Invalidity of the elements of best approximation and a theorem of Glaeser

DOI10.1007/BF01085888zbMath0564.41012MaRDI QIDQ1058083

S. A. Pichugov, Michael I. Ganzburg

Publication date: 1982

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

Banach space

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Related Items

On Polynomials of Least Deviation from Zero in Several Variables, Best approximation and fixed points for rational-type contraction mappings

Cites Work

• Fonctions composees différentiables
• Smooth functions invariant under the action of a compact Lie group
• Differentiable invariants
• Approximation polynomiale de fonctions \(C^ \infty\) et analytiques
• Differentiable even functions
• Unnamed Item
• Unnamed Item