Geodesic

Sommaire du Fascicule no. 1

Lie algebras of projective motions of $h$-spaces of Lorentz signature
p. 3-12
Locally finite groups with small normalizers.~II
p. 12-14
Practical stability of solutions of sampled-data systems
p. 14-25
A theorem of Phragm\'en--Lindel\"of type for solutions of a~linear differential equation in a~layer
p. 25-32
Sufficient collections for semigroups of operators
p. 33-35
Extremal perturbations of closed operators
p. 35-41
On the finiteness of the discrete spectrum of some matrix pseudodifferential operators
p. 42-50
A general boundary value problem for a~domain with noncompact boundary in weighted H\"older spaces
p. 51-60
The relationship between reducibilities of index sets
p. 60-69
Embedding theorems for vector-valued functions.~I
p. 70-79
Point $CH$-transformations
p. 79-86
The relationship between the information dimension and the Hausdorff dimension
p. 87-88

Sommaire du Fascicule no. 2

Some remarks on the index sets of canonical recursively enumerable families of finite sets
p. 3-6
Statistically reducible automata
p. 6-10
Reconstruction of linear functionals on classes of differentiable functions of two variables from some generalized information
p. 11-17
On the Fourier transform in nonstandard analysis
p. 17-25
Fourier coefficients
p. 25-28
Mean oscillations and the Hilbert transform
p. 28-41
Summation of some dependent random variables with values in locally compact abelian groups
p. 41-46
Embedding theorems for vector-valued functions.~II
p. 47-54
A problem for the generalized Boussinesq filtration equation
p. 55-61
Convergence of semidiscrete approximations in the sense of Galerkin for quasilinear parabolic equations
p. 62-67
Semimartingales: $L^2$-construction of distributions
p. 68-78
Approximate solution of systems of singular integral equations on some smooth contours in $L_p$ spaces
p. 79-82
Some applications of Boolean-valued models to the study of operators on semi-normed spaces
p. 82-84
Some sufficient conditions for the stability of the Bubnov--Galerkin method for nonlinear problems in a~uniform norm
p. 84-87
Letter to the editors

Sommaire du Fascicule no. 3

Independently given $m$-volumes in an $n$-space
p. 3-4
Group hierarchies in hierarchical packing constructions
p. 5-12
A problem on inequalities for derivatives on compact Riemannian symmetric spaces of rank~1
p. 12-18
Solutions of an operator power moment problem
p. 18-24
Isometries in the spaces $L_p(X;\,L_q)$ and equimeasurability
p. 25-33
Noether theory of the first boundary value problem for polyanalytic functions
p. 35-39
A problem of the optimal control of systems with distributed parameters with a~delay of neutral type
p. 40-43
Smoothness and approximation properties for solutions of a class of nonlinear equations of Schr\"odinger type
p. 44-48
A generalized Cauchy--Riemann system with nonsmooth coefficients
p. 48-56
Approximation of essentially continuous functions by singular integrals
p. 57-62
On the classification of Lyapunov-stable dynamical systems of perturbed motions
p. 63-69
A class of anti-invariant submanifolds in a~flat K\"ahlerian space
p. 69-73
Convergence of difference schemes for an equation of the dynamics of a~viscous stratified fluid
p. 74-76
Orbits and co-orbits of a positive interpolation for Banach ideal structures
p. 76-78
Well-posed multipoint problems in a~strip for differential equations with loads
p. 79-82
Nonlinear boundary equations of one-sided boundary value problems in the mechanics of the contact of elastic bodies
p. 82-85
Homogeneous spaces that are generated by a~group of non-Euclidean motions
p. 85-87

Sommaire du Fascicule no. 4

Admissible functionals in injectivity conditions for differentiable mappings of $n$-dimensional domains
p. 3-12
Fourth-order alternators of a~local analytic loop and three-webs of multidimensional surfaces
p. 12-16
Some classes of submanifolds of the pseudo-Euclidean space $E^{n+1}_{2(n+1)}$
p. 17-21
Estimates for boundary values of Schwarz integrals of singular measures
p. 22-29
Properties of one-rank perturbations
p. 29-35
Some properties of holomorphic functions of a~countable number of arguments
p. 35-46
An unnoticed condition of nonoscillation and its corollaries
p. 46-51
Some integral identities that are connected with splines of~$n$ variables
p. 51-55
Convergence of the method of successive approximations in some optimal control problems
p. 56-61
Quasiconjugate systems and necessary conditions for optimality in nonlinear infinite-dimensional systems
p. 61-69
On the efficient factorization of matrix functions
p. 69-76
The Regge problem with scattering by spirals
p. 76-83
On the approximation of distributions of sums of $m_n$-dependent variables by distributions in the class~$L$
p. 83-88

Sommaire du Fascicule no. 5

A set of discontinuity points of a~function that is essentially continuous
p. 3-5
Periodic sequences that can be generated by shift registers with nonlinear feedback
p. 5-13
An integral Fourier transform on a~piecewise-inhomogeneous half-line
p. 14-18
Classification of the intransitive actions of Lie algebras
p. 18-26
An algorithm in the theory of a~multiplicative integral
p. 26-31
The best method for approximating regular bounded functions in an annulus from their values at given points
p. 32-39
$H$-bases of polynomial ideals, and cubature formulas
p. 39-48
Application of statics in a~Lobachevski\~\i\ space in the theory of an electromagnetic field
p. 48-53
The Cauchy matrix of a~functional-differential equation
p. 54-62
Intrinsic almost geodesic mappings
p. 62-64
Some classes of functions that are analytic in the disk
p. 64-67
Sharpening a~theorem on lattice points
p. 68-69
A remark on E.~Noether's theory
p. 69-71
A class of extensions of a~Hermitian operator and the Weyl function
p. 71-75
Solvability in closed form of singular integral equations with analytic kernels and reflection
p. 75-78
A scheme for averaging integro-differential inclusions
p. 78-81
A geometric condition for a~triple of curves in a~three-dimensional projective space to belong to a~normcurve
p. 82-84
Вторая Северо-Кавказская школа по теории функций и теории операторов
p. 85-86
Семинар ``Краевые задачи и целые функции", посвященный 60-летию со дня рождения
p. 87-88

Sommaire du Fascicule no. 6

Structural aspects of the theory of varieties of semigroups
p. 3-39
Varieties of topological $\Omega$-groups
p. 40-42
Kemer's theorem for finitely generated Jordan algebras
p. 42-51
Semigroup varieties with a~modular lattice of subvarieties
p. 51-60
P.~Hall's conjecture on the finiteness of verbal subgroups
p. 60-70
Asymptotic basis of identities of algebras with unities from the variety ${\rm Var}(M_2(F))$
p. 71-76
The word problem in varieties of associative algebras and Lie algebras
p. 76-84
Varieties of solvable algebras
p. 85-86
5-я Сибирская школа по многообразиям алгебраических систем

Sommaire du Fascicule no. 7

The indeterminate equation $Ax^3+By^3+Cz^3=0$
p. 3-5
Foliations that are compatible with systems of paths
p. 5-13
A geometric method for studying solutions of Diophantine inequalities
p. 13-20
Reconstruction of coefficients in linear mathematical models, and nonlinear boundary problems
p. 20-28
Description of a~space of fractional integrals of curvilinear convolution type
p. 29-39
A class of Riemannian almost-product structures
p. 40-46
$\Phi$-spaces and their subspaces that allow invariant framings
p. 46-52
Conformal transformations in a~Finsler space
p. 53-59
Lacunary metric spaces of linear and hyperplane elements
p. 60-62
Characterization of functions in anisotropic classes of Liouville type
p. 63-66
Multidimensional analogues of the~F. and M.~Riesz theorem and Carleman's formula
p. 67-69
A deformation of a~Hamiltonian Lie algebra
p. 69-70
Mathematical features of the problem on the penetration of a~magnetic field into a~substance for quasistationary approximation
p. 70-73
Elementary theory of epimorphism skeletons of congruence-distributive varieties
p. 73-76
Dualities of nilpotent rings of prime characteristic
p. 76-77
A harmonic nonsymmetric metric, Born--Infeld equations and minimal surfaces
p. 77-79

Sommaire du Fascicule no. 8

The Bieberbach conjecture and logarithmic coefficients of univalent functions
p. 3-15
On the spectrum of differential operators in a~space of vector functions
p. 15-21
Investigation of the phenomenon of the loss of accuracy in the calculation of thin plates by shear finite elements
p. 21-28
Integrability in quadratures of a~third-order linear ordinary differential equation
p. 28-31
On the topological value of anomalies in Kaluza--Klein field theories
p. 31-39
The structure of measures on the logic of skew projectors.~I
p. 39-44
Logics of projectors in Banach spaces
p. 44-52
Semigroup rings of semilattices of groups
p. 53-55
Completeness of systems of recursive functions and predicates.~I
p. 56-63
On the convergence of the quadrature-difference method for a~class of singular integro-differential equations
p. 64-68
A new property of the Nehari class and its application
p. 69-72
Investigation of the convergence of all possible extensions of the Hermite--Fej\'er interpolation process constructed for Legendre nodes
p. 72-76
On the smoothness of solutions of variational inequalities
p. 76-79
Asymmetric layers and differential operators in the field theory of discontinuous functions in a~two-dimensional domain
p. 79-82
On the uniqueness of integral representations and the uniqueness of the solution of the Cauchy problem
p. 82-85
Local theorems for the approximation of periodic functions
p. 85-88
Defining relations in some subgroups of the multiplicative group of a~generalized matrix ring
p. 88-90
A Cauchy-type integral over an open contour
p. 90-92

Sommaire du Fascicule no. 9

Integration in closed form of a~class of Fuchsian equations and its application
p. 3-5
65N99 Some iterative algorithms for solving equations of von K\'arm\'an type
p. 5-14
Boundary value problems with a~contour shift inside a~rectangle
p. 14-18
Solvability of algebras that are decomposable into a~sum of two nilpotent subalgebras
p. 18-22
Modal resolutions
p. 22-29
Torsion-free abelian groups with finite groups of automorphisms
p. 30-37
Extension of the concept of convolution in the spaces $B_{\infty,k}$ of generalized functions of slow growth
p. 37-38
The structure of measures on the logic of skew projectors.~II
p. 38-46
The Green function of a~quasi-interpolation multipoint problem
p. 46-52
Fourier analysis of radial-spherical convolutions in ${\bf R}^n$.~I
p. 53-60
Completeness of systems of recursive functions and predicates.~II
p. 60-66
Growth of entire functions that are represented by Dirichlet series with complex exponents
p. 66-71
The quotient of smooth measures is a~smooth function
p. 72-76
Two-dimensional Morse--Smale diffeomorphisms that have oriented heteroclinic connections
p. 77-79
An inverse problem of the calculus of variations for systems of differential equations
p. 79-82
Equations of convolution type with kernels that have a~scalene power decrease
p. 83-85
Quasifinite processions of isols
p. 85-87

Sommaire du Fascicule no. 10

Some classes of differential-geometric structures on submanifolds of the pseudo-Euclidean space $E^{n+1}_{2(n+1)}$
p. 3-11
Solution of an inverse problem for the Helmholtz equation with a~quasi-one-dimensional coefficient
p. 11-19
Subgroups of the general linear group over a~ring that satisfies stability conditions
p. 19-25
The rate of convergence of the joint distribution in the method of generations
p. 25-27
Existence of a~periodic solution of the Li\'enard equation
p. 27-29
Partial groupoids that can be obtained from semigroups by restrictions and homomorphisms
p. 30-36
Fourier analysis of radial-spherical convolutions in ${\bf R}^n$.~II
p. 36-44
Galerkin approximations of singular nonlinear equations of Sobolev type
p. 44-47
The polynomial of least deviation in an Orlicz space
p. 47-51
Nonlinear systems with an $L^2$-small matrix multiplying the derivative
p. 51-56
Homogeneous boundary value problems for a~polyharmonic operator with boundary conditions on thin sets
p. 57-63
Topological limits of Carleman classes
p. 64-66
The topology of a~manifold with a~given Morse--Smale system
p. 66-68
An extremal problem with the Wiener--Hopf operator
p. 68-70
Construction of a~constructive factorization of second-order noncommuting permutation matrices on the plane
p. 70-73
Conditions for the univalence of analytic functions in certain classes of domains
p. 73-76
Elementary estimates for weighted norms of convolution operators
p. 76-79
Normal solvability, in some spaces of entire functions, of the operator of multiplication by a~function
p. 79-80
Direct and inverse problems in the nonparametric statistics of queueing systems
p. 81-84
Cohesive quasipure injective abelian groups
p. 84-87
On sharpening conditions for the convergence of distributions of sums of dependent random variables
p. 87-89

Sommaire du Fascicule no. 11

Quasiregular boundary value problems in a~strip
p. 3-9
Solution of a~nonlinear boundary value problem for the heat equation
p. 10-16
Existence and uniqueness of the solution of the Dirichlet problem for some quasilinear elliptic equations in unbounded domains
p. 16-24
On the spectrum of quadratic operators that are different from normal ones
p. 24-30
Minimal sufficient collections for semigroups of operators
p. 31-35
On a~modal approach to the stabilization of discrete time-dependent linear control systems
p. 35-37
Regularity of solutions of second-order elliptic systems
p. 37-46
Smoothness of solutions of parabolic systems
p. 46-50
Optimal estimation of the state of a~discrete stochastic system with controllable observations
p. 51-60
On a~problem of S\'anchez-Palencia with Neumann boundary conditions
p. 60-66
Representations of the algebra of pseudodifferential operators with piecewise smooth symbols
p. 66-74
Weak regularity of solutions of second-order elliptic quasilinear systems
p. 74-84
Spaces that are interpolational with respect to Besov spaces
p. 85-87

Sommaire du Fascicule no. 12

Zeros of the sum of a~trigonometric series with monotone coefficients
p. 3-8
Subgroups of the general linear group over a~local field
p. 8-15
Extension of a~partial-difference operator with a~nondense domain
p. 15-18
Taylor polynomial interlineation of functions of two variables on several straight lines
p. 19-27
A fundamental correspondence between families of multidimensional planes of a~projective space
p. 27-29
Some inequalities that are connected with the growth of an analytic function in a~half-plane
p. 30-34
Factorization of functions in some commutative topological algebras
p. 34-44
Degrees of rigid sets
p. 44-47
The structure of solutions of elliptic systems with a~compact set of singularities
p. 47-56
Behavior on the real axis of an entire function that is represented by the Dirichlet series
p. 57-58
Asymptotic behavior of $\delta$-subharmonic functions of order zero
p. 58-61
The Riemann boundary value problem on a~countable set of closed curves in a~class of functions with bounded Hцlder coefficients
p. 61-64
Structural formulas in a~class of Heilbronn--Karatsuba trigonometric sums
p. 64-67
The possibility of semigroup continuation of a~partial groupoid
p. 68-70
Inscribed and circumscribed Laplace sequences of the families $L^r_{2n-1}$
p. 70-73
Quasiholomorphic mapping and a~tensor bundle
p. 73-76
Summation and absolute summation of numerical sequences by Riesz method
p. 76-78
Structure equations for the bundle of $A$-affine frames
p. 78-80