Geodesic

Sommaire du Fascicule no. 1

A~nonclassical condition for optimality in the problem of the control of boundary conditions of a~semilinear hyperbolic system
p. 3-11
On decomposition of the $0'$ degree into lesser $T$-degrees containing differences of recursively enumerable sets.
p. 12-16
Almost periodic solutions of evolution problems in the mechanics of viscoplastic media
p. 17-24
A~modification of the two-grid method for the approximate solution of operator equations of the first kind
p. 25-31
$p$-geodesic sections of the tangent bundle
p. 32-42
Convergence of an implicit difference scheme for a~nonlinear equation of nonstationary filtration type
p. 43-53
The Cauchy problem for a~system of equations in the three-dimensional theory of elasticity in displacements
p. 54-61
On a~model of the dynamics of a~weakly compressible viscoelastic fluid
p. 62-70
On a~free two-generator unary Clifford semigroup
p. 71-75
Approximation by rational functions on a~half-axis
p. 76-79
Orthogonal bases in spaces of complex multidimensional sequences with application to the computation of the coefficients of a~polynomial function
p. 80-84
Spline methods for solving a~class of weakly singular integral equations
p. 85-88

Sommaire du Fascicule no. 2

Automorphisms of geometric structures as symmetries of differential equations
p. 3-10
The problem of complete separation of variables in the squared Dirac equation
p. 11-14
On a~zero curvature representation of a~system of differential equations that is reducible to a~nonlinear Klein--Gordon equation
p. 15-16
Homogeneous spaces with intrinsic metric (unsolved problems)
p. 17-21
Topological characteristics and Fredholm analysis in nonlinear problems
p. 22-26
A~projective Cartan connection and geodesic modeling
p. 27-29
Local symmetries and covariant integration for algebraically special gravitational fields
p. 30-36
Geodesic mappings on semisymmetric spaces
p. 37-43
Zero curvature representations generated by the geometry of a~second-order partial differential equation
p. 44-49
Linear nonholonomic manifolds of constant nullity in~$E^n$
p. 50-54
The geometry of an affine-symplectic group
p. 55-59
Lobachevskii geometry and the modern theory of gravitation
p. 60-66
The problem of a~world surface that contracts world trajectories of particles
p. 67-70
On a~geometric property of a~torsion object of a~connection of higher order
p. 71-74
The Atiyah--Molino class of a~foliated Lie algebroid
p. 75-77
The graph of a~foliation with an Ehresmann connection and the stability of leaves
p. 78-81
Two weak Riemannian structures on the space of Riemannian metrics
p. 82-83
Geometry of special affinor structures of homogeneous $\Phi$-spaces of odd order
p. 84-86

Sommaire du Fascicule no. 3

On the embedding of two-dimensional metrics in the Euclidean space $E^4$
p. 3-9
Metric of the Minkowski superspace as an invariant of the Poincaré supergroup
p. 10-16
Bifurcations and the Plateau problem in Riemannian manifolds
p. 17-20
The Laplace--Beltrami operator in the infinite-dimensional case
p. 21-25
Differential-geometric structures on submanifolds of a~manifold with almost quaternion structure
p. 26-31
On an infinite group of skew symmetries
p. 32-34
Congruences of horospheres, horocycles, equidistant surfaces and equidistant curves in three-dimensional Lobachevskiĭ space
p. 35-40
Estimates of the dimension of the space of invariant affine connections that are compatible with the adjoint representation of semisimple Lie groups
p. 41-23
Lobachevskij geometry and physics
p. 44-49
Geodesic mappings of conformal Kehler spaces
p. 50-52
Normalized congruences of a~projective space
p. 53-61
Connections, compatible with the Riemannian metrics in the theory of statistical manifolds
p. 62-64
A~complete enumeration of centrally symmetric forms of two-dimensional metrics of constant curvature
p. 65-68
A~new method in the theory of liftings of tensor fields in a~tensor bundle
p. 69-75
Some aspects of current interest in the development of the theory of geodesic mappings of Riemannian spaces and its generalizations
p. 76-80
A~vector field on a~Lorentz manifold
p. 81-83
Lines of pseudofoci and the focal curve of the distribution $\Delta_2$ in $E_4$
p. 84-87

Sommaire du Fascicule no. 4

On the affine theory of the Peterson correspondence between hypersurfaces
p. 3-9
A~version of the Riemann boundary value problem on a~fractal curve
p. 10-20
On the symmetry of distance in geometry
p. 21-23
On certain problems on a~group pursuit with phase constraints
p. 24-29
A~local theorem on distributions with positive mixed sectional curvature
p. 30-32
Approximate group analysis of the equations of the dynamics of subisothermic glaciers
p. 33-47
Classes of measurable vector functions and the Nemytskiĭ operator. I
p. 48-58
Differentiation and codifferentiation in a~discrete space with a~fundamental volume element
p. 59-78
Fractional powers of some differential operators that commute with dilations
p. 79-83
Convexity and almost convexity of an integral transformation on subclasses of univalent functions
p. 84-86

Sommaire du Fascicule no. 5

Classification of integral boundary value problems in a~wide strip
p. 3-12
The admissibility of pairs of spaces with respect to some of the variables for linear stochastic functional-differential equations
p. 13-22
Correct solvability of a~boundary value problem in a~tube domain
p. 23-30
The spectrum of singular integral operators in the theory of elasticit
p. 31-35
Galois correspondence associated with the extension of charges on the $\sigma$-class of subsets of a~finite set
p. 36-40
Regularized asymptotic solutions of singularly perturbed problems in the critical case
p. 41-48
Hermite--Pad\'e approximants of polylogarithms
p. 49-59
Strongly regular and weakly regular rings and modules
p. 60-65
Integral representation of partial sums of Mebius series
p. 66-69
Classes of measurable vector functions and the Nemytskii operator. II
p. 70-79
Generalizations of a~theorem of Beurling and their applications to inverse boundary value problems
p. 80-83
A~lower bound on the covering radius for a~class of binary codes
p. 84-86

Sommaire du Fascicule no. 6

Topological Noether operators: generalized invertibility and additive representation
p. 3-7
Current state and directions of development of the theory of functional-differential equations
p. 8-19
On the stability of the trivial solution of nonlinear equations with aftereffect
p. 20-27
On the solvability of a~class of differential equations with deviating argument in a~Hilbert space
p. 28-38
On the reduction of variational problems to extremal problems without constraints
p. 39-49
On a~pointwise maximum theorem in the almost periodic case
p. 50-59
On the stability of equations with delay that depends on an unknown function
p. 60-63
Application of asymptotic estimates in the investigation of the controllability of linear stationary systems of delay type
p. 64-68
On eigenfunctions of the Sturm--Liouville problem for a~functional-differential equation
p. 69-74
Investigation of the solvability of boundary value problems with application of vector a~priori inequalities in the presence of impulse perturbations
p. 75-82
On sets of discontinuous solutions of nonlinear differential equations
p. 83-89
Analytic solutions of the Cauchy problem for some linear systems of functional-differential equations of neutral type
p. 90-98

Sommaire du Fascicule no. 7

A~criterion for the solvability of the problem of constructing wing profiles based on a~cavitation diagram
p. 3-12
Lyapunov groups of transformations
p. 13-19
Estimates for the norms of sums of double trigonometric series with multiply monotone coefficients
p. 20-28
Weyl multipliers for some classes of orthonormal systems
p. 29-36
On a~right inverse for a~matrix generalized convolution operator
p. 37-40
On the stability of systems with periodic structural changes
p. 41-48
Conditions for the epimorphy of a~convolution operator in a~complex domain. I. Necessary conditions for epimorphy
p. 49-58
Stability of the geometric properties of integrals and convolutions of meromorphic univalent functions
p. 59-68
An integral formula for a~compact manifold with a~Riemannian almost-product structure
p. 69-73
On the rate of convergence of weighted sums of independent Banach-space-valued random elements to stable and semistable laws. I
p. 74-82
Triangulating chains of projectors and completely nonselfadjoint parts of linear operators
p. 83-85

Sommaire du Fascicule no. 8

Zeros of coefficients of transformations and conditions for the solvability of inverse boundary value problems
p. 3-10
$H$-projectively equivalent four-dimensional Riemannian connections
p. 11-20
Convolutions of generalized $H$-transformations
p. 21-28
Functions of $(m,\Phi)$-bounded variation and the convergence of Fourier series
p. 29-38
On a~0Phicriterion for the existence of a~Phiholomorphic continuation of functions into $C^2$
p. 39-45
Stability of geometric properties of convolutions of univalent functions in some neighborhoods
p. 46-54
Closed solution of a~problem of $R$-linear conjugation for a~regular triangular checkerboard field
p. 55-66
Hypersurfaces with parallel cubic form in an affine space
p. 67-71
On the reduction of the solution of an inverse boundary value problem to the solution of the Fredholm equation
p. 72-80

Sommaire du Fascicule no. 9

On the acceleration of the convergence of an iterative method for solving the Stokes problem
p. 3-10
On a~class of vector additive difference schemes
p. 11-15
On the solvability of a~problem of the simultaneous motion of surface and ground waters
p. 16-27
Stability boundaries of difference schemes with variable weight multipliers
p. 28-38
A~scheme of accuracy $O(h^2)$ for determining the free boundary for a~one-dimensional problem with an obstacle
p. 39-48
On estimates for the solutions of difference equations of the one-dimensional motion of a~viscous barotropic gas
p. 49-59
On the approximation of solutions of variational problems in the theory of ideal plasticity
p. 60-69
Error estimates for the finite-element method for symmetric spectral problems with nonlinear occurrence of the parameter
p. 70-77
Finite-element approximation of a~second-order degenerate elliptic equation in a~domain with a~curvilinear boundary
p. 78-86

Sommaire du Fascicule no. 10

On the solvability of an initial value problem for an equation with retarded argument with unbounded operator coefficients
p. 3-11
Circular dichotomy of the spectrum of a~class of nonselfadjoint operators
p. 12-18
Ill-posed boundary value problems for an $n$-order polyharmonic equation
p. 19-25
Pulverization modeling. II
p. 26-32
When is the extension group $Ext(A,B)$ torsion-free?
p. 33-41
On the existence of an absolutely continuous solution of a~three-dimensional problem of the calculus of variations for a~limit exponent
p. 42-47
A~criterion for the unique solvability of a~periodic boundary value problem for a~functional-differential equation
p. 48-52
Construction of a~regular set with given angular density and some applications
p. 53-65
Defining relations of classical orthogonal groups over commutative local rings
p. 66-74
On local formations with complemented local subformations
p. 75-80
On the theory of mappings of Riemannian manifolds in the large
p. 81-88
The Goursat problem for quasilinear systems in invariants
p. 89-90

Sommaire du Fascicule no. 11

Property of being an Abelian basis for the system of eigen- and adjoint functions of multipoint boundary value problems for differential equations with variable coefficients
p. 3-9
Characterization of fiber-wise absorbing sets in infinite-dimensional fiber bundles
p. 10-13
On diagonalization of certain classes of linear operators
p. 14-19
Asymptotics of eigenvalues of the monodromy operator for periodic differential equations with delay
p. 20-28
Refined theory of stability of three-layer constructions (Nonlinear equations of subcritical equilibrium of shells with transversal-soft aggregate)
p. 29-42
On conditions for the surjectivity of a convolution operator in a complex domain. II: Sufficient conditions and criteria for surjectivity
p. 43-52
On multiplication of varieties of algebras
p. 53-58
On classical solvability of a non-local boundary value problem for an elliptic equation of the second order.~I
p. 59-66
Quasi-Boolean powers of singular semigroups
p. 67-74
Phase space for Sobolev type equations with $s$-monotone and strongly coercive operators
p. 75-82
On the convergence of almost all sums of independent Banach-valued random elements with respect to distribution
p. 83-86

Sommaire du Fascicule no. 12

A three-step method of linearization for minimization problems
p. 3-7
On the solution of systems of quadratic equations modeling load distribution in electric circuits
p. 8-19
On continuity of perturbation function for the convex programming problem
p. 20-24
A three-step regularized method of linearization for solving minimization problems
p. 25-32
Optimal control for boundary value problems
p. 33-41
A self-adjoint algorithm for solving linear programming problems
p. 42-49
Methods of ``reduced'' directions, based on a differentiable penalty function, for a problem of nonlinear programming
p. 50-59
On the limit passage in variational problems of plasticity theory
p. 60-69
Application of the combined relaxation method to find equilibrium points of quasi-concave-convex functions
p. 70-75