Abstract：Let f(x)∈C[-1, 1], g(θ)=f(cosθ), α>2 be a real number. We cosider the positive linear interpolation operatorsWhere x_k=cos(2k-1/2n)(k=1, 2, …, n),In this paper we prove the following Theorem. Let ω(ι) be a function of continuos norm. Then. if and o
1987, Vol. 9 