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Differentiability of functions in the Zygmund class
Differentiability of functions Zygmund class
2011/2/21
Given two parameters b > 1 and 0 < 1, in 1876, Weierstrass considered the functions given by the series X1 n=0 bn cos(2bnx); x 2 R;and proved that they are continuous and nowhere di er...