2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59314Two lens spaces are given to show that Ohtsuki's $τ$ for rational homology spheres does not determine Kirby-Melvin's $\{τ_r^{'}, r odd\geq3\}$Latex. To appear in Letters in Math. PhysicsQuantum AlgebraAn example concerning Ohtsuki's invariant and the full SO(3) quautum invarianttext