2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/127461We outline a relationship between conformal field theories and spectral problems of ordinary differential equations, and discuss its generalisation to models related to classical Lie algebras.12 pages, 9 figures, Latex, Contribution to the Proceedings of ICMP 2006, Rio de JaneiroHigh Energy Physics - Theorytext