Geodesic
Extremal Properties of Certain Trigonometric Functions and Chebyshev Polynomials
Matematičeskie zametki, Tome 80 (2006) no. 3, pp. 350-355

Voir la notice de l'article provenant de la source Math-Net.Ru

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 $A_\alpha$.
Keywords: Chebyshev and trigonometric polynomials, minimal deviation property, symmetric algebras, complex Lie algebra. 
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     author = {I. V. Belyakov},
     title = {Extremal {Properties} of {Certain} {Trigonometric} {Functions} and {Chebyshev} {Polynomials}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {350--355},
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     volume = {80},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_3_a3/}
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I. V. Belyakov. Extremal Properties of Certain Trigonometric Functions and Chebyshev Polynomials. Matematičeskie zametki, Tome 80 (2006) no. 3, pp. 350-355. http://geodesic.mathdoc.fr/item/MZM_2006_80_3_a3/