Quantum metrics from length functions on quantum groups

Fuente: arXiv
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Main Authors: Austad, Are, Kyed, David
Format: Preprint
Published: 2025
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author Austad, Are
Kyed, David
author_facet Austad, Are
Kyed, David
contents We study the quantum metric structure arising from length functions on quantum groups and show that for coamenable quantum groups of Kac type, the quantum metric information is captured by the algebra of central functions. Using this, we provide the first examples of length functions on (genuine) quantum groups which give rise to compact quantum metric spaces.
format Preprint
id arxiv_https___arxiv_org_abs_2503_01501
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Quantum metrics from length functions on quantum groups
Austad, Are
Kyed, David
Operator Algebras
Quantum Algebra
58B34, 58B32, 46L89
We study the quantum metric structure arising from length functions on quantum groups and show that for coamenable quantum groups of Kac type, the quantum metric information is captured by the algebra of central functions. Using this, we provide the first examples of length functions on (genuine) quantum groups which give rise to compact quantum metric spaces.
title Quantum metrics from length functions on quantum groups
topic Operator Algebras
Quantum Algebra
58B34, 58B32, 46L89
url https://arxiv.org/abs/2503.01501