When is hyponormality for 2-variable weighted shifts invariant under powers? (Q2909238)

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scientific article; zbMATH DE number 6074010
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When is hyponormality for 2-variable weighted shifts invariant under powers?
scientific article; zbMATH DE number 6074010

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    When is hyponormality for 2-variable weighted shifts invariant under powers? (English)
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    30 August 2012
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    generalized Hilbert matrix
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    jointly hyponormal pairs
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    subnormal
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