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
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Additional information
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