Abstract
In this paper we give direct, inverse, and equivalence approximation theorems with unified Ditzian–Totik modulus (0 ≤ λ ≤ 1) for Meyer–König and Zeller operators.
ACKNOWLEDGMENT
Supported by NSF of China(10571040), NSF of Hebei Province (A2004000137), NSF of Hebei Province (08M001) and Doctorial Fund of Education Department of Hebei Province (B2004118).