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

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    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.
    OriginalsprogEngelsk
    TidsskriftMathematische Annalen
    Vol/bind342
    Nummer2
    Sider (fra-til)273-277
    Antal sider5
    ISSN0025-5831
    DOI
    StatusUdgivet - 2008

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