2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/184683An analytical solution of the collective Bohr equation with a Coulomb-like and a Kratzer-like $γ-$unstable potential in quadrupole deformation space is presented. Eigenvalues and eigenfunctions are given in closed form and transition rates are calculated for the two cases. The corresponding SO(2,1)$\times$SO(5) algebraic structure is discussed.9 pages, 4 figures in one .ps fileNuclear Theorytext