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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P. L. Papini (1987)
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On an approximation of function and its derivatives.
J. Prasad (1972)
Publications de l'Institut Mathématique [Elektronische Ressource]
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An extension of approximation theorems
Jiři Močkoř (1975)
Colloquium Mathematicae
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On -best approximation in topological spaces
Tulsi Dass Narang (1985)
Archivum Mathematicum
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On the approximation by compositions of fixed multivariate functions with univariate functions
Vugar E. Ismailov (2007)
Studia Mathematica
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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.
Simultaneous approximation to a real number and to its cube by rational numbers
Stéphane Lozier, Damien Roy (2012)
Acta Arithmetica
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