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Information × Registration Number 0211U000077, 0110U003302 , R & D reports Title Investigations of approximative characteristics of the classes of functions given on real axis popup.stage_title Head Shidlich Andriy Lyubomyrovych, Доктор фізико-математичних наук Registration Date 13-01-2011 Organization Institute of mathematics NAS of Ukraine popup.description2 The main direction of the research of the project are important topics of approximation theory of functions, given on the real axis. This theory developed by Berstein, Akhiezer, Krein, Nikol'skii, Stepanets, Timan. In this direction, we obtain, in particular, the asymptotic estimates of the best approximations in L_1 metric of classes of Poisson integrals of functions from H_omega_1 and we find the best linear approximation method for these classes; we also obtain conditions for validity some Chebyshev-type eniqualities, etc. Product Description popup.authors Соколенко Ігор Володимирович popup.nrat_date 2020-04-02 Close