Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry

Certain ∗-semigroups are associated with the universal C∗-algebra generated by a partial isometry, which is itself the universal C∗-algebra of a ∗-semigroup. A fundamental role for a ∗-structure on a semigroup is emphasized, and ordered and matricially ordered ∗-semigroups are introduced, along with...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Symmetry, Integrability and Geometry: Methods and Applications
Datum:2014
1. Verfasser: Brenken, B.
Format: Artikel
Sprache:Englisch
Veröffentlicht: Інститут математики НАН України 2014
Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/146684
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry / B. Brenken // Symmetry, Integrability and Geometry: Methods and Applications. — 2014. — Т. 10. — Бібліогр.: 20 назв. — англ.

Institution

Digital Library of Periodicals of National Academy of Sciences of Ukraine
_version_ 1862734089982836736
author Brenken, B.
author_facet Brenken, B.
citation_txt Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry / B. Brenken // Symmetry, Integrability and Geometry: Methods and Applications. — 2014. — Т. 10. — Бібліогр.: 20 назв. — англ.
collection DSpace DC
container_title Symmetry, Integrability and Geometry: Methods and Applications
description Certain ∗-semigroups are associated with the universal C∗-algebra generated by a partial isometry, which is itself the universal C∗-algebra of a ∗-semigroup. A fundamental role for a ∗-structure on a semigroup is emphasized, and ordered and matricially ordered ∗-semigroups are introduced, along with their universal C∗-algebras. The universal C∗-algebra generated by a partial isometry is isomorphic to a relative Cuntz-Pimsner C∗-algebra of a C∗-correspondence over the C∗-algebra of a matricially ordered ∗-semigroup. One may view the C∗-algebra of a partial isometry as the crossed product algebra associated with a dynamical system defined by a complete order map modelled by a partial isometry acting on a matricially ordered ∗-semigroup.
first_indexed 2025-12-07T19:40:39Z
format Article
fulltext
id nasplib_isofts_kiev_ua-123456789-146684
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 1815-0659
language English
last_indexed 2025-12-07T19:40:39Z
publishDate 2014
publisher Інститут математики НАН України
record_format dspace
spelling Brenken, B.
2019-02-10T18:11:16Z
2019-02-10T18:11:16Z
2014
Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry / B. Brenken // Symmetry, Integrability and Geometry: Methods and Applications. — 2014. — Т. 10. — Бібліогр.: 20 назв. — англ.
1815-0659
2010 Mathematics Subject Classification: 46L05; 46L08; 20M30; 06F05; 46L55
DOI:10.3842/SIGMA.2014.055
https://nasplib.isofts.kiev.ua/handle/123456789/146684
Certain ∗-semigroups are associated with the universal C∗-algebra generated by a partial isometry, which is itself the universal C∗-algebra of a ∗-semigroup. A fundamental role for a ∗-structure on a semigroup is emphasized, and ordered and matricially ordered ∗-semigroups are introduced, along with their universal C∗-algebras. The universal C∗-algebra generated by a partial isometry is isomorphic to a relative Cuntz-Pimsner C∗-algebra of a C∗-correspondence over the C∗-algebra of a matricially ordered ∗-semigroup. One may view the C∗-algebra of a partial isometry as the crossed product algebra associated with a dynamical system defined by a complete order map modelled by a partial isometry acting on a matricially ordered ∗-semigroup.
This paper is a contribution to the Special Issue on Noncommutative Geometry and Quantum Groups in
 honor of Marc A. Rief fel. The full collection is available at http://www.emis.de/journals/SIGMA/Rieffel.html. 
 I am most grateful to the referees for their detailed and helpful commentary regarding the many
 changes aimed at improving the readability of my initial submission. As well, a referee suggested
 a shorter proof of Proposition 3.5 and pointed out the potential for a natural approach to the
 pair of ∗-maps ω and βω of Section 3.1. I am also thankful to the Fields Institute for their
 hospitality throughout the fall of 2012 during which some of this project was completed.
en
Інститут математики НАН України
Symmetry, Integrability and Geometry: Methods and Applications
Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
Article
published earlier
spellingShingle Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
Brenken, B.
title Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
title_full Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
title_fullStr Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
title_full_unstemmed Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
title_short Ordered ∗-Semigroups and a C∗-Correspondence for a Partial Isometry
title_sort ordered ∗-semigroups and a c∗-correspondence for a partial isometry
url https://nasplib.isofts.kiev.ua/handle/123456789/146684
work_keys_str_mv AT brenkenb orderedsemigroupsandaccorrespondenceforapartialisometry