2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17774We consider a harmonically trapped few-Boson system under rotation and investigate the ground state properties beyond the usual ``lowest Landau level'' approximation by using exact diagonalizations in a restricted Hilbert subspace. We find that both the effective interaction energy and density distribution are strongly affected by the two-body interaction strength.3 pages, 4 figures, to appear in Phys. Rev. A as a Brief ReportStatistical Mechanicstext