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Bibliographic Details
Main Authors: Bassi, Jacopo, Conti, Roberto
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2505.16759
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author Bassi, Jacopo
Conti, Roberto
author_facet Bassi, Jacopo
Conti, Roberto
contents The diadic $C^*$-algebra $\cQ_2$ contains canonically a copy of the Cuntz algebra $\cO_2$. It is shown that the inclusion $\cO_2 \subset \cQ_2$ is $C^*$-irreducible and rigid. It follows that the injective envelopes of these two $C^*$-algebras are $*$-isomorphic.
format Preprint
id arxiv_https___arxiv_org_abs_2505_16759
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On the inclusion $\cO_2 \subset \cQ_2$
Bassi, Jacopo
Conti, Roberto
Operator Algebras
(MSC 2010) Primary: 46L05, Secondary: 47L40
The diadic $C^*$-algebra $\cQ_2$ contains canonically a copy of the Cuntz algebra $\cO_2$. It is shown that the inclusion $\cO_2 \subset \cQ_2$ is $C^*$-irreducible and rigid. It follows that the injective envelopes of these two $C^*$-algebras are $*$-isomorphic.
title On the inclusion $\cO_2 \subset \cQ_2$
topic Operator Algebras
(MSC 2010) Primary: 46L05, Secondary: 47L40
url https://arxiv.org/abs/2505.16759