An Example on Strong Unicity Constants in Trigonometric Approximation

DOI10.2307/2043813zbMath0491.42001OpenAlexW4238151119MaRDI QIDQ3952586

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Publication date: 1982

Full work available at URL: https://doi.org/10.2307/2043813

zbMATH Keywords

trigonometric polynomialsalgebraic polynomialsstrong unicity constantSchmidt's theorem

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10)

Cites Work

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• On an unboundedness conjecture for strong unicity constants
• Lipschitz conditions on uniform approximation operators
• Counterexamples in Best Approximation
• Sur un polynôme d'interpolation
• Lipschitz and strong unicity constants for changing dimension

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