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We find the exact order of the entropy numbers and the Kolmogorov widths of a class of functions defined by a condition on the uniform norm of blocks of the… Click to show full abstract
We find the exact order of the entropy numbers and the Kolmogorov widths of a class of functions defined by a condition on the uniform norm of blocks of the Fourier series taken over a lacunar sequence of indices. This result generalizes a result by B. S. Kashin and V. N. Temlyakov.
Keywords:
characteristics classes;
functions small;
small smoothness;
classes functions;
approximation characteristics
Journal Title: Siberian Mathematical Journal
Year Published: 2018
Link to full text (if available)
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Journal Title: Siberian Mathematical Journal
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!