Abstract
In this paper, we will use the 2r-th Ditzian-Totik modulus of smoothness ω 2rϕ (f,t) p to discuss the direct and inverse theorem of approximation by Left-Bernstein-Durrmeyer quasi-interpolants M [2r−1]n f for functions of the space Lp[0,1] (1≤p≤+∞).
Published Version
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