Geodesic

Sommaire du Fascicule no. 1

Some results on ``structor automata''
p. 3-9
A~Markov-type theorem for approximation in an integral metric with a~power weight
p. 9-18
The growth cone of entire double Dirichlet series
p. 18-25
The collocation method for approximate solution of systems of singular integral equations with vanishing symbols
p. 25-29
Asymptotic representations of fractional integrals
p. 30-40
A~projection-iteration method for solving systems of nonlinear Volterra integral equations of the second kind
p. 41-44
Nondifferentiable perturbations of spectral problems for a~pair of selfadjoint operators and global bifurcation
p. 44-52
Optimal control of sliding modes of discontinuous dynamical systems
p. 53-61
Generalized de la Valle\'e--Poussin means for multiple Fourier series
p. 61-69
Representation of regular solutions of a~real differential equation that is not solved with respect to the derivative
p. 70-72
Induced connections on regular $\Phi$-spaces and their subspaces
p. 72-80
Language-based and abstract hierarchies
p. 81-83
The families $R^m_{2n-1}$ and $\Phi^n_{2n-1}$
p. 84-86
Constructive reconstruction of continuous mappings of Banach spaces
p. 86-89

Sommaire du Fascicule no. 2

Some classes of semi-Noetherian operators
p. 3-16
Regularity of growth and $D'$-asymptotics of holomorphic functions in~$C^+$
p. 16-28
A~homogeneous Riemann problem with a~coefficient that has a~discontinuity of the second kind
p. 29-34
The function~$E_\rho(z;µ)$ with complex parameter~$\rho$
p. 34-39
A~class of integral equations on a~half-line and their discrete analogues
p. 40-46
Extremal problems for some classes of analytic functions
p. 46-49
Solvability of the Cauchy--Riemann equation with constraints on the growth of the functions, and weighted approximation of analytic functions
p. 49-52
Matrix convolution of power series
p. 53-62
A~scheme for studying semi-Noethericity of a~class of operators
p. 62-65
The Riemann boundary value problem in the space of generalized functions $S'_{m,n}$ on a~segment of the real axis
p. 66-68
Absolutely-representing families and realization of a~conjugate space
p. 68-76
Complete regularity of the growth of a~function on a~ray
p. 77-78
The method of excising singularities for a~class of singular integral operator
p. 78-80
The order of subharmonic functions in a~cone
p. 80-84
Some classes of functions that are analytic in a~half-plane
p. 84-86
Some boundary value problems for the plane with a~countable set of periodically positioned cracks
p. 87-89
Fundamental problems in elasticity theory on a~multi-sheeted Riemann surface
p. 89-92
Canonical representations of generalized subharmonic functions
p. 92-94
An $l$-index and an $l$-distribution of the values of entire functions
p. 94-96

Sommaire du Fascicule no. 3

Some classes of submanifolds of codimension two in the pseudo-Euclidean space $E^{n+1}_{2(n+1)}$
p. 3-11
Some nonlocal boundary value problems for second-order model equations
p. 11-15
A~criterion for the unique solvability of the Cauchy problem for functional-differential equations
p. 16-23
Thickness of the spectrum of a~singular string
p. 23-30
Groups with infinite normal subgroups of infinite index
p. 31-37
Quasinormed spaces of rational approximation in the norm of BMO
p. 38-44
Multidimensional Carleman formulas in Siegel domain
p. 44-49
Cubature formulas with a~minimal number of nodes for a~centrally-symmetric $n$-dimensional integral
p. 50-57
Line hypercomplexes in a~Euclidean space and in non-Euclidean spaces
p. 57-66
A~problem of the boundedness of a~signed measure defined on the projectors of a~von Neumann algebra of type~I
p. 67-69
Existence and uniqueness of optimal weighted quadrature formulas of a~certain form
p. 70-73
Rational tetrahedra
p. 73-75
Infinite groups, all of whose infinite $pd$-subgroups are normal
p. 75-78
Absolute continuity of norms in Banach ideal spaces with shifts
p. 78-80
Spectral analysis of integral operators with a~kernel that depends on the difference and the sum of arguments
p. 80-83
Homotopy classes of curves in the flag plane
p. 83-84
Abelian torsion-free $CS$-groups
p. 84-87
First All-Russia School on the foundations of mathematics and the theory of functions
p. 88-90

Sommaire du Fascicule no. 4

On a~study of a~power Riemann boundary value problem
p. 3-10
Construction of asymptotic expansions of solutions of a~system of second-order linear integro-differential equations
p. 11-14
New direct methods for solving integral equations of the third kind
p. 15-23
Functions of frame type and their applications
p. 23-29
Problems on the convergence of series in systems $\{f(\tau\sp nx)\}^\infty_{n=0}$
p. 29-33
Optimization, with respect to the number of arithmetic operations and entropy, of difference methods of linearization
p. 33-37
A~measure of complexity for alternating automata with push-down memory
p. 37-45
Representation of the Fourier--Chebyshev series by a~rational fraction
p. 45-48
Geodesic mappings of some classes of Riemannian spaces
p. 48-50
Formulas for integration by parts for Feynman and Gaussian distributions on superspace
p. 51-58
Direct products and direct sums of torsion-free abelian $QCPI$-groups
p. 58-67
Choice of nodes for interpolation by parabolic splines
p. 67-71
An interpolation problem in spaces of entire functions of arbitrarily rapid growth
p. 72-74
Convergence of Lagrange interpolation processes in classes of differentiable functions
p. 74-77
General form of the Hahn--Banach--Kantorovich theorem
p. 77-79
Sufficient conditions for the univalence of functions that are analytic in domains with boundaries, for which the ratio of the arch to the chord is finite
p. 79-81

Sommaire du Fascicule no. 5

A~condition for the convergence of double Fourier series
p. 3-12
Series of block-orthogonal and block-independent systems
p. 12-18
Analytic Fr\'echet sheaves of finite type
p. 18-25
Some relations for meromorphic functions whose order or lower order is less than one.~II
p. 25-32
Maximal-mobility spaces of vector elements of affine connection.~I
p. 33-41
Helly and Radon numbers in distributive lattices and in lattices with pseudocomplements
p. 41-47
Generalized spaces of germs of smooth solutions of a~first-order equation and their connection with the direct Lyapunov method
p. 47-53
Metrizable naturally reductive spaces with regular multiplication
p. 53-59
Focal-affine spaces
p. 60-68
Countably compact and pseudocompact topologies on free abelian groups
p. 68-75
Autotopies of three-webs and geometric $G$-webs
p. 75-77
Two local minima of the six-dimensional Epstein zeta-function
p. 78-83
A~problem of reconstructing an inhomogeneous convex polyhedron in~$R^3$ from its $p$-projection
p. 84-86
Scientific session of the Tomsk City P.\,P.~Kufarev Seminar
p. 87-88

Sommaire du Fascicule no. 6

A~Lie problem, projective groups of two-dimensional Riemann surfaces, and solitons
p. 3-10
Framing a~class of tangentially degenerate surfaces
p. 10-13
The basis property in a~reflexive Fr\'echet space with a~weakened topology
p. 13-17
Bands of finitely approximable and finitely separable semigroups
p. 17-25
A~remark on P\'olya peaks
p. 25-26
Boundary tangential values of a~function of the Hardy classes $H^p_\omega$, $0$
p. 27-29
Order optimality of the accuracy of some algorithms for solving ill-posed extremal problems
p. 30-38
Classification with respect to boundary value problems of a~complete second-order equation in a~Banach space
p. 39-45
Operators with dense images and extensions of minimal systems
p. 45-47
Cartesian skeletons of congruence-distributive varieties
p. 47-51
Behavior of solutions of a~first-order complex differential equation near a~singular point
p. 51-54
Matroms of representations of the orthogonal group
p. 55-62
On quotient groups of direct products of abelian groups
p. 62-65
On the modification of some of M.~Araki's results
p. 65-67
$L^2$-construction of distributions and a~martingale problem
p. 67-77
Height-two elements of the lattice of formations of finite groups
p. 77-80
Lipschitzians, Lipschitz-affine spaces and the geometry of octaves
p. 81-83
Control of time-dependent dynamical objects with unknown dimension
p. 83-85
Integral sets, estimates for solutions of integro-differential equations
p. 85-88

Sommaire du Fascicule no. 7

Clifford connections on Riemannian spaces
p. 3-7
Convolution equations on a~finite interval with a~small parameter multiplying the growing part of the symbol
p. 7-17
The non-Brouwerian property and continuality of the lattice of nilpotent $l$-varieties
p. 17-22
Radical classes and band sums of associative algebras
p. 22-28
Some ideals in rings of entire functions
p. 28-36
On the embedding of the classes $E^{\lambda_1,\dots,\lambda_N}_p$ in~$L^q$
p. 36-39
On a~countable system of convolution equations
p. 40-43
Приближения в пространстве представления группы Ли
p. 43-51
Justification of the singularity excision method for bisingular integral operators with continuous coefficients
p. 51-60
On the embedding $E_p(\lambda)\subset H^{\omega_k}_C$
p. 61-65
Estimation of the remainders of asymptotic expansions of solutions of higher-order equations
p. 65-68
Asymptotics of the likelihood ratio based on an interval of order statistics
p. 69-79
A~remark on semigroup varieties of finite index
p. 79-83
A~net of lines that is defined by a~Grassmannizable three-web on a~smooth submanifold
p. 83-87
Letter to the editors

Sommaire du Fascicule no. 8

On a~resonance theorem
p. 3-13
Application of the method of moduli in an extremal problem of conformal mapping
p. 13-22
Complete systems of invariants and a~frame in the Lagrangian Grassmannian of a~Hermitian space
p. 22-29
Existence of a~solution of solitary wave type in a~strip
p. 30-35
Properties of root functions of the Sturm--Liouville operator that are discontinuous on an everywhere dense set
p. 35-44
Irreducible normally flat semisymmetric submanifolds.~I
p. 45-53
Nontrivial decompositions of zero and representative subspaces
p. 53-65
On an interconnection between the Noethericity of linear operators and their restrictions
p. 65-73
On the problems of a~global extremum in nonconvex extremal problems
p. 74-80
Global stability of foliations with second-order differential equations on leaves
p. 81-84
On the growth of the sum of a~multiple series of exponentials
p. 84-86
A~fast direct method for solving finite element method schemes with Hermitian bicubic elements
p. 87-89
Mean-square errors for numerical integration algorithms that are connected with the theory of divisors in cyclotomic fields
p. 90-93
Lie differentiation and automorphisms of a~space of associated connection
p. 93-96

Sommaire du Fascicule no. 9

Series in systems of Haar type
p. 3-14
Homomorphisms of quasigeodesic flows of the second degree
p. 14-21
The differential-geometric structure of a~hyperbolic system of first-order nonlinear equations with two independent variables
p. 22-31
Irreducible normally flat semisymmetric submanifolds.~II
p. 31-40
A~core (in the sense of Knopp) of a~sequence and its conservative matrix means
p. 41-45
Analytic methods for solving some ill-posed problems, and regularization
p. 45-51
Embedding operators of spaces of analytic functions of the class~$\gamma_q$, $0$
p. 51-54
Differentiability of a~Hammerstein operator and solvability of a~nonlinear Hammerstein equation
p. 55-62
Convergence in measure in regular noncommutative symmetric spaces
p. 63-70
A~model case of the generalized Christoffel problem in a~three-dimensional Euclidean space
p. 70-74
The set on which an entire function is bounded below
p. 75-81
Almost reducibility of linear differential equations on manifolds
p. 81-85
Solvability of the system $Ax=0$, $x\ge0$, with indeterminate coefficients
p. 85-88
Derivatives of some multivalued mappings
p. 88-89

Sommaire du Fascicule no. 10

Modular invariance, self-dual lattices in heterotic string theory in $D\le 10$
p. 3-8
Variational problems for rotation functionals, and spin-mappings of pseudo-Riemannian spaces
p. 9-17
Conditions for the solvability of abstract boundary value problems
p. 17-24
A~mixed inverse boundary value problem on Riemann surfaces
p. 25-36
Some applications of the strong law of large numbers in the theory of functions.~I
p. 36-43
Potential saddle points in ordered sets
p. 44-50
The Radon transform in Hemming spaces
p. 50-55
An a~priori estimate for the solution of boundary value problems for a~second-order elliptic equation in domains with edges
p. 56-58
$\mathfrak C$-closure in locally convex spaces and a~closed graph theorem
p. 58-61
Some projection methods for solving singular integro-differential equations in the exceptional case
p. 61-65
Convergence of weighted sums of random elements in spaces of type~$p$
p. 65-67
The closure of the set of compactly supported vector-valued functions in generalized Sobolev spaces
p. 67-69
Approximation of continuous functions by linear combinations of modified Mirak'yan operators
p. 69-71
On the geometry of a~tangent bundle of the locally conic space
p. 71-74
$P$-stretched spaces
p. 74-75

Sommaire du Fascicule no. 11

The best polynomial approximation of analytic functions of one and two complex variables
p. 3-8
Convergence of Fourier-Walsh series in the $L^1$~metric and almost everywhere
p. 9-18
A~criterion for spherical convergence of Fourier transforms of monotone functions of two variables
p. 18-27
Conjugate points of left-invariant metrics on Lie groups
p. 27-37
The Riemann boundary value problem on a~curve with nonuniform twisting
p. 38-47
A~criterion for $L_p$-summability of Fourier series by Ces\`aro methods of negative order
p. 47-50
Sufficient conditions for optimality for continuous stochastic control systems on the basis of an incomplete state vector
p. 50-61
Uniform continuity and limit sets of monotone mappings of class $L^1_n$
p. 61-63
A~method for removing the multivalence of analytic functions
p. 64-72
A~class of primary block designs
p. 73-75
$K$-spaces and the spaces~$V(K)$
p. 75-78
Commutativity of the $K$-method of interpolation
p. 78-80
The spectrum of a~$C^*$-algebra of Fourier multipliers in a~cone
p. 80-82
An analogue of Dolbeault cohomology for varieties over the algebra of dual numbers
p. 82-84
Transformations of spaces with affine connection that preserve a~linear complex of geodesics
p. 84-87

Sommaire du Fascicule no. 12

Lie algebras of projective motions of the spaces $V(0)$ of Lorentz signature
p. 3-13
Contour-solid properties of harmonic functions
p. 13-21
Invariant Riemannian and pseudo-Riemannian metrics in manifolds of images of cosymmetries in projective spaces
p. 21-31
A~generalization of the universality property of Faber polynomial series
p. 31-34
Summation of closed non-self-intersecting diagrams on a~triangular lattice
p. 35-39
New information about induced matrices
p. 39-44
The absence of an explosion and trajectory uniqueness for a~solution of a~stochastic differential equation with coefficients that depend on the past
p. 44-55
A~differential equation that determines the Poincaré function in a~neighborhood of a~focus
p. 55-62
A~modified functor of inclusion hyperspaces
p. 63-65
Solvability of a~problem of the thermoconvection of a~viscoelastic incompressible fluid
p. 65-70
Linearizability of infinite-dimensional control systems
p. 71-80
Letter to the editor
p. 80-81