English

A quantum metric on the Cantor Space

Operator Algebras 2023-12-20 v1 Functional Analysis

Abstract

The first author and Latr\'emoli\`ere had introduced a quantum metric (in the sense of Rieffel) on the algebra of complex-valued continuous functions on the Cantor space. We show that this quantum metric is distinct from the quantum metric induced by a classical metric on the Cantor space. We accomplish this by showing that the seminorms induced by each quantum metric (Lip-norms) are distinct on a dense subalgebra of the algebra of complex-valued continuous functions on the Cantor space. In the process, we develop formulas for each Lip-norm on this dense subalgebra and show these Lip-norms agree on a Hamel basis of this subalgebra. Then, we use these formulas to find families of elements for which these Lip-norms disagree.

Keywords

Cite

@article{arxiv.1907.05835,
  title  = {A quantum metric on the Cantor Space},
  author = {Konrad Aguilar and Alejandra López},
  journal= {arXiv preprint arXiv:1907.05835},
  year   = {2023}
}

Comments

22 pages

R2 v1 2026-06-23T10:19:46.873Z