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Media type:
E-Article
Title:
Mixed Norm $n$-Widths
Contributor:
de Boor, C.;
Devore, R.;
Höllig, K.
Published:
American Mathematical Society, 1980
Published in:
Proceedings of the American Mathematical Society, 80 (1980) 4, Seite 577-583
Language:
English
ISSN:
0002-9939;
1088-6826
Origination:
Footnote:
Description:
Recently, the Soviet mathematicians R. Ismagilov [4], E. Gluskin [3] and B. Kashin [5] have obtained some deep and surprising results on $n$-widths for Sobolev spaces in the mixed norm case. In this note, we will give a new and simpler proof of Gluskin's result and show its connection with a certain classical combinatorial problem.