Geodesic

Sommaire du Fascicule no. 1

An $L^p$--$L^q$ Analog of Miyachi's theorem for Nilpotent Lie Groups and Sharpness Problems
p. 3-21
Normalizers of Solvable Spherical Subgroups
p. 22-35
Properties of the Minimum Function in the Quadratic Problem
p. 36-45
On the Existence of Shortest Networks in Banach Spaces
p. 46-54
Spectral and Oscillatory Properties of a Linear Pencil of Fourth-Order Differential Operators
p. 55-67
On the Special Properties of the Boundary Layer in Singularly Perturbed Problems with Multiple Root of the Degenerate Equation
p. 68-80
On Absolute Convergence of Multiple Fourier Series
p. 81-93
On the Algebraic Independence of Values of Generalized Hypergeometric Functions
p. 94-108
How Many Different Cascades on a Surface Can Have Coinciding Hyperbolic Attractors?
p. 109-121
On Exact Recovery of Sparse Vectors from Linear Measurements
p. 122-129
Approximations of the Resolvent for a Non--Self-Adjoint Diffusion Operator with Rapidly Oscillating Coefficients
p. 130-150
On $m$-Transitive Groups
p. 151-153
On a Class of Operator Monotone Functions of Several Variables
p. 154-156

Sommaire du Fascicule no. 2

Conditions for a Two-Dimensional Surface in $E^5$ to Be Contained in a Hypersphere or a Hyperplane
p. 163-174
On the Calculation of Functions of Matrices
p. 175-182
On the Homeomorphism of Continuous Mappings
p. 183-189
Integrality of the Symmetric Algebra of Graph Ideals
p. 190-206
The Inverse Problem of Determining the Lower-Order Coefficient in Parabolic Equations with Integral Observation
p. 207-217
On Asymptotic Contractions
p. 218-224
Optimal Control of the Solutions of the Initial-Finish Problem for the Linear Hoff Model
p. 225-236
Bose--Einstein-Type Distribution for Nonideal Gas. Two-Liquid Model of Supercritical States and Its Applications
p. 237-245
Affine-Homogeneous Real Hypersurfaces of Tube Type in~$\mathbb{C}^{3}$
p. 246-265
On Gorenstein Injective and Projective Comodules
p. 266-278
Zeros of Functions in Weighted Spaces with Mixed Norm
p. 279-294
Limit Ultraspherical Series and Their Approximation Properties
p. 295-309
On Decoupling of Functions of Normal Vectors.~II
p. 310-313
On Commutative Subalgebras of the Weyl Algebra Related to Commuting Operators of Arbitrary Rank and Genus
p. 314-316
Letter to the Editor
p. 317-320

Sommaire du Fascicule no. 3

Integrable Vector Isotropic Equations Admitting Differential Substitutions of First Order
p. 323-330
Integral Estimates of Lengths of Level Lines of Rational Functions and Zolotarev's Problem
p. 331-337
Optimal Arguments in Jackson's Inequality in the Power-Weighted Space~$L_2(\mathbb{R}^d)$
p. 338-348
On a Problem for Operator-Differential Second-Order Equations with Nonlocal Boundary Condition
p. 349-353
Homotopy Properties of Differential Lie Modules over Curved Coalgebras and Koszul Duality
p. 354-372
Bigraded Betti Numbers of Certain Simple Polytopes
p. 373-388
Classes of Bianchi Equations of Third Order
p. 389-400
Best Trigonometric and Bilinear Approximations of Classes of Functions of Several Variables
p. 401-415
Addition to the Popoviciu Theorem
p. 416-425
The Gearhart--Pr\"uss Theorem for a Class of Degenerate Semigroups of Operators
p. 426-440
Homogenizing the Viscoelasticity Problem with Long-Term Memory
p. 441-454
Criteria for the $p$-Solvability and~$p$-Supersolvability of Finite Groups
p. 455-472
On Two Properties of Normality Type
p. 473-476
Space of Initial Data for the Second Boundary-Value Problem for a Parabolic Differential-Difference Equation in Lipschitz Domains
p. 477-480

Sommaire du Fascicule no. 4

Generalization of the Boundary Function Method for Solving Boundary-Value Problems for Bisingularly Perturbed Second-Order Differential Equations
p. 483-487
Reduction of the Calculus of Pseudodifferential Operators on a Noncompact Manifold to the Calculus on a Compact Manifold of Doubled Dimension
p. 488-505
Structure Theorem for Dual Quasi-Hopf Bicomodules and Its Application
p. 506-520
Obstructions to Embeddings of Bundles of Matrix Algebras in a Trivial Bundle
p. 521-540
The Global Dimension of $\omega$-Smash Coproducts
p. 541-551
On a Trivial Monodromy Criterion for the Sturm--Liouville Equation
p. 552-568
Large Deviations and the Rate of Convergence in the Birkhoff Ergodic Theorem
p. 569-577
On the Interpolation of Analytic Mappings
p. 578-581
Characterization of Carleson Measures by the Hausdorff--Young Property
p. 582-590
On the Lipschitz Property of a Class of Mappings
p. 591-599
Approximation Methods in Optimal Control Problems for Nonlinear Infinite-Dimensional Systems
p. 600-619
Torsion-Free Weakly Transitive $E$-Engel Abelian Groups
p. 620-627
On the Resolvent of the Gauss Operator
p. 628-631
Sungular Perturbations of Powers of the Laplacian on the Torus
p. 632-636
On the Chaplygin Problem of the Rolling of a Ball
p. 637-640

Sommaire du Fascicule no. 5

Examples of Sets with Given Approximation Properties in $WCG$-Space
p. 643-647
A Criterion for the Integral Equivalence of Two Generalized Convex Integer Polyhedra
p. 648-660
Homotopy Simplicial Faces and the Homology of Realizations of Simplicial Topological Spaces
p. 661-681
On the Relationship between the Length of an Algebra and the Index of Nilpotency of Its Jacobson Radical
p. 682-688
Finiteness of Graded Generalized Local Cohomology Modules
p. 689-694
On the Euler--Mascheroni Constant
p. 695-701
On the Classical and Generalized Solutions of Boundary-Value Problems for Difference-Differential Equations with Variable Coefficients
p. 702-719
The Problem of Traces for Sobolev Spaces with Muckenhoupt-Type Weights
p. 720-732
On the Realization of the Generalized Solenoid as a Hyperbolic Attractor of Sphere Diffeomorphisms
p. 733-744
Absolute Convergence of Fourier Series of Almost-Periodic Functions
p. 745-756
A Generalization of Bihari's Lemma to the Case of Volterra Operators in Lebesgue Spaces
p. 757-769
Torsion-Free Abelian Groups of Finite Rank as Endomorphic Modules over Their Endomorphism Ring
p. 770-776
The Gelfand Transform as a $C^*$-Envelope
p. 777-779
Distance between Conjugate Algebraic Numbers in Clusters
p. 780-783
On the Two Smallest Pisot Numbers
p. 784-787
Infinite-Dimensional Schr\"odinger Equations with Polynomial Potentials and Representation of Their Solutions via Feynman Integrals
p. 788-791
On the Possibility of Strengthening Sidon-Type Inequalities
p. 792-795
Uniqueness of Weakly Periodic Gibbs Measure for HC-Models
p. 796-800

Sommaire du Fascicule no. 6

On I.~M.~Gelfand's 100th Anniversary
p. 803-805
Approximation of Continuous Functions by Broken Lines with Constraints on the Angles between Adjacent Segments
p. 806-818
On Entropy-Type Functionals Arising in Stochastic Chemical Kinetics Related to the Concentration of the Invariant Measure and Playing the Role of Lyapunov Functions in the Dynamics of Quasiaverages
p. 819-827
On the Simple Isotopy Class of a Source--Sink Diffeomorphism on the $3$-Sphere
p. 828-845
Symmetrization of Condensers and Inequalities for Functions Multivalent in a Disk
p. 846-856
An Elementary Proof of the Jordan--Kronecker Theorem
p. 857-870
Periodic Two-Phase ``Rogue Waves''
p. 871-883
On the Coefficients of Fourier Series with Respect to Trigonometric Systems in the Space~$L_{2,r}$
p. 884-888
The Cauchy--Goursat Problem for Wave Equations with Nonlinear Dissipative Term
p. 889-907
Best Polynomial Approximations and the Widths of Function Classes in~$L_{2}$
p. 908-917
New Constants in the Superintuitionistic Logic~$L2$
p. 918-932
On the Erd\H{o}s--Hajnal Problem for $3$-Uniform Hypergraphs
p. 933-935
Well-Posedness of the Dirichlet Problem in a Cylindrical Domain for Degenerating Multidimensional Elliptic Equations
p. 936-939
Description of Scattering Matrices of Unitary Extensions of Isometric Operators in Pontryagin Space
p. 940-943
Conditions for the Discreteness of Extremal Probability Measures (the Finite-Dimensional Case)
p. 944-948
Ergodic Automorphisms with Simple Spectrum and Rapidly Decreasing Correlations
p. 949-954