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Pointwise Estimate for Linear Combinations of Bernstein–Kantorovich Operators

✍ Scribed by Shunsheng Guo; Lixia Liu; Qiulan Qi

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 115 KB
Volume: 265
Category: Article
ISSN: 0022-247X
DOI: 10.1006/jmaa.2001.7700

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✦ Synopsis

For linear combinations of Bernstein-Kantorovich operators K n r f x , we give an equivalent theorem with ω 2r ϕ λ f t . The theorem unites the corresponding results of classical and Ditzian-Totik moduli of smoothness.

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