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A Comparison of Two Quantum Distances

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Abstract

We show that Rieffel’s quantum Gromov–Hausdorff distance between two compact quantum metric spaces is not equivalent to the ordinary Gromov–Hausdorff distance applied to the associated state spaces.

OriginalsprogEngelsk
Artikelnummer8
TidsskriftMathematical Physics, Analysis and Geometry
Vol/bind26
Udgave nummer1
Antal sider9
ISSN1385-0172
DOI
StatusUdgivet - mar. 2023

Bibliografisk note

Funding Information:
The authors gratefully acknowledge the financial support from the Independent Research Fund Denmark through Grant Nos. 9040-00107B, 7014-00145B and 1026-00371B.

Finansiering

The authors gratefully acknowledge the financial support from the Independent Research Fund Denmark through Grant Nos. 9040-00107B, 7014-00145B and 1026-00371B. This note grew out of discussions with Walter van Suijlekom during the 2022 NseaG-workshop at the Lorentz center in Leiden. We would like to thank the Lorentz center for their hospitality and the nice research environment they provide. Furthermore, the authors wish to thank Alexander Kahle, Frédéric Latrémolière and Marc Rieffel for their input in connection with the problem addressed in the present note.

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