Widths of embeddings of 2-microlocal Besov spaces
- Autores: Shun Zhang, Gensun Fang
- Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 179, Nº 1, 2014, págs. 33-62
- Idioma: inglés
- DOI: 10.1016/j.jat.2013.11.005
- Enlaces
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Resumen
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 �¼ Rn. The sharp estimates are shown in most cases, where the quasi-Banach setting is included.
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