Geodesic

Sommaire du Fascicule no. 1

An estimate for the number of solutions of the homogeneous Riemann problem on a~parabolic Riemann surface
p. 3-5
On a~problem of the classification of control sets for a~parabolic equation
p. 6-14
On the triviality of a~natural fibration of some compact homogeneous spaces
p. 15-19
A~solution in closed form of a~convolution-type integral equation in the hyperelliptic case
p. 20-30
On the calculation of the constants involved in the estimation of linear forms
p. 31-36
On the stability of systems of differential equations with random structural changes
p. 37-43
Dual complements and hulls of classes of analytic functions
p. 44-50
On estimates for partial sums of Fourier series of functions of bounded variation
p. 51-55
An upper bound for the spectral radius of an isotone operator
p. 56-65
Solution of nonlinear equations in analytic polyalgebras.~I
p. 66-76
Limit distributions for branching processes with immigration
p. 77-83
Abstracts of papers deposited at VINITI
p. 84-86

Sommaire du Fascicule no. 2

Stability of solutions of nonlinear almost periodic systems of functional-differential equations of delay type
p. 3-6
On the approximation of semigroups of isometries in a~Hilbert space
p. 7-12
On the coefficients of expansions in eigenfunctions of a~boundary value problem with a~spectral parameter in the boundary conditions
p. 13-18
The Riemann problem on an ultrahyperelliptic surface
p. 19-31
On a~class of strong differential models over a~countable set of dynamic processes of finite character
p. 32-40
The Hardy--Littlewood problem
p. 41-49
A~remark on semilattice congruences in ordered semigroups
p. 50-52
On topological groups with a~countable set of monothetic subgroups
p. 53-59
A~new approach to the solution of the Hilbert boundary value problem for an analytic function in a~multiply connected domain
p. 60-64
On an estimate for the resolvent of a~second-order differential operator with irregular boundary conditions
p. 65-68
Universal version of generalized integral constraints in the class of finitely additive measures.~II
p. 69-77
On some criteria for the quasinilpotency of functional operators
p. 77-80

Sommaire du Fascicule no. 3

On the weak law of large numbers in Banach spaces of martingale type~$p$ under a~general condition of Ces\`aro type
p. 3-7
On the absolute convergence of Fourier series in the generalized Haar system
p. 8-16
On the boundedness of some maximal and multiplicative operators
p. 17-20
A~uniqueness theorem for the solution of inverse problems of spectral analysis
p. 21-24
On a~quadrature formula
p. 25-28
An absolute extremum principle for a~class of third-order differential equations in three-dimensional space and its application
p. 29-32
Deformations of a~Lie algebra of type $G_2$ of characteristic three
p. 33-38
On the abstract theory of approximate methods for solving linear operator equations
p. 39-47
On the deficiency index of second-order matrix differential operators with rapidly oscillating coefficients
p. 48-53
Degenerate strongly continuous groups of operators
p. 54-65
On the iterative realization of nonanticipating multivalued mappings
p. 66-76
On the asymptotic optimality of projection methods
p. 77-79
Endomorphism semigroups of weak $p$-hypergraphs
p. 80-83

Sommaire du Fascicule no. 4

Stability of equations with a~retarded argument.~II
p. 3-13
Estimates for solutions of differential-difference equations of neutral type
p. 14-22
On the spectrum of a~uniform network of strings
p. 23-27
On the asymptotic behavior of solutions of a~system of linear functional-differential equations with delay and periodic parameters
p. 28-35
An elliptic boundary value problem with a~superposition operator in the boundary condition.~I
p. 36-40
Continuous dependence of the solution of a~linear boundary value problem on the parameters
p. 41-49
Asymptotic structure of the resolvent of an unstable Volterra equation with a~difference kernel
p. 50-55
On a~nonlinear boundary value problem with a~nonsummable singularity
p. 56-59
On semidiscretization methods for quasilinear equations with a~noncompact semigroup
p. 60-65
On the minimization of quadratic functionals with equality constraints
p. 66-69
Asymptotic behavior of solutions of a~system of difference equations
p. 70-71
Stable solvability of monotone and accretive operators
p. 72-75
On the representation of Perron--Stieltjes integral equations by means of series
p. 76-80

Sommaire du Fascicule no. 5

On algebraic properties of sets that do not contain lines
p. 3-11
Conditions for the nonoscillation of solutions of systems of second-order differential equations
p. 12-18
On universality systems in~$L^p$, $1\leq p2$
p. 19-22
Asymptotic distribution of the number of matches in a~two-dimensional sample under natural matching
p. 23-30
Pulverization modeling and point symmetries of pulverization
p. 31-36
A~remark on congruences in ordered semigroups
p. 37-39
Algebras of invariant affinors of homogeneous spaces of real simple~Lie groups of type $A_l$ with regular isotropy subgroups
p. 40-50
A~spectral method for studying the stability of some classes of nonautonomous differential equations
p. 51-61
On the deficiency index of second-order matrix differential operators
p. 62-67
On the structure of algebras of singular integral operators with shift in weighted spaces, and the calculation of the index of families
p. 68-71
Interpolation in the class of Besov and Lizorkin--Triebel spaces. The limit case $p_0=\infty$
p. 72-73
Direct methods for solving a~class of integral equations of the first kind
p. 75-78
Integrable $\pi$-structure with a~symmetric second covariant derivative of an affinor
p. 79-82

Sommaire du Fascicule no. 6

Approximation of functions of several variables with a~Chebyshev--Hermite weight
p. 3-9
The splitting method in the theory of regular and singular perturbations
p. 10-15
Asymptotics of the volume function for the set of lesser values of a~polynomial in~$\mathbb R^n$
p. 16-23
Defining relations of generalized orthogonal groups over commutative local rings without unity
p. 24-32
Suboptimal control of semilinear elliptic equations with phase constraints.~I. The maximum principle for minimizing sequences and normality
p. 33-44
Solution of nonlinear equations in analytic polyalgebras.~II
p. 45-52
Matrix linear operads
p. 53-62
Solution of $n$-person games by means of a~prediction-type gradient method
p. 63-69
A~conjugation problem for analytic functions in affinely transformed domains with piecewise smooth boundaries
p. 70-74
Sufficient conditions for stability with respect to part of the variables of linear stochastic systems with aftereffect
p. 75-79
On the inner radii of symmetric nonoverlapping domains
p. 80-81

Sommaire du Fascicule no. 7

Isoperimetric rotational extremals on two-dimensional connected Lie groups with invariant Riemannian metrics
p. 3-5
Correction of Haar polynomials used in the compression of graphical information
p. 6-10
Pulverization modeling and point-trajectory morphisms of quasigeodesic flows
p. 11-21
On an averaging method for quasilinear parabolic equations with rapidly oscillating coefficients
p. 22-30
On an adelic formula for Gaussian integrals
p. 31-36
On a~geometric interpretation of the sine-Gordon formula
p. 37-40
Homogeneous submanifolds in four-dimensional affine and projective geometry
p. 41-52
On clones of polynomials over infinite fields
p. 53-58
On compositional and local critical formations
p. 59-66
Continuous functionals and multipliers of power series of a~class of functions analytic in a~polydisk
p. 67-69
Algebraic conditions for compatibility of two metrics with a~common almost complex (quaternion) structure on a~manifold
p. 70-73
On the complex of basic forms of a~foliation
p. 74-76
A~probabilistic representation of the solution of a~hyperbolic equation of mass transport with a~convective term
p. 77-80
An individual ergodic theorem for contractions in the Banach--Kantorovich lattice $L_p(\widehat\nabla,\widehat\mu)$
p. 81-83

Sommaire du Fascicule no. 8

On the representation of even numbers by the sum of two odd prime numbers in an arithmetic progression
p. 3-15
A~boundary value problem for a particular form of the Euler--Darboux equation with integral conditions and special conjugation conditions on the characteristic
p. 16-19
On the Abel and Fabry properties of basic expansions of analytic functions
p. 20-27
A~basic analogue of an $H$-function of one or two variables
p. 28-34
Matrix systems of differential equations with the quasimonotonicity condition
p. 35-45
On the Shea estimate for the magnitude of deviation of a~meromorphic function
p. 46-51
Suboptimal control of semilinear elliptic equations with phase constraints.~II. Sensitivity, genericity of the regular maximum prin
p. 52-63
Orthogonal polynomials of generalized even weight
p. 64-71
On a~solution of a~two-dimensional weakly singular equation of the first kind
p. 72-75
Investigation of the solution of the Cauchy problem for a~singularly perturbed differential equation
p. 76-80

Sommaire du Fascicule no. 9

Measures of noncompactness in the investigation of inequalities
p. 3-8
Asymptotic theorems for modifications of polynomials similar to Bernstein polynomials
p. 9-15
The Laplace transform and a~noncommutative version of the Payley--Wiener theorem
p. 16-20
Generalized curves and necessary conditions for a~discontinuous solution of a~three-dimensional variational problem
p. 21-26
An extremal method for solving a parametric inverse problem for a~system of linear functional equations
p. 27-33
On the $\varepsilon$-core of a~bounded set in a~special metric space
p. 34-37
On the stability of a~control with respect to a~parameter
p. 38-46
Group analysis of equations of the dynamics of a~non-Newtonian fluid
p. 47-59
On the absence of stability of interpolation in eigenfunctions of the Sturm--Liouville problem
p. 60-73
Reduction of the solution of an interior inverse boundary value problem to an integral equation in the case of corner points on an unknown and a~known contour
p. 74-78
Rotational-conformal transformations in the Lobachevskii plane
p. 79-81

Sommaire du Fascicule no. 10

The power Riemann problem with constant exponents for doubly periodic functions with zeros on the contour
p. 3-12
On stability with respect to the nonautonomous first approximation
p. 13-20
The Stieltjes integral along a~fractal contour and some of its applications
p. 21-32
On properties of generalized expansion systems that are similar to orthogonal systems
p. 33-48
On extremal problems in classes of entire functions bounded on the real axis
p. 49-56
Complex potentials with logarithmic singularities in the kernels for elastic bodies with a~defect along a~smooth arc
p. 57-67
Properties of the Green function of the third mixed problem for a~parabolic equation in a~noncylindrical domain
p. 68-78
Generalized convolutions of $H$-transformations
p. 79-84

Sommaire du Fascicule no. 11

Efficient iterative schemes for realizing the finite element method for stationary boundary value problems in mathematical physics
p. 3-11
A~uniqueness theorem for the solution of a~problem in the theory of the joint motion of channel and underground waters
p. 12-25
Stability boundaries of difference schemes
p. 26-33
On a~nonlinear integral equation of the first kind
p. 34-41
Two-level methods, based on aggregation, for solving three-dimensional problems
p. 42-61
Skew-symmetric iterative methods for solving stationary convection-diffusion problems
p. 62-75
Finite-element approximation in weighted Sobolev spaces
p. 76-84
Investigation of solutions, positive with respect to curvature, of a~system of equations of the equilibrium of a~closed cylindrical shell
p. 85-96

Sommaire du Fascicule no. 12

An iterative method for solving linear optimal control problems with terminal constraints
p. 3-8
On the search for equilibrium controls in an $m$-person differential game
p. 9-14
An approximation algorithm for the location problem on a~maximum with bounded quantities of production and facilities
p. 15-20
On the solvability of a~multi-index axial assignment problem on one-cycle permutations
p. 21-26
Quasistability of a~vector nonlinear trajectory problem with the Pareto optimality principle
p. 27-32
On the stability of algorithms for the unconditional minimization of pseudoconvex functions
p. 33-48
On a~modification of the penalty shifting method for nonlinear programming problems
p. 49-54
Approximate methods for direct-dual variational inequalities of mixed type
p. 55-66
A~second-order iterative regularization method for convex constrained minimization problems
p. 67-77
Methods for the nonlocal improvement of admissible controls in linear problems with delay
p. 78-88
On the number of $r$-fractional vertices of the polyhedron of a~tri-index axial choice problem
p. 89-92