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Basic properties of the problem of the best simultaneous approximation of several elements

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Abstract

For the problem of the best approximation of several elements with respect to the maximum of convex-concave fractional functions with additional restrictions, we establish duality relations and criteria for the element of the best approximation.

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References

  1. N. P. Komeichuk,Extremal Problems in the Theory of Approximation [in Russian], Nauka, Moscow (1976).

    Google Scholar 

  2. V. M. Tikhomirov,Some Problems in the Theory of Approximation [in Russian], Moscow University, Moscow (1976).

    Google Scholar 

  3. P.-J. Laurent,Approximation et Optimisation [Russian translation], Mir, Moscow (1975).

    Google Scholar 

  4. L. Collatz and W. Krabs,Approximationstheorie. Tschebyscheffsche Approximation mit Anwendungen, B. G. Teubner, Stuttgart (1973).

    MATH  Google Scholar 

  5. B. N. Pshenichnyi,Necessary Conditions of Extrenum [in Russian], Nauka, Moscow (1982).

    Google Scholar 

  6. V. O. Gnatyuk, V. V. Moiko, and Yu. V. Gnatyuk, “Basic properties of the problem of best approximation with respect to a fractional function,”Vestn. Kiev. Univ. Fiz.-Mat., Issue 2, 26–31 (1991).

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  7. A. D. Ioffe and V. M. Tikhomirov,Theory of Extremal Problems [in Russian], Nauka, Moscow (1974).

    Google Scholar 

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Kamenets-Podol'skii Pedagogical Institute, Kamenets-Podol'sk. Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 48, No. 9, pp. 1183–1193, September, 1996.

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Gnatyuk, Y.V. Basic properties of the problem of the best simultaneous approximation of several elements. Ukr Math J 48, 1341–1352 (1996). https://doi.org/10.1007/BF02595356

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  • DOI: https://doi.org/10.1007/BF02595356

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