Geodesic

Sommaire du Fascicule no. 1

Kolmogorov-Type Inequalities for Norms of Riesz Derivatives of Functions of Several Variables with Laplacian Bounded in~$L_\infty$ and Related Problems
p. 3-17
Spectral Analysis of Differential Operators with Unbounded Operator Coefficients in Weighted Spaces of Functions
p. 18-25
Localization for Multiple Fourier Series with ``$J_k$-Lacunary Sequence of Partial Sums'' in Orlicz Classes
p. 26-36
On a Class of Impulsive Functional-Differential Equations with Nonatomic Difference Operator
p. 37-49
Morita Context, Partial Hopf Galois Extensions and Partial Entwining Structure
p. 50-62
On the Density of Polynomials in Some Spaces~$L^2(M)$
p. 63-79
On Commutative Unary Algebras with Totally Ordered Congruence Lattice
p. 80-92
Notes on Several Orthogonal Classes of Flat and $FP$-injective Functors
p. 93-108
Generalizations of Hardy-Type Inequalities in the Form of Dubinskii
p. 109-122
On a Counterexample in Analysis
p. 123-128
On the Dichotomy of Linear Autonomous Systems of Functional-Differential Equations
p. 129-135
On the Finiteness of the Brauer Group of an Arithmetic Scheme
p. 136-149
Comparison of Two Definitions of Besov Classes on Infinite-Dimensional Spaces
p. 150-153
On the Three-Dimensional Vahlen Theorem
p. 154-156

Sommaire du Fascicule no. 2

On an Algebra of Multidimensional Integral Operators with Homogeneous-Difference Kernels
p. 163-169
On Bases with Unreliability Coefficient~$2$
p. 170-201
On Stability in Hamiltonian Systems with Two Degrees of Freedom
p. 202-208
A Central Limit Theorem for Integrals with Respect to Random Measures
p. 209-221
Unique Solvability of Singularly Perturbed Boundary-Value Problems with Unstable Spectrum of the Limit Operator
p. 222-226
Conservation of Hyperbolic Tori in Hamiltonian Systems
p. 227-233
Isometric Embeddings of Locally Euclidean Metrics in~$\mathbb R^3$ as Conical Surfaces
p. 234-247
The Behavior of Solutions of the Nonlinear Biharmonic Equation in an Unbounded Domain
p. 248-256
Estimates of the Dirichlet Kernel and Divergent Fourier Series in the Walsh--Kaczmarz System
p. 257-270
On Tur\'an's $(3,4)$-Problem with Forbidden Subgraphs
p. 271-281
Approximation of Mixing Transformations
p. 282-299
On SS-Quasinormal and S-Quasinormally Embedded Subgroups of Finite Groups
p. 300-311
Double Exponential Lower Bound for the Number of Representations of Unity by Egyptian Fractions
p. 312-316
Sufficient Discreteness Conditions for Subgroups of $\textrm{PSL}(2,\mathbb C)$ Generated by an Involution and a Nonparabolic Element
p. 317-320

Sommaire du Fascicule no. 3

Quasirecognition by Prime Graph of $^2D_{n}(3^\alpha)$ where $n=4m+1\ge 21$ and~$\alpha$ is Odd
p. 323-334
Criteria for the Existence of an Invariant Measure for Groups of Homeomorphisms of the Line
p. 335-339
On the Nonlinear Poisson Bracket Arising in Nonholonomic Mechanics
p. 340-349
On the Deformation Method of Study of Global Asymptotic Stability
p. 350-358
Homogenization in the Problem of Long Water Waves over a Bottom Site with Fast Oscillations
p. 359-375
Ore Extensions of Hopf Coquasigroups
p. 376-384
Almost Split Sequences of the Quantum Double of a Finite Group
p. 385-399
Analytic Wavelets in Multiply Connected Domains with Circular Boundaries
p. 400-416
Asymptotics of the Spectrum and Eigenfunctions of the Magnetic Induction Operator on a Compact Two-Dimensional Surface of Revolution
p. 417-432
$L_p$-Inequalities for Differences and Derivatives of Positive Order for Functions with Spectrum in the Ball or Spherical Layer
p. 433-444
The Estermann Cubic Problem with Almost Equal Summands
p. 445-456
Prym Differentials on a Variable Compact Riemann Surface
p. 457-474
Differential Equation for the Four-Point Correlator
p. 475-478
On the Asymmetry of the Past and the Future of the Ergodic $\mathbb{Z}$-Action
p. 479-480

Sommaire du Fascicule no. 4

The Hopfian Property of $n$-Periodic Products of Groups
p. 483-491
On the Structural Properties of the Weight Space~$L_{p(x),\omega}$ for $0 p(x)1$
p. 492-506
On the Spectrum of Well-Defined Restrictions and Extensions for the Laplace Operator
p. 507-516
On~$\mathrm K$-$\mathbb P$-Subnormal Subgroups of Finite Groups
p. 517-528
The Number of Attractors in Dymamical Systems Associated with Cycles
p. 529-537
A Four-Dimensional Simple Algebra with Fractional PI-Exponent
p. 538-553
Naturalness of the Class of Lebesgue--Borel--Hausdorff Measurable Functions
p. 554-563
Boundary Behavior of Orlicz--Sobolev Classes
p. 564-576
Pseudosymmetric Equations in a Free Monoid
p. 577-589
On the Rate of Approximation of Singular Functions by Step Functions
p. 590-604
On the Residual $\pi$-Finiteness of Generalized Free Products of Groups
p. 605-614
Blow-Up in Systems with Nonlinear Viscosity
p. 615-629
A Generating Function for $\sigma(3n-1)$
p. 630-634
On a Special Orthogonal Decomposition of the Space~$L^2(0,1)$
p. 635-637
On the Exponential Rate of Convergence in the Birkhoff Ergodic Theorem
p. 638-640

Sommaire du Fascicule no. 5

On Finite Groups with Relatively Large Centralizers of Invariant Subgroups
p. 643-650
Splitting Automorphisms of Order~$p^k$ of Free Burnside Groups are Inner
p. 651-655
Isoperimetric Inequality for Curves with Curvature Bounded Below
p. 656-665
Mean Approximation of Functions on the Real Axis by Algebraic Polynomials with Chebyshev--Hermite Weight and Widths of Function Classes
p. 666-684
On Certain Identities for Ratios of Theta-Functions and Some New Modular Equations of Mixed Degree
p. 685-696
A Class of Affinely Equivalent Voronoi Parallelohedra
p. 697-707
A Method for Finding the Fixed Vector of a Stochastic Operator
p. 708-717
Mappings by the Solutions of Second-Order Elliptic Equations
p. 718-733
Estimates of the Approximation Characteristics of the Classes~$B^{\Omega}_{p,\theta}$ of Periodic Functions of Several Variables with Given Majorant of Mixed Moduli of Continuity
p. 734-749
Multiple Walsh Series and Zygmund Sets
p. 750-762
Short Sums with a Noninteger Power of a Natural Number
p. 763-774
On Solutions of Emden--Fawler-type Equations
p. 775-789
Convergence-Preserving Maps and Fixed-Point Theorems
p. 790-794
A Non-Finitely-Based Variety of Centrally Metabelian Pointed Groups
p. 795-797
Two-Dimensional Finite-Gap Schr\"odinger Operators with Elliptic Coefficients
p. 798-800

Sommaire du Fascicule no. 6

The Resonance Theorem for Subspaces
p. 803-811
A Generalization of Bonnet's Theorem on Darboux Surfaces
p. 812-820
On Invariant Sub-Riemannian Structures on Compact Homogeneous Spaces with Discrete Stationary Subgroup
p. 821-829
On $n$-Term Approximations with Respect to Frames Bounded in $L^p(0,1)$, $2$
p. 830-835
On the Convergence of Series in Spaces of Integrable Functions
p. 836-841
Generic Structure of the Lagrangian Manifold in Chattering Problems
p. 842-853
Interior Klein Polyhedra
p. 854-866
Some Extremal Properties of the Variety of Leibniz Algebras Left Nilpotent of Class at Most Three
p. 867-877
The Samarskii Problem for the Fractal Diffusion Equation
p. 878-883
Bases of Exponentials in Weighted Spaces Generated by Zeros of the Fourier--Stieltjes Transform
p. 884-898
A Direct Theorem of Approximation Theory for a General Modulus of Smoothness
p. 899-910
On Nonoscillating Solutions of Emden--Fowler-Type Equations
p. 911-925
Betti and Tachibana Numbers
p. 926-936
Euclidean Modules
p. 937-946
On the Stability of the Equilibrium Position of an Oscillator under Periodic Perturbations
p. 947-950
Conjugation Invariants on the Group of Area-Preserving Diffeomorphisms of the Disk
p. 951-954