Pointwise approximation by elementary complete contractions

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dc.creatorMagajna, Bojan
dc.date2009-02-02
dc.date.accessioned2026-07-07T12:36:59Z
dc.date.available2026-07-07T12:36:59Z
dc.descriptionA complete contraction on a C*-algebra A, which preserves all closed two sided ideals J, can be approximated pointwise by elementary complete contractions if and only if the induced map on the tensor product of B with A/J is contractive for every C*-algebra B, ideal J in A and C*-tensor norm on the tensor product. A lifting obstruction for such an approximation is also obtained.
dc.description11 pages, to appear in PAMS
dc.identifierhttps://arxiv.org/abs/0902.0277
dc.identifierhttp://arxiv.org/abs/0902.0277
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218283
dc.subjectOperator Algebras
dc.subjectFunctional Analysis
dc.subject46L06, 46L07, 47B47
dc.titlePointwise approximation by elementary complete contractions
dc.typetext

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