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zbMath0673.46006MaRDI QIDQ3827069

Grzegorz Lewicki

Publication date: 1988

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

projections best approximations Bernstein's theorem

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Geometry and structure of normed linear spaces (46B20)

Related Items (4)

Bernstein's lethargy theorem in Fréchet spaces ⋮ Approximation schemes satisfying Shapiro's theorem ⋮ Subspace condition for Bernstein's lethargy theorem ⋮ Bernstein's ``Lethargy theorem in metrizable topological linear spaces

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