Sharp upper and lower estimates for the approximation of bivariate functions by sums of univariate functions

Author:

Ismayilov Muhammad

Publisher

Springer Science and Business Media LLC

Reference23 articles.

1. Arnold, V.I. On functions of three variables, Dokl. Akad. Nauk. SSSR, 114 (1957),679-681

2. English Transactions of the American Mathematical Society 28(1963),51-54.

3. Babaev, M.-B..A. 1972. On sharp estimates for the approximation of functions of several variables by sums of functions of fewer variables. Matematicheskie zametki 12: 105–114.

4. Babaev, M.-B.A., and Ismailov, V.E. 1997. Two-sided estimates for the best approximation in domains different from the parallelepiped. Functiones Et Approximatio 25: 121–128.

5. Bank, R.E. 1979. An automatic scaling procedure for a D’Yakanov-Cunn iteration scheme. Linear Algebra and its Applications 28: 17–33.

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