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On the Problem of R. De Vore
Published online by Cambridge University Press: 20 November 2018
Extract
Let f∈Lp (1≤p<∞) 2π-periodic,
(1)
and let us consider the rth order moduli of continuity of f
(2)
R. de Vore stated the following conjectures:
(a) Let ηv→0 decreasingly,
(3)
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- Copyright © Canadian Mathematical Society 1974
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