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Podleś Spheres for the Braided Quantum $\operatorname{SU}(2)$ (1909.05000v1)
Published 11 Sep 2019 in math.OA and math.QA
Abstract: Starting with the braided quantum group $\operatorname{SU}_q(2)$ for a complex deformation parameter $q$ we perform the construction of the quotient $\operatorname{SU}_q(2)/\mathbb{T}$ which serves as a model of a quantum sphere. Then we follow the reasoning of Podle\'{s} who for real $q$ classified quantum spaces with the action of $\operatorname{SU}_q(2)$ with appropriate spectral properties. These properties can also be expressed in the context of the braided quantum $\operatorname{SU}_q(2)$ (with complex $q$) and we find that they lead to precisely the same family of quantum spaces as found by Podle\'{s} for the real parameter $|q|$.