Geodesic

Sommaire du Fascicule no. 1

A Duality Relation for Unitary Automorphisms in the Spaces of Toeplitz and Hankel Matrices
p. 3-10
Lyapunov Transformation of Differential Operators with Unbounded Operator Coefficients
p. 11-25
An Algorithm for Constructing Multidimensional Continued Fractions and Linear Dependence of Numbers
p. 26-34
Determination of the Jump of a Function of Generalized Bounded Variation from the Derivatives of the Partial Sums of Its Fourier Series
p. 35-41
Contact Lie Form and Concircular Geometry of Locally Conformally Quasi-Sasakian Manifolds
p. 42-54
Homotopy Properties of $\infty$-Simplicial Coalgebras and Homotopy Unital Supplemented $A_\infty$-Algebras
p. 55-77
An Elliott-Type Theorem for Twists of $L$-Functions of Elliptic Curves
p. 78-88
On Laplace Invariants for Equations with Dominating Third-Order Partial Derivative and Two Independent Variables
p. 89-96
Finite Factorizable Groups with Solvable $\mathrm K\mathbb P^2$-Subnormal Subgroups
p. 97-101
Oscillation of the Measure of Irrationality Function in the Multidimensional Case
p. 102-120
On Automorphisms of Irreducible Linear Groups with an Abelian Sylow $2$-Subgroup
p. 121-139
The Axiom of Sasakian Hypersurfaces and Six-Dimensional Hermitian Submanifolds of the Octonion Algebra
p. 140-144
Non-Euclidean Octahedra with $\mathrm{mm}2$-Symmetry
p. 145-148
The Category of Flat Hodge--Tate Structures
p. 149-154
Two Remarks on Matrices over Group Rings
p. 155-157

Sommaire du Fascicule no. 2

Optimal Recovery of Analytic Functions from Boundary Conditions Specified with Error
p. 163-170
Global Solvability of Initial Boundary-Value Problems for Nonlinear Analogs of the Boussinesq Equation
p. 171-180
On Surjective Quadratic Mappings
p. 181-185
Equiconvergence of Expansions in Multiple Fourier Series and in Fourier Integrals with ``Lacunary Sequences of Partial Sums''
p. 186-200
On the Dependence of the Structure of Boundary Layers on the Boundary Conditions in a Singularly Perturbed Boundary-Value Problem with Multiple Root of the Related Degenerate Equation
p. 201-214
Inequalities between Best Polynomial Approximations and Some Smoothness Characteristics in the Space~$L_2$ and Widths of Classes of Functions
p. 215-238
Partial Total Boundedness of Solutions to Systems of Differential Equations with Partly Controlled Initial Conditions
p. 239-247
Conjugate Functions on the Closed Interval and Their Relationship with Uniform Rational and Piecewise Polynomial Approximations
p. 248-261
On the Deficiency Index of the Vector-Valued Sturm--Liouville Operator
p. 262-277
On a Generalization of the Entropy Inequality
p. 278-282
Common Eigenfunctions of Commuting Differential Operators of Rank~$2$
p. 283-287
Independence Numbers of Random Subgraphs of a~Distance Graph
p. 288-297
Estimates of the Averaged Sums of Fractional Parts
p. 298-308
An Inequality for Betti Numbers of Hyper-K\"ahler Manifolds of Dimension 6
p. 309-313
Description of Self-Similar Multipliers in Negative Sobolev Spaces Satisfying the Dirichlet Condition
p. 314-318
Letter to the Editor
p. 319-320

Sommaire du Fascicule no. 3

$C^*$-Algebra of Integral Operators with Homogeneous Kernels and Oscillating Coefficients
p. 323-332
On the Properties of Topological Entropy on a Compact Family of Maps
p. 333-341
When Does the Zero-One $k$-Law Fail?
p. 342-349
Composition Operators of Convolution and Multiplication by a Function
p. 350-360
Inversion of the Cauchy--Bunyakovskii--Schwarz Inequality
p. 361-365
Besicovitch Cylindrical Transformation with a~H\"older Function
p. 366-375
Mineyev--Dicks Proof of the HN-Conjecture and the Euler--Poincar\'e Characteristic
p. 376-383
Classification of Zeta Functions of Bielliptic Surfaces over Finite Fields
p. 384-394
Multidimensional Watson Lemma and Its Applications
p. 395-403
On the Primality Property of Central Polynomials of Prime Varieties of Associative Algebras
p. 404-408
Upper Bounds for the Moduli of Zeros of Hermite--Pad\'e Approximations for a Set of Exponential Functions
p. 409-420
On Multilayer Films on the Boundary of a Half-Space
p. 421-427
The Fourier Coefficients of Continuous Functions with Respect to Certain Orthonormal Systems
p. 428-440
Equitable Colorings of Nonuniform Hypergraphs
p. 441-456
Defect of an Admissible Octahedron in a Centering of an Integer Lattice Generated by a Given Number of Vectors
p. 457-459
On the Relationship Between Nevanlinna and Quadrature Domains
p. 460-464
On the Parabolic Problem of Motion of Thermoviscoelastic Media
p. 465-469
On the First Moment of the Gauss Sum
p. 470-476
Ergodicity Coefficient and Ergodic Properties of Inhomogeneous Markov Chains in Ordered Normed Spaces with a~Base
p. 477-480

Sommaire du Fascicule no. 4

Inequality for a Trace on a Unital $C^*$-Algebra
p. 483-488
On the Multiplicity of Eigenvalues of the Sturm--Liouville Problem on Graphs
p. 489-501
The Hardy--Littlewood Theorem for Multiple Fourier Series with Monotone Coefficients
p. 502-510
Universal Zero-One $k$-Law
p. 511-525
Metrically and Topologically Projective Ideals of Banach Algebras
p. 526-536
On the Complexity of the Family of Convex Sets in $\mathbb R^{d}$
p. 537-549
On the Number of Edges in Induced Subgraphs of a Special Distance Graph
p. 550-558
The Goursat Problem for the Fractional Telegraph Equation with Caputo Derivatives
p. 559-563
Independence Numbers of Random Subgraphs of Distance Graphs
p. 564-573
Approximation by Fourier Means and Generalized Moduli of Smoothness
p. 574-587
The Logarithm of the Modulus of a Holomorphic Function as a Minorant for a Subharmonic Function
p. 588-602
Trigonometric Integrals over One-Dimensional Quasilattices of Arbitrary Codimension
p. 603-612
Spectral Properties of the Hill Operator
p. 613-617
Convergence of Fourier Series with Respect to General Orthonormal Systems
p. 618-622
On Estimates of Solutions to Elliptic Inequalities near a Singular Point
p. 623-625
Helicity is the Only Invariant of Incompressible Flows whose Derivative is Continuous in the $C^1$ Topology
p. 626-630
Inverse and Implicit Function Theorems in the Class of Subsmooth Maps
p. 631-634
On the Surjectivity of Quadratic Stochastic Operators Acting on the Simplex
p. 635-639
Letter to the Editor

Sommaire du Fascicule no. 5

$C^*$-Simplicity of $n$-Periodic Products
p. 643-648
Approximation of Polynomials in the Haar System in Weighted Symmetric Spaces
p. 649-657
On the Algebraic Properties of Solutions of Inhomogeneous Hypergeometric Equations
p. 658-672
On Generalized Bohr--Sommerfeld Quantization Rules for Operators with PT Symmetry
p. 673-683
Fundamental Principle and a Basis in Invariant Subspaces
p. 684-697
The Problem of Approximation in Mean on Arcs in the Complex Plane
p. 698-714
Reconstruction of the Potential of the Sturm--Liouville Operator from a Finite Set of Eigenvalues and Normalizing Constants
p. 715-731
Oscillation, Rotation, and Wandering Exponents of Solutions of Differential Systems
p. 732-751
Estimate of the Norm of the Lagrange Interpolation Operator in the Multidimensional Weighted Sobolev Space
p. 752-763
On the Homogenization Principle in a Time-Periodic Problem for the Navier--Stokes Equations with Rapidly Oscillating Mass Force
p. 764-777
One-Dimensional Schr\"odinger Operator with Unbounded Potential and Point Interactions
p. 778-782
Estimate for the Chromatic Number of Euclidean Space with Several Forbidden Distances
p. 783-787
Differential Operators of Even Order with Distribution Coefficients
p. 788-793
On the Regularity of Solutions of Variational and Boundary-Value Problems in Domains with H\"older Boundary
p. 794-800

Sommaire du Fascicule no. 6

Asymptotic Solutions of a Magnetohydrodynamic System which Describe Smoothed Discontinuities
p. 803-819
Construction of Optimal Ideal Spaces for Cones of Nonnegative Functions
p. 820-831
Jacobi-Type Differential Relations for the Lauricella Function $F_D^{(N)}$
p. 832-847
Bifurcation Analysis of the Motion of a Cylinder and a Point Vortex in an Ideal Fluid
p. 848-854
On the Boundedness of Generalized Solutions of Higher-Order Nonlinear Elliptic Equations with Data from an Orlicz--Zygmund Class
p. 855-866
Decomposition of Spaces of Modular Forms
p. 867-877
On the Divergence of Fourier Series in the Spaces~$\varphi(L)$ Containing~$L$
p. 878-886
Estimate of the Ratio of Two Entire Functions whose Zeros Coincide in the Disk
p. 887-896
Irreducible Characters of Hadamard Algebras
p. 897-903
Asymptotic Equalities for Best Approximations for Classes of Infinitely Differentiable Functions Defined by the Modulus of Continuity
p. 904-920
First Boundary-Value Problem in the Half-Strip for a Parabolic-Type Equation with Bessel Operator and Riemann--Liouville Derivative
p. 921-928
Structure of the Algebra Generated by a Noncommutative Operator Graph which Demonstrates the Superactivation Phenomenon for Zero-Error Capacity
p. 929-932
Nonperiodic Modulus of Smoothness Corresponding to the Riesz Derivative
p. 933-936
Strong Asymptotics of Diagonal Frobenius--Pad\'e Approximants and Nikishin Systems
p. 937-940
On the Asymptotic Normality of a~Harmonic Crystal Coupled to a~Wave Field
p. 941-944
On the Boundedness of the Schr\"odinger Operator in Weighted Sobolev Spaces
p. 945-949
Analogs of the Schauder Theorem that Use Anticompacta
p. 950-953