Elementary constructive approach to the higher-rank numerical ranges of unitary matrices

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dc.creatorKazakov, A. Ya.
dc.date2007-07-02
dc.date.accessioned2026-07-07T08:13:29Z
dc.date.available2026-07-07T08:13:29Z
dc.descriptionSome problems of the quantum error-correcting codes theory can be reduced to the investigation of the higher-rank numerical ranges of the operators related to the error operators. We constructively verify a conjecture on the structure of higher-rank numerical range for unitary matrices.
dc.description4 figures
dc.identifierhttps://arxiv.org/abs/0707.0170
dc.identifierhttp://arxiv.org/abs/0707.0170
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132784
dc.subjectQuantum Physics
dc.titleElementary constructive approach to the higher-rank numerical ranges of unitary matrices
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