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Estimates of the widths of classes of analytic functions

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Publication:808360
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DOI10.1007/BF01060633zbMath0732.41026MaRDI QIDQ808360

Alexander Kushpel

Publication date: 1989

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


zbMATH Keywords

analytic functionconvolutionsKolmogorov n-width


Mathematics Subject Classification ID

Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)


Related Items (5)

The radii of sections of origin-symmetric convex bodies and their applications ⋮ On the optimality of the trigonometric system ⋮ Generalised sk-spline interpolation on compact abelian groups ⋮ Lower bounds of cowidths and widths of multiplier operators ⋮ Optimal approximation on \(S^d\)



Cites Work

  • Über die beste Annäherung von Funktionen einer gegebenen Funktionenklasse
  • Unnamed Item


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