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Introduction to Sofic and Hyperlinear Groups and Connes' Embedding Conjecture
Taschenbuch von Valerio Capraro (u. a.)
Sprache: Englisch

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Beschreibung
This monograph presents some cornerstone results in the study of sofic and hyperlinear groups and the closely related Connes' embedding conjecture. These notions, as well as the proofs of many results, are presented in the framework of model theory for metric structures. This point of view, rarely explicitly adopted in the literature, clarifies the ideas therein, and provides additional tools to attack open problems.
Sofic and hyperlinear groups are countable discrete groups that can be suitably approximated by finite symmetric groups and groups of unitary matrices. These deep and fruitful notions, introduced by Gromov and Radulescu, respectively, in the late 1990s, stimulated an impressive amount of research in the last 15 years, touching several seemingly distant areas of mathematics including geometric group theory, operator algebras, dynamical systems, graph theory, and quantum information theory. Several long-standing conjectures, still open for arbitrary groups, are now settled for sofic or hyperlinear groups.
The presentation is self-contained and accessible to anyone with a graduate-level mathematical background. In particular, no specific knowledge of logic or model theory is required. The monograph also contains many exercises, to help familiarize the reader with the topics present.
This monograph presents some cornerstone results in the study of sofic and hyperlinear groups and the closely related Connes' embedding conjecture. These notions, as well as the proofs of many results, are presented in the framework of model theory for metric structures. This point of view, rarely explicitly adopted in the literature, clarifies the ideas therein, and provides additional tools to attack open problems.
Sofic and hyperlinear groups are countable discrete groups that can be suitably approximated by finite symmetric groups and groups of unitary matrices. These deep and fruitful notions, introduced by Gromov and Radulescu, respectively, in the late 1990s, stimulated an impressive amount of research in the last 15 years, touching several seemingly distant areas of mathematics including geometric group theory, operator algebras, dynamical systems, graph theory, and quantum information theory. Several long-standing conjectures, still open for arbitrary groups, are now settled for sofic or hyperlinear groups.
The presentation is self-contained and accessible to anyone with a graduate-level mathematical background. In particular, no specific knowledge of logic or model theory is required. The monograph also contains many exercises, to help familiarize the reader with the topics present.
Zusammenfassung

Accessible to anyone with a graduate-level mathematical background

Includes many exercises to help the reader to learn quickly

Presents some outstanding open problems in group theory and operator algebras

Inhaltsverzeichnis

Introduction.- Sofic and hyperlinear groups.- Connes' embedding conjecture.- Conclusions.

Details
Erscheinungsjahr: 2015
Fachbereich: Arithmetik & Algebra
Genre: Mathematik, Medizin, Naturwissenschaften, Technik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Inhalt: viii
151 S.
ISBN-13: 9783319193328
ISBN-10: 3319193325
Sprache: Englisch
Herstellernummer: 978-3-319-19332-8
Einband: Kartoniert / Broschiert
Autor: Capraro, Valerio
Lupini, Martino
Auflage: 1st edition 2015
Hersteller: Springer International Publishing
Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Maße: 235 x 155 x 10 mm
Von/Mit: Valerio Capraro (u. a.)
Erscheinungsdatum: 20.10.2015
Gewicht: 0,26 kg
Artikel-ID: 104710667
Zusammenfassung

Accessible to anyone with a graduate-level mathematical background

Includes many exercises to help the reader to learn quickly

Presents some outstanding open problems in group theory and operator algebras

Inhaltsverzeichnis

Introduction.- Sofic and hyperlinear groups.- Connes' embedding conjecture.- Conclusions.

Details
Erscheinungsjahr: 2015
Fachbereich: Arithmetik & Algebra
Genre: Mathematik, Medizin, Naturwissenschaften, Technik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Inhalt: viii
151 S.
ISBN-13: 9783319193328
ISBN-10: 3319193325
Sprache: Englisch
Herstellernummer: 978-3-319-19332-8
Einband: Kartoniert / Broschiert
Autor: Capraro, Valerio
Lupini, Martino
Auflage: 1st edition 2015
Hersteller: Springer International Publishing
Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Maße: 235 x 155 x 10 mm
Von/Mit: Valerio Capraro (u. a.)
Erscheinungsdatum: 20.10.2015
Gewicht: 0,26 kg
Artikel-ID: 104710667
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