On a theorem of Ky Fan
Fernando Cobos (1988)
Colloquium Mathematicae
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Displaying similar documents to “Approximation relative to an ultra function”
On a theorem of Ky Fan
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On an approximation of function and its derivatives.
J. Prasad (1972)
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An extension of approximation theorems
Jiři Močkoř (1975)
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Vugar E. Ismailov (2007)
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The approximation in the uniform norm of a continuous function f(x) = f(x₁,...,xₙ) by continuous sums g₁(h₁(x)) + g₂(h₂(x)), where the functions h₁ and h₂ are fixed, is considered. A Chebyshev type criterion for best approximation is established in terms of paths with respect to the functions h₁ and h₂.
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Approximation of functions possessing derivatives of positive orders
R. Taberski (1977)
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