The unit ball of \({\mathcal P}(^2\ell_2^2)\) (Q1289273)
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scientific article; zbMATH DE number 1292438
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The unit ball of \({\mathcal P}(^2\ell_2^2)\) |
scientific article; zbMATH DE number 1292438 |
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The unit ball of \({\mathcal P}(^2\ell_2^2)\) (English)
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23 May 2000
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Extreme points and smooth points of the unit ball of \(P(^2 \ell_2 ^2)\) are characterised. Also, a formula is given for the norm of a 2-homogeneous polynomial on \(\ell_\infty ^2\).
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extreme points
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smooth points
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unit ball
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