Geodesic

Sommaire du Fascicule no. 1

Tricomi problem for $q$-difference analog of anticipatory-retarding equation of mixed type
p. 3-11
Jump boundary-value problem on a contour with elongate singularities
p. 12-16
About four-dimensional left Bol three-webs with the same core
p. 17-25
Homogeneous differential-operator equations in locally convex spaces
p. 26-43
The method of successive approximations for solving quasi-variational Signorini inequality
p. 44-52
On a problem with shift for mixed type equation with two degeneration lines
p. 53-59
Rings of quasi-endomorphisms of some direct sums of torsion-free Abelian groups
p. 60-76
Contact statement of mechanical problems of reinforced on a contour sandwich plates with transversal-soft core
p. 77-85
Two classes of $\tau$-measurable operators affiliated with a von Neumann algebra
p. 86-91
A problem on branchistochrone as invariant variational problem
p. 92-96
On certain nonlinear systems of partial differential equations of the second order
p. 97-100

Sommaire du Fascicule no. 2

Injective objects of the category of stratified spaces
p. 3-13
A maximum of the first eigenvalue of semibounded differential operator with a parameter
p. 14-21
Riemann boundary-value problem for holomorphic matrices on non-rectifiable curve
p. 22-33
Statistical characteristics of continuous functions and statistically weakly invariant sets of controllable system
p. 34-43
Inverse problem for Lavrent'ev--Bitsadze equation connected with the search of elements in right-hand side
p. 44-57
On invariance of functionals and Euler--Lagrange equations corresponding to them
p. 58-64
Grassman image of non-isotropic surface of pseudo-euclidean space
p. 65-75
Canonical frame of a curve on a conformal plane
p. 76-87
Local discrepancies in the problem linear function fractional parts distribution
p. 88-97

Sommaire du Fascicule no. 3

Method of integral transformations in inverse problems of anomalous diffusion
p. 3-14
$N$-extended symplectic connections in almost contact metric spaces
p. 15-23
Differential-geometric structure associated with Lagrangian and its dynamic interpretation
p. 24-36
A.A.~Dezin's problem for inhomogeneous Lavrent'ev--Bitsadze equation
p. 37-50
Harmonic and conformally Killing forms on complete Riemannian manifold
p. 51-57
On asymptotic properties of solutions defined on a half-axis to one semilinear ordinary differential equation
p. 58-67
Full classification of isotopically invariant varieties of analytic loops defined by right identities of length four
p. 68-77
On unique solvability of one nonlinear nonlocal with respect to a gradient solution of a nonstationary problem
p. 78-83
Avkhadiev--Becker type multivalence conditions for harmonic mappings of a disc
p. 84-88
Order estimates of the norms of derivatives of functions with zero values on linear functionals and their applications
p. 89-95

Sommaire du Fascicule no. 4

Polyelement equations which reduce to moment problem for entire functions of class~A
p. 3-7
On global asymptotic stability of the equilibrium of ``predator--prey''~system in varying environment
p. 8-14
Inner derivations of simple Lie pencils of rank~$1$
p. 15-22
Solution of an elliptic optimal control problem with pointwise and nonlocal state constraints
p. 23-34
On local stability of a population dynamics model with three development stages
p. 35-42
The problem with operators of fractional differentiation in boundary condition for mixed-type equation
p. 43-49
A-integrability of sums of certain trigonometric series
p. 50-58
A method of integral equations in nonlinear boundary-value problems for flat shells of the Timoshenko type with free edges
p. 59-75
About a regularized method for solving a constrained pseudoinverse problem
p. 76-83
On distrubution of Grubbs' statistics in case of normal sample with outlier
p. 84-101

Sommaire du Fascicule no. 5

Residually finite $p$-groups of generalized free products of groups
p. 3-10
Nonlocal problem with integral conditions for a system of hyperbolic equations in characteristic rectangle
p. 11-25
On the M.V.~Zaicev problem for a Noetherian special Lie algebras
p. 26-31
Multiplicative convolutions of functions from Lorentz spaces and convergence of series from Fourier--Vilenkin coefficients
p. 32-44
Special variants of collocation method for integral equations in a special case
p. 45-53
Complex spherical semi-designs
p. 54-60
Problem with shift on parallel characteristics for Gellerstedt equation with singular coefficient
p. 61-70
A new approach to solving homogeneous Riemann boundary-value problem on a ray with infinite index
p. 71-76
On use of general Lyapunov function in investigation of stability problem for Takagi--Sugeno systems
p. 77-85
Periodic solutions to nonlinear nonautonomous system of differential equations
p. 86-96
On projective motions of five-dimensional spaces of special form
p. 97-102

Sommaire du Fascicule no. 6

On canonical almost geodesic mappings which preserve the Weyl projective tensor
p. 3-8
On $MP$-closed saturated formations of finite groups
p. 9-17
Step-by-step solving of ordered interpolational problem for Stieltjes functions
p. 18-32
On solving the problems of stability by Lyapunov's direct method
p. 33-43
Marcinkiewicz exponents and a boundary-value jump problem for Beltrami equation
p. 44-51
On a method of holomorphic regularization of singularly perturbed problems
p. 52-59
Necessary and sufficient conditions for power convergence rate of approximations in Tikhonov's scheme for solving ill-posed optimization problems
p. 60-69
Construction of fundamental solutions to $B$-elliptic equations
p. 70-75
Products of $\mathrm{F}^*(G)$-subnormal subgroups of finite groups
p. 76-82
On total preservation of solvability for a controlled Hammerstein type equation with non-isotone and non-majorized operator
p. 83-94

Sommaire du Fascicule no. 7

Perturbation of Hill operator by narrow potentials
p. 3-13
Uniqueness theorem for linear elliptic equation of the second order with constant coefficients
p. 14-18
Hypercomplex numbers in some geometries of two sets. I
p. 19-29
Existence of eigenvalues of operators acting in $L^2(R^n)$
p. 30-40
About complexity of implementing threshold functions
p. 41-49
Nonlocal problem for degenerating hyperbolic equation
p. 50-56
On fixed sign solution to nonhomogeneous equation of mixed parabolic-hyperbolic type of higher order
p. 57-66
On uniqueness of solution to a problems with normal derivatives in boundary conditions for the Boussinesq--Love equation
p. 67-73
Univalent conformal mappings by generalized Christoffel--Schwartz integral onto polygonal domains with countable set of vertices
p. 74-83
Second boundary-value problem in a half-strip for equation of parabolic type with the Bessel operator and Riemann--Liouville derivative
p. 84-93
On maximal quantity of particles of one color in analogs of multicolor urn schemes
p. 94-100

Sommaire du Fascicule no. 8

Estimate of the attraction domain for a class of nonlinear switched systems
p. 3-16
The extension problem for functions with zero weighted spherical means
p. 17-26
On a method of solving the Cauchy problem for one-dimensional polywave equation with singular Bessel operator
p. 27-41
Uniformization of one-parametric families of complex tori
p. 42-52
Keldysh problem for mixed type equation with strong characteristic degeneration and singular coefficient
p. 53-61
Main metric invariants of finite metric spaces.~III
p. 62-66
Polynomials orthogonal in the Sobolev sense, generated by Chebyshev polynomials orthogornal on a mesh
p. 67-79
Well-posedness of conditionally correct integro-differential equations in new pair of non-weighted Sobolev spaces
p. 80-85
Quasi-stationary solution of a problem of electrochemical copying of a cogged surface
p. 86-91
Left-invariant pseudo-Riemannian metrics on four-dimensional Lie groups with nonzero Schouten--Weyl tensor
p. 92-97

Sommaire du Fascicule no. 9

Optimal with respect to the order methods of solving integral equations in special case
p. 3-12
On one boundary-value problem for an equation of higher even order
p. 13-29
To the question on continuous parameterization of spatial figures having an ellipse in a section
p. 30-35
Necessary conditions of the approximability of generalized free products and
p. 36-47
On condition of holomorphic continuations of functions from a boundary of a domain
p. 48-53
Investigation of solutions to one family of mathematical models of living systems
p. 54-68
On one functional-differential quasilinear hyperbolic equation
p. 69-75
Essential spectrum of three-particle discrete operator corresponding to a system of three fermions on a lattice
p. 76-88
Non-uniformly scaled buckling modes of reinforcing elements in fiber reinforced plastic
p. 89-95
Solution of inverse boundary-value problem of aerohydrodynamics in a new statement
p. 96-101

Sommaire du Fascicule no. 10

On composition operators on Hilbert spaces of entire functions
p. 3-7
Partition of a unity on infinite-dimensional manifold of the Lipschitz class~$\mathrm{Lip}^k$
p. 8-14
From the integral estimates of functions to uniform and locally averaged
p. 15-25
Solvability of autonomous differential equation with aftereffect on negative semi-axis
p. 26-37
Linear differential second-order equations in Banach space and splitting of operators
p. 38-49
Two-level iterative method for non-stationary mixed variational inequalities
p. 50-61
Analysis of nonautonomous systems of ordinary differential equations with exponentially periodic matrix
p. 62-69
Simple sandwich algebras
p. 70-74
On determinacy of completely decomposable quotient divisible abelian groups by its endomorphism semigroups
p. 75-82
Functions of the Lipschitz class and summability of Fourier series
p. 83-88
Cocyclic $n$-groups
p. 89-93

Sommaire du Fascicule no. 11

Volterra type integral operators with homogeneous kernels in weighted $L_p$-spaces
p. 3-12
Localization of boundaries for subsets of discontinuity points of noisy function
p. 13-19
Tricomi problem for nonlinear equation of mixed type with functional retarding, advancing and concentrated deviation
p. 20-29
Calculation of Bezout's coefficients for $k$-ary algorithm of greatest common divisor
p. 30-38
A problem with an analog of Frankl condition on the characteristics for Gellerstedt equation with singular coefficient
p. 39-45
On zeros of functions rapidly growing in generalized Bergman spaces
p. 46-59
On power smooth numbers
p. 60-67
On coset-spaces of compact Lie groups by subgrops of corank two
p. 68-77
Nonstationary transversal vibrations of thermoelastic web with a constant velocity motion
p. 78-83

Sommaire du Fascicule no. 12

Rings over which every module is an $I_0^*$-module
p. 3-15
MG-deformations of a surface of positive Gaussian curvature under assignment of variation of any tensor along an edge
p. 16-23
On some functional calculus of closed operators on Banach space. III. Some topics of perturbation theory
p. 24-34
A finite difference method for the numerical solving general third-order boundary-value problem with an internal boundary condition
p. 35-45
The Dirichlet problem for telegraph equation in a rectangular domain
p. 46-56
Multimodular spaces and their properties
p. 57-65
Matrix orthogonal polynomials associated with perturbations of block Toeplitz matrices
p. 66-79
Upper estimate of unreliability of schemes in full finite basis (in $P_2$) for arbitrary faults of gates
p. 80-83
Isomorphisms of formal matrix incidence rings
p. 84-91