Abstract
The ${\ensuremath{\Omega}}^{\ensuremath{-}}$ nonleptonic decays are investigated in the framework of a chiral Lagrangian model. In this way, ambiguities of extension of meson momenta to zero which are present in the current-algebra approach are made explicit. We find that these decays may possess a rather complicated structure and a discussion of approximation schemes is given which may help to explain the present experimental data. The approximation of the $\ensuremath{\Xi}2\ensuremath{\pi}$ decay mode by ${\ensuremath{\Xi}}^{*}\ensuremath{\pi}$ is also discussed.
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