All extensions of C*r(Fn) are semi-invertible

Klaus Thomsen

doi:10.1007/s00208-008-0232-5

All extensions of C*_r(F_n) are semi-invertible

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

2 Citationer (Scopus)

Abstract

It is shown that an extension of the reduced group C ^*-algebra of a free group by the compact operators can be made asymptotically split by addition of another extension which admits a completely positive lifting.

Originalsprog	Engelsk
Tidsskrift	Mathematische Annalen
Vol/bind	342
Nummer	2
Sider (fra-til)	273-277
Antal sider	5
ISSN	0025-5831
DOI	https://doi.org/10.1007/s00208-008-0232-5
Status	Udgivet - 2008

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10.1007/s00208-008-0232-5

Citationsformater

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title = "All extensions of C*r(Fn) are semi-invertible",

abstract = "It is shown that an extension of the reduced group C *-algebra of a free group by the compact operators can be made asymptotically split by addition of another extension which admits a completely positive lifting.",

author = "Klaus Thomsen",

year = "2008",

doi = "10.1007/s00208-008-0232-5",

language = "English",

volume = "342",

pages = "273--277",

journal = "Mathematische Annalen",

issn = "0025-5831",

publisher = "Springer",

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TY - JOUR

T1 - All extensions of C*r(Fn) are semi-invertible

AU - Thomsen, Klaus

PY - 2008

Y1 - 2008

N2 - It is shown that an extension of the reduced group C *-algebra of a free group by the compact operators can be made asymptotically split by addition of another extension which admits a completely positive lifting.

AB - It is shown that an extension of the reduced group C *-algebra of a free group by the compact operators can be made asymptotically split by addition of another extension which admits a completely positive lifting.

U2 - 10.1007/s00208-008-0232-5

DO - 10.1007/s00208-008-0232-5

M3 - Journal article

SN - 0025-5831

VL - 342

SP - 273

EP - 277

JO - Mathematische Annalen

JF - Mathematische Annalen

IS - 2

ER -

All extensions of C*r(Fn) are semi-invertible

Abstract

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Citationsformater

All extensions of C*_r(F_n) are semi-invertible