Geodesic

Sommaire du Fascicule no. 1

Quality of Approximation by Fourier Means in Terms of General Moduli of Smoothness
p. 3-11
Integration of Functions Ranging in Complex Riesz Space and Some Applications in Harmonic Analysis
p. 12-26
The Green Function of the Discrete Finite-Gap One-Energy Two-Dimensional Schr\"odinger Operator on the Quad Graph
p. 27-43
Uniform Convergence and Integrability of Multiplicative Fourier Transforms
p. 44-60
Goursat's Lemma in the Context of Banach Algebras
p. 61-75
Unitary Automorphisms of the Space of Hankel Matrices: II. The Case of Even Order
p. 76-84
Dynamics of the Logistic Equation with Delay
p. 85-100
Chain Realization of Differential Modules with $\infty$-Simplicial Faces and the $B$-Construction over $A_\infty$-Algebras
p. 101-124
Completely Decomposable Quotient Divisible Abelian Groups with~$\mathrm{UA}$-Rings of Endomorphisms
p. 125-133
Regularized Trace of the Dirac Operator
p. 134-146
The Saturation Regime of Meixner Polynomials and the Discrete Bessel Kernel
p. 147-151
The Discrete Heisenberg Group and Its Automorphism Group
p. 152-155
On the Coefficients of Fourier Series Convergent in~$L$
p. 156-157

Sommaire du Fascicule no. 2

Optimal Recovery of Harmonic Functions in the Ball from Inaccurate Information on the Radon Transform
p. 163-172
Differential Substitutions for Vectorial Generalizations of the mKdV Equation
p. 173-179
An Example of a Nonlinearizable Quasicyclic Subgroup in the Automorphism Group of the Polynomial Algebra
p. 180-186
Blow-Up of Solutions of Some Nonlinear Inequalities with Singularities on Unbounded Sets
p. 187-195
Some Trigonometric Polynomials with Extremally Small Uniform Norm
p. 196-203
On the Critical Points of the Kolmogorov Mean with Constraints on the Mean of the Arguments
p. 204-220
An Example of a Compact Space of Uncountable Character for Which the Space $\exp_n(X)\setminus X$ is Normal
p. 221-229
Degrees of Irreducible Characters and Dimensions of Hadamard Algebras
p. 230-236
Finite Groups with Large Irreducible Character
p. 237-246
On Effective $\sigma$-Boundedness and $\sigma$-Compactness in Solovay's Model
p. 247-257
Representation of Real Normal $(T+H)$ Matrices in the Case where the Skew-Symmetric Parts of both Summands are Skew-Circulant Matrices
p. 258-270
On the Mean Value of the Measure of Irrationality of Real Numbers
p. 271-287
Iterations of Resolvents and Homogeneous Cut-Point Spaces
p. 288-299
On the Application of Variational Inequalities to the Dynamics of Systems with Friction
p. 300-302
Asymptotically Sharp Markov-Type Inequalities for Trigonometric and Algebraic Polynomials
p. 303-307
On the Continuity of Finite Sums of Ridge Functions
p. 308-309
On the Orthogonality of a System of Shifts of the Scaling Function on Vilenkin Groups
p. 310-313
On Lagrangian Spheres in the Flag Variety $F^3$
p. 314-317
A Generalization of an Identity for Integrals of Hypergeometric Type
p. 318-320

Sommaire du Fascicule no. 3

Central Elements of the Universal Enveloping Algebra and Functions of Matrix Elements
p. 323-336
Concerning the Theory of $\tau$-Measurable Operators Affiliated to a Semifinite von~Neumann Algebra
p. 337-348
Bounds for the Extremal Index of Stochastic Recurrent Sequences
p. 349-355
Solving Polynomial Systems in Integers
p. 356-371
Residually Finite Algorithmically Finite Groups, Their Subgroups and Direct Products
p. 372-377
Isometric Embeddings in~$\mathbb{R}^3$ of an Annulus with a Locally Euclidean Metric which Are Multivalued of Cylindrical Type
p. 378-385
An Exact Solution of the Space Charge Problem for the Motion of a Spherically Symmetric Beam in a Homogeneous Electric Field
p. 386-392
Boundary-Value Problem with Nonlocal Integral Condition for Mixed-Type Equations with Degeneracy on the Transition Line
p. 393-406
Finite Groups Factorizable by Generalized Subnormal Subgroups of Coprime Indices
p. 407-413
On the Local Existence of Solutions of Equations with Memory not Solvable with Respect to the Time Derivative
p. 414-426
Finding Roots of Nonlinear Equations Using the Method of Concave Support Functions
p. 427-435
Problem of the Propagation of Waves in an Inhomogeneous Medium with Memory
p. 436-447
Global Unsolvability of One-Dimensional Problems for Burgers-Type Equations
p. 448-462
On Special First-Type Almost Geodesic Mappings of Affine Connection Spaces Preserving a Certain Tensor
p. 463-466
Remarks on Minorants of Laplacians on a Geometric Graph
p. 467-469
Lov\'asz' Theorem on the Chromatic Number of Spheres Revisited
p. 470-471
Complexity Functions of Varieties of Leibniz Algebras with Nilpotent Commutator Subalgebra
p. 472-475
On an Inverse Problem for Quasiperiodic Differential Pencils with Jump Conditions inside the Interval
p. 476-480

Sommaire du Fascicule no. 4

Fuglede--Putnam Theorem in Algebras with Involutions
p. 483-497
Embedding of Sobolev Space in the Case of the Limit Exponent
p. 498-510
Generalized Smoothness Characteristics in Jackson-Type Inequalities and Widths of Classes of Functions in~$L_2$
p. 511-529
Direct and Inverse Theorems on the Approximation of Functions by Fourier--Laplace Sums in the Spaces $S^{(p,q)}(\sigma^{m-1})$
p. 530-543
Automorphisms of Riemann--Cartan Manifolds
p. 544-556
Identities for Multiple Integrals
p. 557-564
On Best Convergence of Series in the Systems $\varphi(nx)$
p. 565-569
On Two-Dimensional Sums and Differences
p. 570-589
Limit Theorems for an~Infinite-Server Queuing System
p. 590-605
Estimates of Trigonometric Sums over Subgroups and Some of Their Applications
p. 606-625
Simple Proof of the Theorem on the Lifting of Vector Fields
p. 626-629
Spectral Analysis of Integro-Differential Equations in Viscoelasticity and Thermal Physics
p. 630-634
Exact Values of Constants in the Generalized Triangle Inequality for Some $(1,q_2)$-Quasimetrics on Canonical Carnot Groups
p. 635-639
Letter to the Editor

Sommaire du Fascicule no. 5

Quantitative Expressions for the Connectedness of Sets in~${\mathbb R}^n$
p. 643-650
On a Remarkable Sequence of Bessel Matrices
p. 651-663
On the Monge--Kantorovich Problem with Additional Linear Constraints
p. 664-683
On the Sharpness of Jackson's Inequality in the Spaces~$L_p$ on the Half-Line with Power Weight
p. 684-694
Lyapunov Functions in Justification Theorems for Asymptotics
p. 695-709
On the Solvability of the Inverse Problem for Determining the Right-Hand Side of a Degenerate Parabolic Equation with Integral Observation
p. 710-724
On Hyperarithmetical Realizability
p. 725-746
Just Infinite Alternative Algebras
p. 747-755
Spectral Sequence and Finitely Presented Dimension for Weak Hopf--Galois Extensions
p. 756-768
Generalization of the Law of the Iterated Logarithm for Associated Random Fields
p. 769-781
On the Parametrization of a Certain Algebraic Curve of Genus~2
p. 782-785
Uniqueness Theorems for Series in the Franklin System
p. 786-789
Finite-Rank Vector Bundles on Complete Intersections of Finite Codimension in the Linear Ind-Grassmannian
p. 790-793
Countable Paracompactness and Normal Functors
p. 794-796
On Uniform Approximation on Subsets
p. 797-800

Sommaire du Fascicule no. 6

A Seven-Dimensional Family of Simple Harmonic Functions
p. 803-808
The Emergence of Eigenvalues of a $\mathcal{PT}$-Symmetric Operator in a Thin Strip
p. 809-823
Unitarily Invariant Ergodic Matrices and Free Probability
p. 824-831
Asymptotics of the Solutions of the Sturm--Liouville Equation with Singular Coefficients
p. 832-841
Boundary-Value Problems for the Schr\"odinger Equation with Rapidly Oscillating and Delta-Liked Potentials
p. 842-852
Existence and Stability of Solutions with Boundary Layers in Multidimensional Singularly Perturbed Reaction-Diffusion-Advection Problems
p. 853-864
Schwarzian Derivative and Covering Arcs of a Pencil of Circles by Holomorphic Functions
p. 865-871
Spectral Trace Formula for Local Fields
p. 872-877
Exchanged Toric Tilings, Rauzy Substitution, and Bounded Remainder Sets
p. 878-897
Torsion-Free Modules with $\mathrm{UA}$-Rings of Endomorphisms
p. 898-906
On Optimal Banach Spaces Containing a Weight Cone of Monotone or Quasiconcave Functions
p. 907-922
Attainment of Maximum Cube-to-Linear Ratio for Three-Dimensional Peano Curves
p. 923-929
On Continuous Restrictions of Measurable Multilinear Mappings
p. 930-936
Entropy Numbers of Embedding Operators for Weighted Sobolev Spaces
p. 937-940
On the Horizontal Distribution of Zeros of the Functions~$\operatorname{Re} \zeta(s)$ and~$\operatorname{Im}\zeta(s)$
p. 941-943
On Solutions of the Neumann Problem for the Biharmonic Equation in Unbounded Domains
p. 944-947
Quantitative Estimates of Characteristics for Hypergraphs of Large Girth and Large Chromatic Number
p. 948-951
Smoothness of Solutions of the Dirichlet Problem for the Biharmonic Equation in Nonsmooth 2D Domains
p. 952-954