Vol. 51 No. 11 (1999)

Published: 25.11.1999

Research articles

Parametrix method for a parabolic equation on a Riemannian manifold

V. G. Bondarenko

1443–1448
- PDF (Russian)
- Springer
On the boundedness of the total variation of the logarithm of a Blaschke product

Ya. V. Kondratyuk

1449–1455
- PDF (Ukrainian)
- Springer
On the best approximation of classes $W^r H^{ω}$ by algebraic polynomials in the space $L_1$

A. M. Kogan

1456-1466
- PDF (Russian)
- Springer
A singularly perturbed spectral problem for a biharmonic operator with Neumann conditions

A. S. Lavrent'ev

1467–1475
- PDF (Ukrainian)
- Springer
Stability analysis with respect to two measures of impulsive systems under structural perturbations

A. A. Martynyuk, I. P. Stavroulakis

1476–1484
- PDF
- Springer
On convergence classes of Dirichlet series

O. M. Mulyava

1485–1494
- PDF (Ukrainian)
- Springer
Approximation of one class of differentiable functions by piecewise-HermitianL-splines

S. I. Novikov

1495–1504
- PDF (Russian)
- Springer
Approximation of continuous functions defined on the real axis by generalized Zygmund operators

О. V. Ostrovskaya

1505–1512
- PDF (Ukrainian)
- Springer
Investigation of invariant deformations of integral manifolds of adiabatically perturbed completely integrable Hamiltonian systems. II

Ya. A. Prykarpatsky, A. M. Samoilenko

1513–1528
- PDF (Ukrainian)
- Springer
Almost layer finiteness of a periodic group without involutions

V. I. Senashov

1529–1533
- PDF (Russian)
- Springer
A priori estimates of solutions of linear parabolic problems with coefficients from Sobolev spaces

I. B. Romanenko, I. V. Skrypnik

1534–1548
- PDF (Ukrainian)
- Springer
Approximation of locally integrable functions on the real line

O. I. Stepanets, Kunyang Wang, Xirong Zhang

1549–1561
- PDF
- Springer

Short communications

On the existence of solutions for a differential inclusion of fractional order with upper-semicontinuous right-hand side

A. N. Vityuk

1562–1565
- PDF (Ukrainian)
- Springer
Quasiconformal mappings and radii of normal systems of neighborhoods

A. L. Gol'berg

1566–1568
- PDF (Ukrainian)
- Springer
On synchronization of symmetrically perturbed systems with quadratic nonlinearity

V. A. Dobrynskii

1569–1573
- PDF (Russian)
- Springer
On a smooth solution of a nonlinear periodic boundary-value problem

V. A. Dobrynskii

1574–1576
- PDF (Ukrainian)
- Springer
On the extension of even-positive-definite functions of one and two variables

O. V. Lopotko

1577–1581
- PDF (Russian)
- Springer
Differentiability of integrals of real functions with respect to $L_0$ -valued measures

V. N. Radchenko

1582-1585
- PDF (Russian)
- Springer

Vol. 51 No. 11 (1999)

Research articles

Parametrix method for a parabolic equation on a Riemannian manifold

On the boundedness of the total variation of the logarithm of a Blaschke product

On the best approximation of classes $W^r H^{ω}$ by algebraic polynomials in the space $L_1$

A singularly perturbed spectral problem for a biharmonic operator with Neumann conditions

Stability analysis with respect to two measures of impulsive systems under structural perturbations

On convergence classes of Dirichlet series

Approximation of one class of differentiable functions by piecewise-HermitianL-splines

Approximation of continuous functions defined on the real axis by generalized Zygmund operators

Investigation of invariant deformations of integral manifolds of adiabatically perturbed completely integrable Hamiltonian systems. II

Almost layer finiteness of a periodic group without involutions

A priori estimates of solutions of linear parabolic problems with coefficients from Sobolev spaces

Approximation of locally integrable functions on the real line

Short communications

On the existence of solutions for a differential inclusion of fractional order with upper-semicontinuous right-hand side

Quasiconformal mappings and radii of normal systems of neighborhoods

On synchronization of symmetrically perturbed systems with quadratic nonlinearity

On a smooth solution of a nonlinear periodic boundary-value problem

On the extension of even-positive-definite functions of one and two variables

Differentiability of integrals of real functions with respect to $L_0$ -valued measures

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