Full length article: Widths of embeddings of 2-microlocal Besov spaces

Authors:
Shun Zhang;Gensun Fang
Affiliations:
-;-
Venue:
Journal of Approximation Theory
Year:
2014

Citing 11
Cited 0

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Abstract

We consider the asymptotic behavior of the approximation, Gelfand and Kolmogorov numbers of compact embeddings between 2-microlocal Besov spaces with weights defined in terms of the distance to a d-set U@?R^n. The sharp estimates are shown in most cases, where the quasi-Banach setting is included.