Note on the Curvature and Index of Almost Unitary Contraction Operator

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dc.creatorLevy, R. N.
dc.date2000-07-28
dc.date2000-12-04
dc.date.accessioned2026-07-07T04:36:34Z
dc.date.available2026-07-07T04:36:34Z
dc.descriptionIn the recent preprint (OA/0006224) S. Parrott proved the equality between the Arveson`s curvature and the Fredholm index of a "pure" contraction with finite defect numbers. In the present note one derives a similar formula in the "non-pure" case.
dc.description3 pages
dc.identifierhttps://arxiv.org/abs/math/0007178
dc.identifierhttp://arxiv.org/abs/math/0007178
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/59640
dc.subjectFunctional Analysis
dc.subjectOperator Algebras
dc.subject47A53; 47A20
dc.titleNote on the Curvature and Index of Almost Unitary Contraction Operator
dc.typetext

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