Volume 42; Issue 1

Ukrainian Mathematical Journal

Volume 42; Issue 1

1

Development of studies on the exact solution of extremal problems of the theory of best approximation

V. F. Babenko, A. A. Ligun

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 1.15 MB

english, 1990

2

Investigation of the optimization of quadrature formulas by Dnepropetrovsk mathematicians

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 1.20 MB

english, 1990

3

Studies on extremal problems of spline-approximation

V. L. Velikin, N. A. Nazarenko

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 1.70 MB

english, 1990

4

Symptotic behavior of the best uniform approximations of individual functions by splines

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 342 KB

english, 1990

5

Moduli of families of surfaces and the Green capacity of condensers

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 379 KB

english, 1990

6

Constructive description of classes of harmonic functions with singularities on continua without zero exterior angles

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 337 KB

english, 1990

7

Best constants for approximations of periodic functions by Fejér operators

V. T. Martynyuk

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 394 KB

english, 1990

8

Equivalence of the derived chains corresponding to a boundary-value problem on a finite interval, for polynomial operator pencils

G. V. Radzievskii

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 766 KB

english, 1990

9

Optimization of adaptive direct methods for the solution of operator equations in Hilbert space

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 447 KB

english, 1990

10

Classes of functions defined on the real line and their approximation by entire functions. I

A. I. Stepanets

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 688 KB

english, 1990

11

Entropy of the space of twice smooth curves in the Hausdorff metric

N. V. Shcherbina

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 502 KB

english, 1990

12

Exact asymptotic for the remainder of Hermite's quadrature formula for function classes Wp2

E. E. Dunaichuk

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 238 KB

english, 1990

13

Jung's relative constant of the space Lp

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 198 KB

english, 1990

14

Solution of a multipoint boundary-value problem for a system of linear ordinary differential equations with holomorphic coefficients

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 181 KB

english, 1990

15

Spectral expansions of some representations of Lie groups

N. Ya. Vilenkin, A. U. Klimyk

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 298 KB

english, 1990

16

The Goursat problem with integral boundary conditions

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 267 KB

english, 1990

17

Abelian groups whose ɛ-pure subgroups are m-complemented

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 379 KB

english, 1990

18

Groups admitting a characterization of the Gaussian distribution by the equidistribution of a monomial and linear statistics

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 301 KB

english, 1990