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Approximation to linear functionals on H1by point evaluations

 

作者: S. J. Poreda,   D. E. Tepper,  

 

期刊: Numerical Functional Analysis and Optimization  （Taylor Available online 1979）
卷期: Volume 1, issue 3  

页码: 273-280

 

ISSN:0163-0563

 

年代: 1979

 

DOI:10.1080/01630567908816016

 

出版商: Marcel Dekker, Inc.

 

数据来源: Taylor

 

摘要:

The degree of approximation to a bounded linear functional on H1having a smooth kernel by finite sums of point evaluations is shown to depend on the smoothness of that kernel. Use is made of a Jackson-Bernstein type theorem concerning the approximation of continuous unimodular functions by finite Blaschke products.

 

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