Crouzeix's conjecture and related problems (Q2228045)

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scientific article; zbMATH DE number 7311218
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English
Crouzeix's conjecture and related problems
scientific article; zbMATH DE number 7311218

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    Crouzeix's conjecture and related problems (English)
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    16 February 2021
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    Crouzeix's conjecture
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    numerical range
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    numerical radius
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    shift operator
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    Blaschke products
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    Nevanlinna-Pick interpolation
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