Open Access

Direct and converse theorems for King operators

   | Jul 16, 2020

Cite

[1] R. A. DeVore, G. G. Lorentz, Constructive Approximation, Springer, Berlin, 1993.10.1007/978-3-662-02888-9Search in Google Scholar

[2] Z. Ditzian, V. Totik, Moduli of Smoothness, Springer, New York, 1987.10.1007/978-1-4612-4778-4Search in Google Scholar

[3] J. P. King, Positive linear operators which preserve x2, Acta Math. Hungar., 99 (2003), 203–208.10.1023/A:1024571126455Search in Google Scholar

eISSN:
2066-7752
Language:
English
Publication timeframe:
2 times per year
Journal Subjects:
Mathematics, General Mathematics