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Inverse Semigroups and Sheu's Groupoid for Odd Dimensional Quantum Spheres
Published online by Cambridge University Press: 20 November 2018
Abstract.
In this paper, we give a different proof of the fact that the odd dimensional quantum spheres are groupoid ${{C}^{*}}$-algebras. We show that the ${{C}^{*}}$-algebra $C\left( S_{q}^{2\ell +1} \right)$ is generated by an inverse semigroup $T$ of partial isometries. We show that the groupoid ${{\mathcal{G}}_{tight}}$ associated with the inverse semigroup $T$ by Exel is exactly the same as the groupoid considered by Sheu.
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- Copyright © Canadian Mathematical Society 2013