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Gromov-Hausdorff Distance for Quantum Metric Spaces | Marc A. Rieffel
; | Date: |
9 Nov 2000 | Journal: | Mem. Amer. Math. Soc. 168 (2004) no. 796, 1-65 | Subject: | Operator Algebras; Metric Geometry MSC-class: Primary 46L87; Secondary 58B30, 60B10 | math.OA hep-th math.MG quant-ph | Abstract: | By a quantum metric space we mean a C^*-algebra (or more generally an order-unit space) equipped with a generalization of the Lipschitz seminorm on functions which is defined by an ordinary metric. We develop for compact quantum metric spaces a version of Gromov-Hausdorff distance. We show that the basic theorems of the classical theory have natural quantum analogues. Our main example involves the quantum tori, $A_{ h}$. We show, for consistently defined ``metrics’’, that if a sequence ${ h_n}$ of parameters converges to a parameter $ h$, then the sequence ${A_{ h_n}}$ of quantum tori converges in quantum Gromov-Hausdorff distance to $A_{ h}$. | Source: | arXiv, math.OA/0011063 | Services: | Forum | Review | PDF | Favorites |
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