Vol. 40 No. 5 (1988)

Research articles

The Fourier sums: new results and unsolved problems

A. I. Stepanets

547-562
- PDF (Russian)
Approximation of functions by analytical complex splines in the regions with quasi-conformal boundary

V. I. Bely, I. V. Strelkovskaya

563-568
- PDF (Russian)
On saturation classes of linear methods of the Fourier series summation

V. T. Gavrilyuk

569-576
- PDF (Russian)
Necessary and sufficient condition of isomorphism for multiplicative and additive systems without continuity condition with the accuracy up to grinding divisions

M. Yu. Kozachenko

576-583
- PDF (Russian)
Direct theorems of approximation for the functions regular in convex polygon by exponential polynomials in the integral metrics

Yu. I. Melnik

584-591
- PDF (Russian)
Action of random forces on gyroscopic systems

Yu. A. Mitropolsky, F. U. Nosirov

592-599
- PDF (Russian)
Multiple minimality of the root vectors of polynomial operators bunch, perturbed by analytical operator-function $S (\lambda)$ с $S (\infty) = 0$ outside the circle

G. V. Radzievsky

599-610
- PDF (Russian)
Multidimensional contour-body theorems

P. M. Tamrazov

610-619
- PDF (Russian)
Concerning two approximate methods for solution of the Neumann nonlinear problems

Fam Ki An

619-625
- PDF (Russian)

Short communications

On one integral representation of the Hermitian positive matrix kernels of special structure

M. B. Bekker

626-628
- PDF (Russian)
Behaviour on the infinity of the solution of the differential-operator first order equation in the Banach space

V. M. Gorbachuk

629-631
- PDF (Russian)
On hypercentral expansions of the Abelian Groups

О. I. Zaitsev, V. A. Maznichenko

632-635
- PDF (Russian)
Integration of the Kolmogorov-Fokker-Planck equation by generalized separation of arguments

V. G. Kolomiets, A. V. Rybachok

635-639
- PDF (Russian)
On connection of states of the von Neumann algebras

N. V. Kravchuk

640-642
- PDF (Russian)
Asymptotic splitting of systems of the second order differential equations with slowly varying and oscillating coefficients

N. G. Kuzma

642-644
- PDF (Russian)
On convergence of conditional means in the norm of BMO space

M. B. Leibov

644-647
- PDF (Russian)
On $J$ -property of the Jordanian arcs

V. V. Maimeskul

647-649
- PDF (Russian)
A note on the central limiting theorem in the Banach space

I. K. Matsak

649-651
- PDF (Russian)
Restrictions on the decrease rate of elliptical equations solutions in non-restricted domains

V. Z. Meshkov

652-654
- PDF (Russian)
On the Suslin number of the spaces of subgroups of the locally compact group

I. V. Protasov

654-658
- PDF (Russian)
Differentiation of operator-value dimension in the Banach equipment

V. V. Skrichevsky

658-662
- PDF (Russian)
An analogue of one Han’s theorem for infinite products

K. M. Slepenchuk

662-665
- PDF (Russian)
On the Borelian measures in the $R^{\alpha}$ space

A. B. Kharazishvili

665-668
- PDF (Russian)
Infinite locally finite simple groups with a nontrivial kernel of a centralizer of the elementary Abelian 2-subgroup

N. S. Chernikov

668-670
- PDF (Russian)

Chronicles

On the defences theses for a Doctor’s degree at the specialized council at the institute of mathematics of the Ukr.SSR Academy of sciences in 1987—1988

671-675
- PDF (Russian)

Research articles

The Fourier sums: new results and unsolved problems

Approximation of functions by analytical complex splines in the regions with quasi-conformal boundary

On saturation classes of linear methods of the Fourier series summation

Necessary and sufficient condition of isomorphism for multiplicative and additive systems without continuity condition with the accuracy up to grinding divisions

Direct theorems of approximation for the functions regular in convex polygon by exponential polynomials in the integral metrics

Action of random forces on gyroscopic systems

Multiple minimality of the root vectors of polynomial operators bunch, perturbed by analytical operator-function $S (\lambda)$ с $S (\infty) = 0$ outside the circle

Multidimensional contour-body theorems

Concerning two approximate methods for solution of the Neumann nonlinear problems

Short communications

On one integral representation of the Hermitian positive matrix kernels of special structure

Behaviour on the infinity of the solution of the differential-operator first order equation in the Banach space

On hypercentral expansions of the Abelian Groups

Integration of the Kolmogorov-Fokker-Planck equation by generalized separation of arguments

On connection of states of the von Neumann algebras

Asymptotic splitting of systems of the second order differential equations with slowly varying and oscillating coefficients

On convergence of conditional means in the norm of BMO space

On $J$ -property of the Jordanian arcs

A note on the central limiting theorem in the Banach space

Restrictions on the decrease rate of elliptical equations solutions in non-restricted domains

On the Suslin number of the spaces of subgroups of the locally compact group

Differentiation of operator-value dimension in the Banach equipment

An analogue of one Han’s theorem for infinite products

On the Borelian measures in the $R^{\alpha}$ space

Infinite locally finite simple groups with a nontrivial kernel of a centralizer of the elementary Abelian 2-subgroup

Chronicles

On the defences theses for a Doctor’s degree at the specialized council at the institute of mathematics of the Ukr.SSR Academy of sciences in 1987—1988

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