On the 80th birthday of Academician N. P. Korneichuk S. M. Nikol’skiiYu. A. Mitropol’skiiA. A. Ligun Announcement Pages: 1 - 2
On the results of N. P. Korneichuk obtained in 1990–1999 V. F. BabenkoA. A. LigunV. P. Motornyi OriginalPaper Pages: 3 - 7
Investigations of dnepropetrovsk mathematicians related to inequalities for derivatives of periodic functions and their applications V. F. Babenko OriginalPaper Pages: 8 - 28
On the uniqueness of an element of the best L 1-approximation for functions with values in a banach space V. F. BabenkoM. E. Gorbenko OriginalPaper Pages: 29 - 34
On the best approximation in the mean and overconvergence of a sequence of polynomials of the best approximation S. B. Vakarchuk OriginalPaper Pages: 35 - 47
Exact constants in inequalities of the jackson type for quadrature formulas V. G. DoroninA. A. Ligun OriginalPaper Pages: 48 - 54
On the best approximation of periodic functions of two variables by polynomial splines N. P. Korneichuk OriginalPaper Pages: 55 - 61
Inequalities for upper bounds of functionals on the classes w r H ω and their applications N. P. KorneichukV. F. BabenkoS. A. Pichugov OriginalPaper Pages: 71 - 90
On asymptotically exact estimates for the approximation of certain classes of functions by algebraic polynomials V. P. MotornyiO. V. Motornaya OriginalPaper Pages: 91 - 107
Optimal discretization of Ill-posed problems S. V. PereverzevS. G. Solodkii OriginalPaper Pages: 115 - 132
On the jackson theorem for periodic functions in spaces with integral metric S. A. Pichugov OriginalPaper Pages: 133 - 147
On lower bounds for the approximation of functions by local splines with nonfixed nodes A. A. Shumeiko OriginalPaper Pages: 148 - 160