A. Zygmund, "Contributions To Fourier Analysis"
Zygmund Press (March 15, 2007) | ISBN:1406760439 | 200 pages | PDF | 6,4 Mb
In the theory of convergence and summability whether for ordinary Fourier series or other expansions emphasis is placed on the phenomenon of localization whenever such occurs, and in the present paper a certain aspect of this phenomenon will be studied for the problem of best approximation as well.
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