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Weak positive matrices and hyponormal weighted shifts - MaRDI portal

Weak positive matrices and hyponormal weighted shifts (Q5137842)

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scientific article; zbMATH DE number 7281251
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English
Weak positive matrices and hyponormal weighted shifts
scientific article; zbMATH DE number 7281251

    Statements

    title
    Weak positive matrices and hyponormal weighted shifts (English)
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    author
    Hamza El Azhar
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    Kaissar Idrissi
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    El Hassan Zerouali
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    publication date
    2 December 2020
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    zbMATH Keywords
    subnormal operators
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    \(k\)-hyponormal operators
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    \(k\)-positive matrices
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    weighted shifts
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    perturbation
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    moment problem
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    Identifiers

    DOI
    10.13108/2019-11-3-88
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    zbMATH DE Number
    7281251
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    OpenAlex ID
    W3020654534
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    arXiv ID
    1811.05744
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