Geodesic

Sommaire du Fascicule no. 1

On a Method for Proving Exact Bounds on Derivational Complexity in Thue Systems
p. 3-18
Lower Bound for the Lebesgue Function of an Interpolation Process with Algebraic Polynomials on Equidistant Nodes of a Simplex
p. 19-26
Complexity of Approximate Realizations of Lipschitz Functions by Schemes in Continuous Bases
p. 27-43
The Question of the Definability of Abelian Groups by the Centers of Their Endomorphism Rings
p. 44-48
An Ultrametricity Condition for Pretangent Spaces
p. 49-58
How Best to Recover a Function from Its Inaccurately Given Spectrum?
p. 59-67
Representation of Certain Logarithmic Functions as Polynomials with a Small Number of Nonzero Coefficients
p. 68-73
On the Boundary-Value Problem for a Class of Equations of Mixed Type in an Unbounded Domai
p. 74-83
Integral Functionals for the Exponential of the Wiener Process and the Brownian Bridge: Exact Asymptotics and Legendre Functions
p. 84-105
Semi-Invariants of 2-Representations of Quivers
p. 106-115
Divisibility of Fermat Quotients
p. 116-122
Spectral Properties of Evolutionary Operators in Branching Random Walk Models
p. 123-140
Estimates for the Eigenfunctions of the Regge Problem
p. 141-144
Stability of Nondissipative Systems under Persistent Random Perturbations
p. 145-148
A Necessary Condition for the Convergence of Simple Partial Fractions in~$L_p(\mathbb R)$
p. 149-152
Phase Space Geometry for a Wave Equation Degenerating on the Boundary of the Domain
p. 153-156

Sommaire du Fascicule no. 2

Averaging of Linear Operators, Adiabatic Approximation, and Pseudodifferential Operators
p. 163-180
Realization of Boolean Functions by Formulas in Continuous Bases Containing a Continuum of Constants
p. 181-191
On a Matrix Nilpotent Filter
p. 192-201
On Compact Aspherical Homogeneous Manifolds of Dimension $\le7$
p. 202-215
On the Solvability of a Boundary-Value Problem for an Elliptic Equation
p. 216-224
Multivalued Dynamics of Solutions of Autonomous Operator Differential Equations with Pseudomonotone Nonlinearity
p. 225-240
The Topology of Spaces of Morse Functions on Surfaces
p. 241-261
Analytic Dynamics of a One-Dimensional System of Particles with Strong Interaction
p. 262-275
Strong Maximum Principle for an~Elliptic Operator on a~Stratified Set
p. 276-290
Canonical Systems
p. 291-301
Rapid Decrease of Entire Functions along the Real Axis and the Uniqueness of the Fourier-Transform Pair
p. 302-312
The Liouville Property on Products of Riemannian Manifolds
p. 313-315
On Matrices with Different Tropical and Kapranov Ranks
p. 316-320

Sommaire du Fascicule no. 3

On Irreducible Representations of Discrete Heisenberg Groups
p. 323-330
Cohomology of $\mathfrak {osp}(2|2)$ Acting on Spaces of Linear Differential Operators on the Superspace $\mathbb{R}^{1|2}$
p. 331-342
A Multidimensional Generalization of Lagrange's Theorem on Continued Fractions
p. 343-360
On Groups Whose Small-Order Elements Generate a Small Subgroup
p. 361-367
On a Nonlinear Scattering Model
p. 368-380
Belt Distance Between Facets of Space-Filling Zonotopes
p. 381-394
Approximate Solution for a Class of Two-Dimensional Nonlinear Singular Integral Equations by the Contraction Mapping Method
p. 395-400
On Decoupling of Functions of Normal Vectors
p. 401-409
A Generalization of the Set Averaging Theorem
p. 410-416
On Ideals of the Group Algebra of an Infinite Symmetric Group over a Field of Characteristic~$p$
p. 417-425
Simplifying Method for Algebraic Approximation of Certain Algebraic Numbers
p. 426-439
On Finite Groups with $p$-Decomposable Cofactors of Subgroups
p. 440-446
Integral Properties of the Classical Warping Function of a Simply Connected Domain
p. 447-458
New Characteristics of Infinitesimal Isometry and Ricci Solitons
p. 459-462
Gigantic Component in Random Distance Graphs of Special Form
p. 463-480

Sommaire du Fascicule no. 4

Simple Modules of Exceptional Groups with Normal Closures of Maximal Torus Orbits
p. 483-496
Jackson--Stechkin Type Inequalities for Special Moduli of Continuity and Widths of Function Classes in the Space~$L_2$
p. 497-514
Discrete Analogs of Taikov's Inequality and Recovery of Sequences Given with an Error
p. 515-527
Comparison of the Convergence Rate of Pure Greedy and Orthogonal Greedy Algorithms
p. 528-532
Extremal Properties of Solutions of Special Classes of a Hyperbolic-Type Equation
p. 533-540
Morse--Smale Diffeomorphisms with Three Fixed Points
p. 541-558
On the Membership Problem of Finite Groups in Solvably Saturated Formations
p. 559-566
Blow-Up of the Solution of the Initial Boundary-Value Problem for the Generalized Boussinesq Equation with Nonlinear Boundary Condition
p. 567-582
Asymptotics of the Spectrum and Quantum Averages near the Boundaries of Spectral Clusters for Perturbed Two-Dimensional Oscillators
p. 583-596
On Certain Loci of Hankel $r$-Planes of~$\mathbb P^m$
p. 597-608
On the Gowers Norms of Certain Functions
p. 609-627
Riesz Theorem for Positive Multilinear Functions
p. 628-631
The Problem of the Number of Integer Points in Families of Anisotropically Expanding Domains, with Applications to Spectral Theory
p. 632-635
The Space of Initial Data of the $3$d Boundary-Value Problem for a Parabolic Differential-Difference Equation in the One-Dimensional Case
p. 636-640

Sommaire du Fascicule no. 5

Beurlings theorem for functions with essential spectrum from homogeneous spaces and stabilization of solutions of parabolic equations
p. 643-661
On the Samarskii--Andreev Conjugation Conditions in the Theory of Elastic Beams
p. 662-669
Limit Behavior of a Critical Branching Process with Immigration
p. 670-677
Enumeration of Labeled Bicyclic and Tricyclic Eulerian Graphs
p. 678-683
P\'olya Convertibility Problem for Symmetric Matrices
p. 684-698
Gr\"{o}bner--Shirshov Bases for Extended modular, Extended Hecke, and Picard Groups
p. 699-706
On the Convergence of Orthorecursive Expansions in Nonorthogonal Wavelets
p. 707-720
Asymptotics of the Solutions of the One-Dimensional Nonlinear System of Equations of Shallow Water with Degenerate Velocity
p. 721-730
On the Pseudonormal Form of Real Autonomous Systems with Two Pure Imaginary Eigenvalues
p. 731-746
Mixed Moduli of Smoothness in Mixed Metrics
p. 747-761
Generalized Squeezed States and Multimode Factorization Formula
p. 762-777
Solution of an Algebraic Equation Using an Irrational Iteration Function
p. 778-785
The $\delta$-Normality of $F_\sigma$-Sets in the Fell Topology
p. 786-788
Solvability Conditions for Boundary-Value Problems for Elliptic Operator-Differential Equations with Discontinuous Coefficient
p. 789-793
On the Extrapolation of Analytic Functions by Sums of the Form $\sum_k\lambda_k h(\lambda_k z)$
p. 794-797
On Partial Sums of Fourier--Haar Series with Arbitrary Dilation Coefficient
p. 798-800

Sommaire du Fascicule no. 6

The Covering Homotopy Extension Problem for Compact Transformation Groups
p. 803-818
A Boundary Function Method for Solving the Model Lighthill Equation with a Regular Singular Point
p. 819-824
Residual Subsets in the Space of Finitely Generated Groups of Diffeomorphisms of the Circle
p. 825-833
The Gr\"otzsch and Teichm\"uller Extremal Problems on a Riemann Surface
p. 834-843
On the Probability of the Occurrence of a Copy of a Fixed Graph in a Random Distance Graph
p. 844-855
Effective Algorithms for Decomplexifying a Matrix by Unitary Similarities or Congruences
p. 856-863
On the Geometry of the Characteristic Vector of an~$\mathit{lcQS}$-Manifold
p. 864-871
On Estimates of Lengths of Lemniscates
p. 872-883
Real Four-Dimensional $M$-Triquadrics
p. 884-892
New Uniqueness Conditions for the Classical Moment Problem
p. 893-903
Hopf Subalgebras and Hopf Ideals of Certain Semisimple Hopf Algebras
p. 904-911
Local Finitely Smooth Equivalence of Real Autonomous Systems with Two Pure Imaginary Eigenvalues
p. 912-927
Elliptic Equation with a Singular Potential in a Domain with a Conic Point
p. 928-938
Schur Multipliers Associated with Symmetric Sequence Spaces
p. 939-942
Operator-Valued ODEs and Feynman's Formula
p. 943-948
Gigantic and Small Components in Random Distance Graphs of Special Form
p. 949-953