2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57075We solve perturbatively the quantum elliptic Calogero-Sutherland model in the regime in which the quotient between the real and imaginary semiperiods of the Weierstrass ${\cal P}$ function is small6 pages, no figuresMathematical PhysicsExactly Solvable and Integrable Systemstext