2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147507Warning: We have recently discovered a technical error in the paper cond-mat/9504032 and entitled here above, that invalidates part but not all of our conclusions. A corrected version will be soon put in.Warning: We have recently discovered a technical error in the paper cond-mat/9504032 and enTitled here above, that invalidates part but not all of our conclusions. A corrected version will be soon put in.Condensed MatterPhase diagram of the Hubbard model at small doping and low temperaturetext