Pointwise Estimate for Szasz-Type Operators

Author： Guo S.   Li C.   Sun Y.   Yang G.   Ditzian S.Z.  

Publisher： Academic Press

ISSN： 0021-9045

Source： Journal of Approximation Theory, Vol.94, Iss.1, 1998-07, pp. : 160-171

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Abstract

For combinations of modified Szasz operators D. X. Zhou gave two equivalent relations by means of the classical modulus. In this paper we extend these results by the Ditzian–Totik modulus of smoothness. Copyright 1998 Academic Press.

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