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Approximation by Nörlund operators. (English) Zbl 0655.42002

Summary: Let f be a \(2\pi\)-periodic continuous function. One of the objects of this paper is to obtain the degree of approximation for the class \(L_ p\) \((p>1)\) by using the integral modulus of continuity \(\omega_ p(t;f)\) of f.

MSC:

42A10 Trigonometric approximation
41A36 Approximation by positive operators
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