Extremal properties of certain trigonometric functions and Chebyshev polynomials (Q881106)

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scientific article; zbMATH DE number 5155532
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Extremal properties of certain trigonometric functions and Chebyshev polynomials
scientific article; zbMATH DE number 5155532

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    Extremal properties of certain trigonometric functions and Chebyshev polynomials (English)
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    21 May 2007
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    The object of this paper can be read plainly in the abstract as follows: ``For a wide class of symmetric trigonometric polynomials, the minimal deviation property is established. As a corollary, the extremal property is proved for the components of the Chebyshev polynomial mappings corresponding to symmetric algebras \(A_\alpha\).''
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    Chebyshev and trigonometric polynomials
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    minimal deviation property
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    symmetric algebras
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    complex Lie algebra
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