Geodesic

Sommaire du Fascicule no. 1

External meniscus on a thin fiber with flattened sides
p. 3-10
On the exceptional set of the sum of a prime number and a fixed degree of a prime number
p. 11-25
A theories of classical propositional logic and counterimages of substitutions
p. 26-29
Equivalence of entropy and renormalized solutions of the anisotropic elliptic problem in unbounded domains with measure data
p. 30-45
Nonlocal inverse problem to find unknown multipliers in right part of Lavrentev--Bitsadze equation
p. 46-63
Problem with nonlocal conditions on parts of the boundary characteristics and on the degeneracy segment for Gellerstedt equation with singular coefficient
p. 64-83
Integro-differential equations over a closed circuit with Gaussian function in the kernel
p. 84-93
The new solution of the inverse boundary value problem of an aerohydrodynamics
p. 94-99

Sommaire du Fascicule no. 2

Integral operators with periodic kernels in spaces of integrable functions
p. 3-9
Extendability of solutions of autonomous polynomial differential systems
p. 10-21
Closed form of solutions of certain linear conjugation problems for three-dimensional analytic vector
p. 22-28
Effective algorithms for computing global and local posterior error estimates of solutions to linear ill-posed problems
p. 29-38
Weighted estimates for commutators of Hausdorff operators on the Heisenberg group
p. 39-62
Stability analysis of nonstationary switched systems
p. 63-73
On the best approximation in the mean of functions of a complex variable by Fourier series in the Bergman space
p. 74-92

Sommaire du Fascicule no. 3

Distribution of the number of square-free divisors in residue classes
p. 3-11
The pursuit problem for linear games with integral constraints on players' controls
p. 12-28
A mixed problem for the heat equation with advanced time in boundary conditions
p. 29-47
On the root-class residuality of certain free products of groups with normal amalgamated subgroups
p. 48-63
On elliptic homogeneous differential operators in grand spaces
p. 64-73
Laplace and Hua Luogeng operators
p. 74-79
Triple Lie systems associated with $(-1,1)$ algebras
p. 80-84
On covering groups
p. 85-91
On changing variables in $L^p$-spaces with distributed-microstructure
p. 92-97
The Radon transform in the scheme C(N)D-inverstigations and the quasi-Monte Carlo theory
p. 98-104

Sommaire du Fascicule no. 4

On the geometry of similarly homogeneous $\mathbb{R}$-trees
p. 3-15
Integral estimates for Laguerre polynomials with exponential weight function
p. 16-25
Some properties of almost abelian Lie algebras
p. 26-42
Darboux system and separation of variables in the Goursat problem for a third order equation in $\mathbb {R}^3$
p. 43-53
Regularization of a nonstandard Cauchy problem for a dynamic Lame system
p. 54-63
The approximation of functions by partial sums of the Fourier series in polynomials
p. 64-73
Numerical methods for solving optimization problems with differential linear matrix inequalities
p. 74-86
Properties and applications of the distance functions on open sets
p. 87-92
The optimal feedback control problem for Voigt model with variable density
p. 93-98

Sommaire du Fascicule no. 5

About the spectral properties of one three-partial model operator
p. 3-10
Coincidence points of two mappings acting from a partially ordered space to an arbitrary set
p. 11-21
Properties of the distance function to strongly and weakly convex sets in a nonsymmetrical space
p. 22-38
Hypercomplex numbers in some geometries of two sets.~II
p. 39-54
A criterion for the sequence of roots of holomorphic function with restrictions on its growth
p. 55-61
Refined orthotropic plate motion equations for acoustasticity problem statement
p. 62-73
Inverse boundary value problem of the plane theory of elasticity
p. 74-82
Principal submodules in the Schwartz module
p. 83-88
Convergence in measure and $\tau$-compactness of $\tau$-measurable operators, affiliated with a semifinite von Neumann algebra
p. 89-93
On Gaussian self-similar random fields on a 2-adic plane
p. 94-99

Sommaire du Fascicule no. 6

An effective programming of GCD Algorithms for natural numbers
p. 3-8
Successive in rank $(n+1,2)$ embedding of dimetric phenomenologically symmetric geometries of two sets
p. 9-14
The Goursat and Cauchy problems for three-dimensional Bianchi equation
p. 15-20
On the Lyapunov type inequality
p. 21-29
On the completeness of products of solutions to the Helmholtz equation
p. 30-35
Discrete-time systems with frequency response of the Markov--Stieltjes type
p. 36-47
Determination of damping properties of an elongated plate with an integral damping coating on the base of studying complex eigenfrequencies
p. 48-64
Approximation of functions of a complex variable by Fourier sums in orthogonal systems in $L_2$
p. 65-72
Local groups and their representations
p. 73-78
Equivalence of weak solvability of initial-boundary value problems for the Jeffreys--Oldroyd and one integro-differential system with memory
p. 79-85
Sectional curvature of connections with vectorial torsion
p. 86-92
On parametric representations of orthogonal and symplectic matrices
p. 93-98
Koch fractal in non-Euclidean geometries
p. 99-103

Sommaire du Fascicule no. 7

On the sum of narrow orthogonally additive operators
p. 3-9
About the reliability of circuits under failures of type $0$ at the outputs of elements in a complete finite basis containing some pairs of functions
p. 10-17
On solvability of conjugation problems with non-ideal contact conditions
p. 18-32
Existence of a solution to the Cauchy problem for the aggregation equation in hyperbolic space
p. 33-44
Diophantine equation generated by the maximal subfield of a circular field
p. 45-55
Sum-difference equation for analytic functions, generated by a hexagon, and its applications
p. 56-62
On technical stability for sets of trajectories of discrete systems
p. 63-75
The Euler summation of numerical series
p. 76-82
Some new congruences modulo $5$ for the general partition function
p. 83-88

Sommaire du Fascicule no. 8

On the structure of alternative bimodules over semisimple artinian algebras
p. 3-10
On the maximum principle for solutions of second order elliptic equations
p. 11-17
Positive invertibility of matrices and exponential stability of impulsive systems of Ito linear differential equations with bounded delays
p. 18-35
A criterion for the $\sigma$-subnormality of a subgroup in a finite $3'$-group
p. 36-43
A problem for a factorized equation with a pseudoparabolic differential operator
p. 44-49
On some nonlinear characteristics of the center of grouping of random variables
p. 50-58
On an initial-boundary value problem which arises in the dynamics of a viscous stratified fluid
p. 59-73
Solution of inverse mixed boundary value problem of aerohydrodynamics for cascade of profiles without additional restrictions
p. 74-80
Isolation from side in $2$-computably enumerable degrees
p. 81-86

Sommaire du Fascicule no. 9

Boundary value problem for system of pseudo-hyperbolic equations of the fourth order with nonlocal condition
p. 3-14
A small intervals theorem for subharmonic functions
p. 15-24
Stabilization for solutions of plate equation with time-varying delay and weak-viscoelasticity in $\mathbb{R}^n$
p. 25-38
Estimation of the region of global stability of the equilibrium state of the logistic equation with delay
p. 39-55
Specificity of Petrov classification of (anti-)self-dual zero signature metrics
p. 56-67
Approximations of conjugate functions by partial sums of conjugate Fourier series with respect to a certain system of Chebyshev~--~Markov algebraic fractions
p. 68-84
On some sequences of polynomials generating the Genocchi numbers
p. 85-95

Sommaire du Fascicule no. 10

General solution of a second-order partial differential equation in a Banach space with potential singular on manifolds
p. 3-11
On the radial symmetry property for harmonic functions
p. 12-23
Dirichlet problem for a singular integro-functional-differential equation of the composite type
p. 24-32
Gellerstedt type problem for the loaded parabolic-hyperbolic type equation with Caputo and Erdelyi-Kober operators of fractional order
p. 33-46
Bifurcations in a delay logistic equation under small perturbations
p. 47-64
Closed-form solvability of a linear conjugation problem for three-dimensional piecewise analytic vector
p. 65-72
Integration of mKdV equation with a self-consistent source in the class of finite density functions in the case of moving eigenvalues
p. 73-85
On stability of one-dimensional movement of viscous material
p. 86-90

Sommaire du Fascicule no. 11

Direct and inverse problems for the simple layer logarithmic potential
p. 3-14
On the continuability of solutions of autonomous differential systems
p. 15-28
Construction of multivariate probability distributions with fully reproducible conditional quantiles
p. 29-45
The first boundary problem with an integral condition for a mixed-type equation with a characteristic degeneration
p. 46-64
To question on some generalizations of properties of cohesion of families of sets and supercompactness of topological spaces
p. 65-80
On a mathematical problem in the theory of Goldstone bosons
p. 81-86
The structure of Lorentzian foliations of codimension two
p. 87-92
Refined nonlinear deformation model of sandwich plates with composite facings and transversal-soft core
p. 93-100

Sommaire du Fascicule no. 12

Existence and uniqueness of positive solution to a boundary value problem for a nonlinear second order functional-differential equation
p. 3-7
Hausdorff operators of special kind in $BMO$-type spaces and H\"older--Lipschitz spaces
p. 8-21
On the relationship between the factorization problem in the Wiener algebra and the truncated Wiener--Hopf equation
p. 22-31
On irrationality measure of some values of $\arctan \frac{1}{n}$
p. 32-40
On the root-class residuality of certain HNN-extensions of groups
p. 41-50
On tail dependence for three-parameter Grubbs' copula
p. 51-73
Combinatorial description of derivations in group algebras
p. 74-81