Geometrical characterizations for nonlinear uniform approximation

DOI10.1016/0021-9045(74)90018-5zbMath0288.41017OpenAlexW2057170935MaRDI QIDQ1846574

Dietrich Braess

Publication date: 1974

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(74)90018-5

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50)

Related Items (14)

Chebyshev approximation by products ⋮ Characterisations of Chebyshev sets in \(c_{0}\) ⋮ Connectedness and other geometric properties of suns and Chebyshev sets ⋮ Smoothness of subspace sections of the unit balls of \(C(Q)\) and \(L^1\) ⋮ Weighted Chebyshev approximation on a compact Hausdorff space ⋮ Non-strong uniqueness in real and complex Chebyshev approximation ⋮ An example of a disconnected sun in a Banach space ⋮ Characterizations of local best Chebyshev approximations ⋮ An example of non-approximatively-compact existence set with finite-valued metric projection ⋮ Nonlinear Chebyshev approximation to set-valued functions ⋮ Chebyshev approximation by rationals with constrained denominators ⋮ The geometric structure of Chebyshev sets in \(\ell^\infty(n)\) ⋮ Approximation in normed linear spaces ⋮ Die Metrische Struktur der Sonnen in \(l_{\infty}(n)\)

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