AlgebrasQuantum AlgebraRepresentation Theory17B65 (Primary); 16W50, 17B67, 17B70 (Secondary)text