2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/28991The purpose of this paper is to identify an unsettled issue in the theory of the half-filled Landau level, and state our point of view.Mesoscale and Nanoscale PhysicsStrongly Correlated ElectronsAn Unsettled Issue in the Theory of the Half-Filled Landau Leveltext