Geodesic

Sommaire du Fascicule no. 1

Regular semiartinian rings
p. 3-11
Holomorphic continuation of functions from closed hypersurfaces with singular edges
p. 12-21
Fomenko--Zieschang invariants of integrable systems with symplectic singularities
p. 22-30
The Delaunay triangulation for multidimensional surfaces and its approximative properties
p. 31-39
On tracking solutions of parabolic equations
p. 40-48
Estimation of the norm of an operator inverse to a~differential one
p. 49-53
Application of the Riemann method to a~factorized equation in an $n$-dimensional space
p. 54-60
A problem with a~Frankl condition on the boundary of the ellipticity domain for the Gellerstedt equation with a~singular coefficient
p. 61-66
Coefficients of convergent multiple Haar series
p. 67-71
Problems with shifts for mixed elliptic-hyperbolic equations
p. 72-82
Foliations associated with the structure of a~manifold over a~Grassman algebra of even degree exterior forms
p. 83-86
The determinability of compacts by lattices of ideals and congruencies of semirings of continuous $[0,1]$-valued functions on them
p. 87-91
Three classes of Weitzenb\"ock manifolds
p. 92-95
News of mathematical life

Sommaire du Fascicule no. 2

Uniform convergence of the rectangle method for singular integral equation with the H\"older density
p. 3-12
Reliability of nonbranching programs in an arbitrary complete finite basis
p. 13-22
The canonical structure of a~pencil of degenerate matrix functions
p. 23-33
The first-approximation stability of a~nonstationary system with delay
p. 34-42
Three-webs $W(1,n,1)$ and associated systems of ordinary differential equations
p. 43-56
The optimal quasi-stationary motion of a~vibration-driven robot in a~viscous medium
p. 57-64
Triangulation of $n$-tuple solvable Lie algebras
p. 65-69
One nonlocal problem of determination of the temperature and density of heat sources
p. 70-75
Analogs of Lorentz theorems for double multiplicative systems
p. 76-85
Block projection operators in normed solid spaces of measurable operators
p. 86-91
One class of singular linear functional differential equations
p. 92-96

Sommaire du Fascicule no. 3

A generalization of the universality of power lacunary series
p. 3-8
Types of maximally noninteger vertices of the relaxation polyhedron of the four-index axial assignment problem
p. 9-16
Distribution of points of one-dimensional quasilattices with respect to a~variable module
p. 17-23
Finite rings with complete bipartite zero-divisor graphs
p. 24-30
Bisectorial operator pencils and the problem of bounded solutions
p. 31-41
Some properties of analytic in a~disc functions and their applications to study of behaviour of singular integrals
p. 42-50
Nonholonomic torses of the first kind
p. 51-61
A majorant-minorant criterion for the total preservation of global solvability of a~functional operator equation
p. 62-73
The $R$-observability and $R$-controllability of linear algebraic-differential systems
p. 74-91
The unique solvability of a~certain nonlocal nonlinear problem with a~spatial operator strongly monotone with respect to the gradient
p. 92-95
Ranges of $\eta$-functions of $\eta$-like linear orderings
p. 96-99
News of mathematical life

Sommaire du Fascicule no. 4

A nonlocal problem for a~first-order partial differential equation
p. 3-11
The Szeg\"o function on a~non-rectifiable arc
p. 12-23
A rearrangement formula for a~singular Cauchy--Szeg\"o integral in a~ball from~$\mathbb C^n$
p. 24-32
Integral bounds for simple partial fractions
p. 33-45
One sufficient condition for Hamiltonian graphs involving distances
p. 46-52
Formation of nonsmoothness lines in optimization of screw pairs in screw pumps
p. 53-64
The boundary value problem for degenerate ultraparabolic equations of the Sobolev type
p. 65-73
Boundary value problems for a~hyperbolic equation with nonlocal conditions of the~I and II~kind
p. 74-83
The Berger--Ebin theorem and harmonic maps and flows
p. 84-89
3D circular shapes and curve skeletons
p. 90-99

Sommaire du Fascicule no. 5

On the asymptotic stability of solutions of a~class of systems of nonlinear differential equations with delay
p. 3-12
Some estimates for the least power of identities of subspaces $M_1^{(m,k)}(F)$ of the matrix superalgebra $M^{(m,k)}(F)$
p. 13-27
Method of semidefinite Lyapunov functions for systems of nonautonomous differential equations
p. 28-39
Implicit algebraic geometry of universal algebras
p. 40-45
One class of simultaneous pursuit games
p. 46-55
Double $SO(2,1)$-integrals and formulas for Whittaker functions
p. 56-66
The unique solvability of one class of multiplicative convolution equations
p. 67-71
Time localization of Alpert multiwavelets
p. 72-74

Sommaire du Fascicule no. 6

Absolute convergence of double series of Fourier--Haar coefficients for functions of bounded $p$-variation
p. 3-13
Stability of an operator-difference scheme for thermoelasticity problems
p. 14-23
Application of the Almansi formula for constructing polynomial solutions to the Dirichlet problem for a~second-order equation
p. 24-35
Some cases of efficient factorization of second-order matrix functions
p. 36-43
One class of $C^*$-algebras generated by a~family of partial isometries and multiplicators
p. 44-55
Integrodifferential equations in viscoelasticity theory
p. 56-60
The behavior of a~singular integral with the Hilbert kernel near a~point where the density of the integral is weakly continuous
p. 61-66
On the A.\,M.~Bikchentaev conjecture
p. 67-70

Sommaire du Fascicule no. 7

The boundedness and the Fredholm property of integral operators with anisotropically homogeneous kernels of compact type and variable coefficients
p. 3-17
The Jacobson radical of the endomorphism ring of a~torsion-free abelian group
p. 18-20
On the Kolmogorov theorems on Fourier series and conjugate functions
p. 21-34
The asymptotic behavior of solutions of a~certain nonlinear Volterra equation
p. 35-44
Isoperimetric inequality for torsional rigidity in multidimensional domains
p. 45-49
A priori estimates of solutions of boundary value problems in a~band for a~class of degenerate elliptic equation of higher order
p. 50-53
An approach for computing eigenvalues of discrete symplectic boundary value problems
p. 54-59
Convergence of Fourier sums by polynomials orthogonal on arbitrary lattice
p. 60-62
On solving the optimization problem for chemotherapy process in terms of the maximum principle
p. 63-67
News of mathematical life

Sommaire du Fascicule no. 8

Geometrical properties of point correspondences of three conformal spaces
p. 3-14
The weighted $L^1$-integrability of functions and the Parseval equality with respect to multiplicative systems
p. 15-26
Special versions of the collocation method for a~class of integral equations of the third kind
p. 27-33
An analog of the Cook theorem for polytopes
p. 34-42
A problem with the Frankl and Bitsadze--Samarskii condition on the line of degeneracy and on parallel characteristics for a~mixed-type equation
p. 43-52
Optimal control in chemical fractionation problem
p. 53-57
A non-homogeneous regularized problem of dynamics of viscoelastic continuous medium
p. 58-64

Sommaire du Fascicule no. 9

Completeness of subsystems of Faber polynomials
p. 3-7
On scalarization of vector optimization type problems
p. 8-18
Normally flat $\mathrm{Ric}$-semisymmetric submanifolds in Euclidean spaces
p. 19-31
A combined Tricomi problem and a~problem with a~shift for the Gellerstedt equation
p. 32-46
Symbol of type and the Wilson theorem
p. 47-53
Periodic dyadic wavelets and coding of fractal functions
p. 54-65
Solvability of a~connected thermoelasticity problem for three-layer shells
p. 66-71
A class of controls for a~functional-differential continuous-discrete system
p. 72-76

Sommaire du Fascicule no. 10

Linear relations generated by an integral equation with Nevanlinna operator measure
p. 3-19
Counting functions of zeros of analytic functions in spaces with mixed norm
p. 20-31
A nonlocal problem for a~hyperbolic equation with integral conditions of the 1st kind with time-dependent kernels
p. 32-44
Representation of attraction elements in abstract attainability problems with asymptotic constraints
p. 45-59
Abelian groups with nilpotent commutators of endomorphisms
p. 60-73
Finite-dimensional simple Lie algebras with a~subalgebra lattice of length~3
p. 74-78

Sommaire du Fascicule no. 11

The least degree of identities in the subspace $M_1^{(m,k)}(F)$ of the matrix superalgebra~$M^{(m,k)}(F)$
p. 3-19
Two comparison criteria for scalar Riccati equations and their applications
p. 20-35
$P$-geodesic transformations induced by infinitesimal holomorphically projective transformations of K\"ahler manifolds
p. 36-50
Minimal surfaces with constraints of inequality type
p. 51-59
Rosenthal type inequalities for martingales in symmetric spaces
p. 60-66
A homogeneous Hilbert problem with discontinuous coefficients and two-side curling at infinity of order~$1/2\leq\rho1$
p. 67-71
A $(3,3)$-homogeneous quantum logic with~$18$ atoms.~I
p. 72-78

Sommaire du Fascicule no. 12

Overlapping iterated function systems on a~segment
p. 3-15
Projective-differential properties of point correspondences between three hypersurfaces
p. 16-29
The Zipf law for random texts with unequal letter probabilities and the Pascal pyramid
p. 30-33
Inhomogeneous convex approximations of nonsmooth functions
p. 34-50
A Stinespring type representation for operators in Hilbert modules over local $C^\star$-algebras
p. 51-58
A problem with generalized fractional integro-differentiation operator of an arbitrary order
p. 59-71
The distribution of the maximum likelihood-ratio statistic used for testing a~normal sample for three outliers
p. 72-83
Inverse boundary value problems in the Cauchy statement for harmonic functions
p. 84-89
One nonlinear variational problem of the theory of cavitating profiles
p. 90-96