Geodesic

Sommaire du Fascicule no. 1

Invertible linear relations generated by a uniformly well-posed problem and a nonnegative operator function
p. 3-9
On the basic equations of the almost geodesic mappings of type $\pi\sb 2(e)$
p. 10-15
The jump problem and the Faber--Schauder series
p. 16-22
Approximation of solutions to nonregular nonlinear equations by attractors of dynamic systems in a Banach space
p. 23-33
The study of the main boundary value problems for one degenerate elliptic equation by the method of potentials
p. 34-44
A continuous regularization method of the first order for nonlinear monotone equations
p. 45-53
On game problems for second-order evolution equations
p. 54-62
Solution of boundary value problems for one degenerate $B$-elliptic equation of the 2nd kind by the method of potentials
p. 63-75
Nonlocal theorems on existence of solutions of differential-algebraic equations of index 1
p. 76-81

Sommaire du Fascicule no. 2

Exact Jackson-Stechkin inequalities and diameters of classes of functions from $L_2(R^2,e^{-x^2-y^2})$
p. 3-9
Stability of characteristic vectors of one class of linear systems of differential equations
p. 10-16
Precise summability indices for functions from classes $A_\infty$
p. 17-26
Solution of one inverse boundary value problem in aerohydrodynamics
p. 27-34
Interpolation chain fraction and two extremal problems on rational approximations to $|x|$
p. 35-45
Periodic solutions of a nonlinear wave equation with Neumann and Dirichlet boundary conditions
p. 46-55
A generalization of P.\,Ya.~Polubarinova-Kochina's problem on basin drain
p. 56-71
Reduction of generalized S.\,P.~Timoshenko equations to a differential operator equation of hyperbolic type
p. 72-74
A theorem on the regularity of decrease in linearly invariant families of functions
p. 75-78
The adjoint Riemann--Stieltjes integral
p. 79-82

Sommaire du Fascicule no. 3

A spline method for the solution of integral equations of the third kind
p. 3-11
One system of equations with double major partial derivatives
p. 12-21
On the Showalter--Sidorov problem
p. 22-28
Semilattice composition of ordered semigroups
p. 29-37
A class of algebras of associative type
p. 38-46
Elongation and rotation of a linear element under the continuum deformation
p. 47-50
Interpolation sets for the algebra of generalized analytic functions
p. 51-59
An essentially nonlocal problem for a mixed-type equation in a semiband
p. 60-64
Order-optimal methods for the approximation of a piecewise-continuous solution to a certain inverse problem
p. 65-72
Modified iterative aggregation algorithms
p. 73-76
Properties of unimodal membership functions in operations with fuzzy sets
p. 77-80

Sommaire du Fascicule no. 4

One multidimensional weakly singular integral equation
p. 3-9
The convexity of surfaces defined by the conformal radius of a plane domain
p. 10-20
Smoothness of sums of trigonometric series with monotone coefficients
p. 21-29
Affine motions of one-dimensional quadratic motions of nonzero curvature
p. 30-34
Exact estimate for the rate of decrease of a solution to a parabolic equation of the 2nd kind for $t\to\infty$
p. 35-44
The Dirichlet problem for a mixed-type equation of the second kind in a rectangular domain
p. 45-53
On real dimensions of lie algebras of holomorphic affine vector fields
p. 54-67
Generalized solution of optimal control problems for hyperbolic systems
p. 68-78
Increase of order of normal derivatives in the Goursat boundary value problem
p. 79-83

Sommaire du Fascicule no. 5

A problem with a nonlocal boundary condition for one class of odd-order equations
p. 3-12
Real subalgebras of small dimensions of the matrix lie algebra $M(2,\mathbb C)$
p. 13-24
The Riemann problem on a three-sheeted surface for which the projections of branching points have one accumulation point
p. 25-32
Dynamical generalized functions and the multiplication problem
p. 33-45
The asymptotic of the necessary sample size in testing the hypotheses on the shape parameter of a distribution close to the normal one
p. 46-52
A mathematical model of the motion of a nonlinear viscous fluid with the condition of slip on the boundary
p. 53-62
Integral equations in the coupling problem for semiopen dielectric waveguides
p. 63-80

Sommaire du Fascicule no. 6

Semilinear metric semilattices on $\mathbb R$-trees
p. 3-13
Numerical solution methods for multiextremal problems connected with inverse problems in mathematical programming
p. 14-20
A stability criterion for a difference scheme in a nonlocal heat conduction problem
p. 21-28
About the hypothesis on two functionals
p. 29-34
Evolutional equations with singularities in generalized Stepanov spaces
p. 35-44
Depression conditions for linear equations with major partial derivatives
p. 45-54
Several stability tests for linear autonomous differential equations with distributed delay
p. 55-63
Trigonometric series in the Orlicz--Lorentz spaces
p. 64-76
Quadrature solution methods for nonlinear singular integral equations
p. 77-81

Sommaire du Fascicule no. 7

Depression conditions for linear equations with major partial derivatives
p. 3-16
Exponential stability of linear differential-difference equations of neutral type
p. 17-27
Quadrature formulas of the highest trigonometric accuracy grade and their applications
p. 28-41
Certain constants in absolutely convergent Fourier series for functions from~$H^{\omega}$
p. 42-47
The values of certain hypergeometric functions with irrational parameters
p. 48-52
Completely decomposable torsion-free abelian End-groups
p. 53-56
Curvature identities for almost contact metric manifolds
p. 57-60
Generatrices and relations of a generalized orthogonal group over commutative semilocal rings without identity
p. 61-70
On retracts and retractions of free modules over graded rings
p. 71-75
The Sobolev type equations with a nonsurjective operator at the time derivative
p. 76-79
The application of the wavelet transform in the numeric averaging of differential equations with quickly oscillating coefficients and in calculation of effective characteristics
p. 80-83
Abstracts of papers deposited at VINITI

Sommaire du Fascicule no. 8

Convergence of the polynomial projection method for the solution of ill-posed integrodifferential equations
p. 3-15
Application of mixed schemes of the finite element method to the solution of problems of nonlinear filtration theory
p. 16-26
Equiaffine mappings
p. 27-34
Integral equations in the wave scattering problem at an irregular interface of domains
p. 35-47
Principal bundles admitting almost invariant structures
p. 48-59
A generalization of a singular convolution equation
p. 60-65
Multidimensional integral operators with kernels of mixed homogeneity
p. 66-69
Nonnegativity criteria for fourth degree polynomials on the axis
p. 70-73
Discrete convolution operators with discontinuous symbols
p. 74-76
An analog of the L\"owner equation for mappings of strips
p. 77-80
Abstracts of papers deposited at VINITI

Sommaire du Fascicule no. 9

Poincar\'e conjecture and related statements
p. 3-41
Geodesic rigidity of certain classes of almost contact metric manifolds
p. 42-49
Theory of connections, Cole--Hopf transformations and potentials of second-order partial differential equations
p. 50-70
An affine-metrically connected space
p. 71-82

Sommaire du Fascicule no. 10

Differential geometry of Veronese-like webs
p. 3-28
Infinitesimal Ricci flows of minimal surfaces in the three-dimensional Euclidean space
p. 29-39
Abelian equations and rank problems for planar webs
p. 40-75
Lifts of geometric objects to the Weil bundle $T^\mu M$ of a foliated manifold defined by an epimorphism $\mu$ of Weil algebras
p. 76-89
Conjugate connections on statistical manifolds
p. 90-98

Sommaire du Fascicule no. 11

Problem on separation of singularities
p. 3-9
A nonsymmetrical problem of the elasticity theory for a ball
p. 10-18
Complete indeterminacy of the Nevanlinna--Pick problem in the class $S[a,b]$
p. 19-30
On generalized Riemannian spaces containing Riemannian subspaces
p. 31-35
Solution of a nonlocal problem for a mixed-type parabolic-hyperbolic equation in a rectangular domain by the spectral method
p. 36-40
Implicit function method in solving a two-dimensional nonlinear spectral problem
p. 41-44
The Volterra equation with a singularity in a Banach space
p. 45-55
Generalized elements in problem on asymptotic attainability
p. 56-70
Asymptotics of spectrum of a harmonic oscillator perturbed by a nonsmooth potential
p. 71-74
Almost Hermitian structures on the tangent bundle of almost symplectic manifold
p. 75-78
Stability and unstability of quasilinear systems of integrodifferential equations
p. 79-82

Sommaire du Fascicule no. 12

Lepage forms, closed 2-forms and second-order ordinary differential equations
p. 3-18
Differential geometry of Lagrange-like webs
p. 19-32
The Ricci flow on the two ball with a rotationally symmetric metric
p. 33-50
The structure of the Euler--Lagrange mapping
p. 51-69
On the problem of classification of regular 4-webs formed by pencils of spheres
p. 70-76
Motions in Kawaguchi spaces with special metric
p. 77-82
On the properties of holomorphically 2-geodesic transformations of the first linear type of almost Hermitian structures
p. 83-86