Volume 42; Issue 3

Ukrainian Mathematical Journal

Volume 42; Issue 3

1

The ideas of Krylov and Bogolyubov in the theory of differential equations and mathematical physics and their development

Yu. A. Mitropol'skii

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 1.01 MB

english, 1990

2

Groups in which all not completely factorable subgroups have a primary supplement

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 434 KB

english, 1990

3

Linear programming over ordered bodies

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 338 KB

english, 1990

4

Factorization of transfer functions. I. (+).regular factorization

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 292 KB

english, 1990

5

Extremal lengths and green capacities of condensers

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 436 KB

english, 1990

6

Bases of exponentials in the spaces Ep(Dn) on a poly-polygon and the representation of the functions from this class in the form of sums of periodic functions

G. I. Ibragimov

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 527 KB

english, 1990

7

Mixed products of multiplicative systems without discontinuities of the second kind

M. Yu. Kozachenko

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 432 KB

english, 1990

8

Metrizability in a space of subgroups of a Lie group

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 370 KB

english, 1990

9

Nonlinear Schrödinger equation on a semi-axis and an inverse problem associated with it

A. L. Sakhnovich

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 505 KB

english, 1990

10

Growth of horizontal rays of analytic functions represented by Dirichlet series

O. B. Skaskiv, V. M. Sorokivskii

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 506 KB

english, 1990

11

A certain functional algebra

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 346 KB

english, 1990

12

Impulse systems with fixed moments of shocks of general position: The structure of the set of moments of the shocks

E. P. Trofimchuk, S. I. Trofimchuk

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 475 KB

english, 1990

13

A linear interpretation of the flag geometries of Chevalley groups

V. A. Ustimenko

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 328 KB

english, 1990

14

An implicit canonical equation in Hilbert space

S. G. Krein, E. O. Utochkina

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 229 KB

english, 1990

15

A lower estimate of the sum of the capacities of condensers

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 204 KB

english, 1990

16

Analyticity with respect to a parameter of regular solutions of weakly nonlinear singularly perturbed problems

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 363 KB

english, 1990

17

Infinite-dimensional equations with the Lévy Laplacian and some variational problems

V. B. Sokolovskii

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 240 KB

english, 1990

18

Exponential stability of an invariant torus of a nonlinear countable system of differential equations

Yu. V. Teplinskii, P. I. Avdeyuk

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 254 KB

english, 1990

19

Approximation of weakly differentiable periodic functions

D. N. Bushev, A. I. Stepanets

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 336 KB

english, 1990

20

Inverse problem of the calculus of variation, its application to integration of an ordinary non-linear second order differential equation

M. M. Kabal'skii

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 312 KB

english, 1990

21

Isomorphisms of Sylow p-subgroups of the restricted linear group II. Main theorem

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 252 KB

english, 1990

22

Self-adjointness of a certain integrodifferential operator

I. A. Lukovskii, A. N. Timokha

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 115 KB

english, 1990

23

Topological classification of nonhomogeneous differential equations

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 210 KB

english, 1990

24

Infinitesimal algebras for the hypercomplex system SO(4)//SO(2)

G. B. Podkolzin

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 241 KB

english, 1990

25

Locally nilpotent groups with the min−∞−ncondition

L. A. Kurdachenko

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 505 KB

english, 1990

26

Coisotropic invariant tori of hamiltonian systems of the quasiclassical theory of motion of a conduction electron

Journal:

Ukrainian Mathematical Journal

Year:

1990

Language:

english

File:

PDF, 346 KB

english, 1990