On some approximation problems for complex polynomials

DOI10.1007/BF02075452zbMath0645.41021OpenAlexW1978274577MaRDI QIDQ1103137

Roland W. Freund

Publication date: 1988

Published in: Constructive Approximation (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/218021

Mathematics Subject Classification ID

Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.) (33C45) Best approximation, Chebyshev systems (41A50) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by polynomials (41A10)

Related Items (4)

Ranges of polynomials with curved majorants ⋮ Explicit generalized Zolotarev polynomials with complex coefficients ⋮ A complex extremal problem of Chebyshev type ⋮ On two complex Zolotarev's first problems

Cites Work

• On a class of Chebyshev approximation problems which arise in connection with a conjugate gradient type method
• On a problem of Chebyshev and Markov
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