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Coconvex Pointwise Approximation

โœ Scribed by G. A. Dzyubenko; J. Gilewicz; I. A. Shevchuk


Book ID
110437065
Publisher
Springer
Year
2002
Tongue
English
Weight
168 KB
Volume
54
Category
Article
ISSN
0041-5995

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Let f 2 Cยฝร€1; 1 change its convexity finitely many times, in the interval. We are interested in estimating the degree of approximation of f by polynomials which are coconvex with it, namely, polynomials that change their convexity exactly at the points where f does. We discuss some Jackson-type esti

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