Geodesic

Sommaire du Fascicule no. 1

Geometrical Characterization of Strict Suns in $\ell^\infty(n)$
p. 3-11
$m$-Reducibility with Upper and Lower Bounds for the Reducing Functions
p. 12-21
The Cohen--Lusk Conjecture
p. 22-26
On Some Automorphisms of Orthogonal Groups in Odd Characteristic
p. 27-37
On the Similarity of Perturbed Multiplication Operators
p. 38-45
Nonstandard Set Theory in $\in$-Language
p. 46-50
On the Necessity of the Lindeberg Condition for the Normal Convergence of Martingales
p. 51-58
Nondigital Implementation of the Arithmetic of Real Numbers
p. 59-67
On the Hilbert Transform in Bergman Space
p. 68-78
On a Question of M.~Conder
p. 79-87
A Nonlocal Problem with Integral Conditions for the Quasilinear Hyperbolic Equation
p. 88-95
Smooth Equivalence and Linearization of Reversible Systems
p. 96-108
Several Formulas for the First Regularized Trace of Discrete Operators
p. 109-122
Approximation of Smooth Functions and Constants by Polynomials with Integer and Natural Coefficients
p. 123-136
Stable Subsets and the Existence of a Unit in (Semi)-Prime Rings
p. 137-145
Quasiclassics and Spectra for the $N$-Particle Schr\"odinger Equation
p. 146-149
On a Family of Solvable Multiparticle Schr\"odinger Equations with Pair Potential
p. 150-154
A Lower Bound for Pseudodimension in Terms of Topological Dimension
p. 155-156

Sommaire du Fascicule no. 2

Geometric Difference of Multivalued Maps
p. 163-169
Nonnegative Solutions to Systems with Symmetric Circulant Matrix
p. 170-180
Topological Equivalence of Local Singularities of Particular Type for Dynamical Systems with Shock Interactions
p. 181-194
Point-Invariant Classes of Third-Order Ordinary Differential Equations
p. 195-200
On a Multiperson Pursuit Problem with Integral Constraints on the Controls of the Players
p. 201-212
Stability Criteria for Solutions of Systems of Linear Deterministic or Stochastic Delay Difference Equations with Continuous Time
p. 213-229
Invertibility of an Operator Appearing in the Control Theory for Linear Systems
p. 230-236
Jorke's Theorem and Wirtinger's Inequality
p. 237-245
On the Relation between the Nonconvexity of a Set and the Nonconvexity of Its $\varepsilon$-Neighborhoods
p. 246-259
On Infinite--Finite Inequalities Related to the Laguerre Weight
p. 260-269
Bezout Rings, Polynomials, and Distributivity
p. 270-288
On Right Symmetric and Novikov Nil-Algebras of Bounded Index
p. 289-295
Variational Inequalities for Navier--Stokes Type Operators and One-Sided Problems for Equations of Viscous Heat-Conducting Fluids
p. 296-307
Integral Norms of Trigonometric Polynomials
p. 308-315
Coercive Estimates
p. 316-320

Sommaire du Fascicule no. 3

The Correction Theorem for Anisotropic Spaces
p. 323-333
On Best Polynomial Approximations in $L_2$
p. 334-345
On the Asymptotic Integration of Quasilinear Differential Equations
p. 346-355
$U$-Convergence of Fourier Series with Monotone and with Positive Coefficients
p. 356-365
Regularity Criterion for Complete Matrix Semirings
p. 366-374
Integrability of Solutions of Nonlinear Elliptic Equations with Right-Hand Sides from Classes Close to $L^1$
p. 375-385
Boundary Properties of Solutions to Second-Order Parabolic Equations in Domains with Special Symmetry
p. 386-402
The Exterior Dirichlet Problem for the Biharmonic Equation: Solutions with Bounded Dirichlet Integral
p. 403-418
The Groups $LS$ and Morphisms of Quadratic Extensions
p. 419-424
Locality of Quadratic Forms for Point Perturbations of Schr\"odinger Operators
p. 425-433
The Cauchy Problem for the Average Field Equation Describing a Model of a Magnetic Solid
p. 434-445
IA-Automorphisms of Metabelian Products of Two Abelian Groups
p. 446-457
Optimal Solution Space and Regularization of Equations with Discontinuities in the Space Variables
p. 458-467
Inverse Problems of Spectral Analysis and Carleson Interpolation
p. 468-471
One of the Eight Numbers $\zeta(5),\zeta(7),\dots,\zeta(17),\zeta(19)$ Is Irrational
p. 472-476
On the Relationship between the Multidimensional Dirichlet Divisor Problem and the Boundary of Zeros of $\zeta(s)$
p. 477-480

Sommaire du Fascicule no. 4

On the Dimension of Nilpotent Algebras
p. 483-490
A Mathematical Model of Resonance Scattering
p. 491-502
A Cubic Model of a Real Variety
p. 503-519
Two-Parameter Asymptotics in a Boundary-Value Problem for the Laplacian
p. 520-534
On Linearized Poisson Structures
p. 535-543
On a Class of Operator Equations
p. 544-552
Approximation by Simplest Fractions
p. 553-559
Invariant and Hyperinvariant Subspace Lattices of Operators $J^\alpha\otimes B$ in Sobolev Spaces
p. 560-567
Spectral Analysis of Certain Self-Adjoint Differential Operators in a Space with Indefinite Metric
p. 568-580
Implementation of the Sparr Interpolation Method in Classes of Spaces of Smooth Functions
p. 581-590
An Equation in a Free Group Defining Pure Braids
p. 591-602
Maximal and Sylow Subgroups of Solvable Finite Groups
p. 603-612
Uniform Convergence of Trigonometric Series with Rarely Changing Coefficients
p. 613-620
On the Growth of Entire Functions of Exponential Type near a Straight Line
p. 621-635
Lower Bounds for $n$-Term Approximations
p. 636-638
On Hardy and Bellman Transformations for Orthogonal Fourier Series
p. 638-640

Sommaire du Fascicule no. 5

Regular Semigroups of Endomorphisms of von Neumann Factors
p. 643-659
Averaging for Hamiltonian Systems with One Fast Phase and Small Amplitudes
p. 660-669
Special Elements of the Lattice of Overcommutative Varieties of Semigroups
p. 670-678
On a Property of Functions on the Sphere
p. 679-690
Universal Margin Factors and Selection Criteria in Variable Environment
p. 691-704
Some Conditions for the Embeddability of Semigroups in Groups
p. 705-717
Cotangent Bundle over Projective Space and the Manifold of Nondegenerate Null-Pairs
p. 718-735
Periodic Abelian Groups with $UA$-Rings of Endomorphisms
p. 736-741
Exact Inclusions of Gehring Classes in Muckenhoupt Classes
p. 742-750
An Asymptotic Series for the Weber--Schafheitlin Integral
p. 751-757
On a Characterization of Spaces of Differentiable Functions
p. 758-768
General Linear Transformations of Hypergeometric Functions
p. 769-779
A Criterion for Contiguity of Quasiconcave Functions
p. 780-786
Exact Non-Self-Similar Solutions of the Equation
p. 787-792
Chaplygin's Ball Rolling Problem Is Hamiltonian
p. 793-795
Lower Bounds for the Maximum Modulus of $\zeta(s)$ in Small Domains of the Critical Strip
p. 796-797
Conformal Mapping of Orthogonal Surfaces in $E^{2n}$
p. 798-800

Sommaire du Fascicule no. 6

On the Fourier--Haar Coefficients of Functions of Several Variables with Bounded Vitali Variation
p. 803-814
Feynman's Operational Calculi for Noncommuting Systems of Operators: Tensors, Ordered Supports, and Disentangling an Exponential Factor
p. 815-838
First Integrals of Groups of Complex Linear Transformations and of Natural Mechanical Systems with Homogeneous Potential
p. 839-844
The Frobenius Problem for Classes of Polynomial Solvability
p. 845-853
Coherent Transforms and Irreducible Representations Corresponding to Complex Structures on a Cylinder and on a Torus
p. 854-874
Some Generalizations of the Notion of Length
p. 875-881
Convergence of Walsh Series in Near-$L^\infty$ Spaces
p. 882-889
Mean Values of Multiplicative Functions with Weight
p. 890-908
$\operatorname{IA}$-Automorphisms of Free Products of Two Abelian Torsion-Free Groups
p. 909-917
Generalized Volume Ratios and the Banach--Mazur Distance
p. 918-926
Iso-Huygens Deformations of Homogeneous Differential Operators Related to a Special Cone of Rank~3
p. 927-940
Multidimensional Versions of Paley's Inequality
p. 941-947
Parabolicity and Hyperbolicity Conditions for Boundary Elements of Surfaces
p. 948-951
Evolute Surfaces in $E^4$
p. 951-953