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Jolissaint, Paul

Nom
Jolissaint, Paul
Affiliation principale
Email
paul.jolissaint@unine.ch
Identifiants
https://libra.unine.ch/handle/123456789/460

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  • Publication
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    Haagerup approximation property for finite von Neumann algebras
    (2002)
    Jolissaint, Paul 
    We study finite von Neumann algebras M that admit an approximate identity made with completely positive normal maps whose extention to L-2(M) are compact operators. We prove heredity results, and we state sufficient conditions on actions of countable groups to ensure that the crossed product algebras have the same property.