On extremal subspaces for classes of functions defined by kernels that do not increase oscillation
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Publication:1275972
zbMath0913.41017MaRDI QIDQ1275972
Publication date: 14 January 1999
Published in: Moscow University Mathematics Bulletin (Search for Journal in Brave)
Approximation by other special function classes (41A30) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)
Related Items (3)
Sharp constants for approximations of convolution classes with an integrable kernel by spaces of shifts ⋮ Sharp inequalities for approximations of classes of periodic convolutions by odd-dimensional subspaces of shifts ⋮ Classes of convolutions with a singular family of kernels: Sharp constants for approximation by spaces of shifts
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