Geodesic

Sommaire du Fascicule no. 1

The Number of Additional Singular Points in the Riemann--Hilbert Problem on a Riemann Surface
p. 3-10
Some New Results on Sums of Primes
p. 11-21
The Steinhaus Theorem on Equiconvergence for Functional-Differential Operators
p. 22-33
On Compact Sets with a Certain Affine Invariant
p. 34-39
Connections between Deddens Algebras and Extended Eigenvectors
p. 40-44
An Example of the Sequence of Coefficients of a Double Trigonometric Series
p. 45-52
Homogenization of Monotone Operators Under Conditions of Coercitivity and Growth of Variable Order
p. 53-69
Finite Axiomatizability of Local Set Theory
p. 70-86
Geometry of the Conharmonic Curvature Tensor of Almost Hermitian Manifolds
p. 87-103
The Fixed-Point Index of Nonlinear Operators in Menger PN-Spaces
p. 104-112
On the Existence of Solutions of a Nonlinear Integro-Differential System of Transport Equations
p. 113-136
Necessary and Sufficient Conditions for the Existence and $\varepsilon$-Uniqueness of Bounded Solutions of the Equation $x'=f(x)-h(t)$
p. 137-142
On Degeneration of the Surface in the Fitting Compactification of Moduli of Stable Vector Bundles
p. 143-150
Positive Definite Functions and Spectral Properties of the Schr\"odinger Operator with Point Interactions
p. 151-156

Sommaire du Fascicule no. 2

On Pontryagin's First Direct Method in Pursuit Problems
p. 163-167
Uniqueness of Quantum Markov Chains Associated with an $XY$-Model on a Cayley Tree of Order~$2$
p. 168-182
The Cauchy Problem for Certain Systems of Operator-Differential Equations of Arbitrary Order in Locally Convex Spaces
p. 183-198
The Greatest Possible Lower Type of Entire Functions of Order $\rho\in(0;1)$ with Zeros of Fixed $\rho$-Densities
p. 199-215
Sufficiency of Polyhedral Surfaces in the Modulus Method and Removable Sets
p. 216-230
Inverse Problem of the Variational Calculus for Differential Equations of Second Order with Deviating Argument
p. 231-241
An Invariant of Links in the Thickened Torus
p. 242-253
On the Solvability of Certain Spatially Nonlocal Boundary-Value Problems for Linear Hyperbolic Equations of Second Order
p. 254-268
GIT-Equivalence and Diagonal Actions
p. 269-279
Bifurcation Problems for Equations of Elliptic Type with Discontinuous Nonlinearities
p. 280-284
Smooth Three-Dimensional Canonical Thresholds
p. 285-299
Toral Rank Conjecture for Moment-Angle Complexes
p. 300-305
Lower Bound for the Discrete Norm of a Polynomial on the Circle
p. 306-309
The Schauder--Tikhonov Theorem in Countably Normed Spaces
p. 310-312
On the Axial Diameters of a Convex Body
p. 313-315
A Remark about Polynomial Approximations Involving the Interpolation of Continuous Functions
p. 316-317
Averaging Theorem for Indeterminate Conditionally Periodic Motion
p. 318-320

Sommaire du Fascicule no. 3

On the Solvability of Initial Boundary-Value Problems for a Class of Operator-Differential Equations of Third Order
p. 323-339
On the Properties of the $Q$-Integral
p. 340-350
Approximation of Classes of Convolutions by Linear Operators of Special Form
p. 351-361
Some Problems of Approximation Theory in the Spaces~$L_p$ on the Line with Power Weight
p. 362-383
Uniqueness of Recovering the Parameters of Sectional Operators on Simple Complex Lie Algebras
p. 384-393
Estimates in Beurling--Helson Type Theorems: Multidimensional Case
p. 394-407
Embedding of Products $Q(k)\times B(\tau)$ in Absolute $A$-Sets
p. 408-421
Slowly Synchronizing Automata with Zero and Uncovering Sets
p. 422-430
The Law of Large Numbers for the Sum of the Partial Quotients of a Rational Number with Fixed Denominator
p. 431-444
On Quasilinear Beltrami-Type Equations with Degeneration
p. 445-453
On the Mean Values of the Function~$\tau_k(n)$ in Sequences of Natural Numbers
p. 454-463
Worpitzky Identity for Multipermutations
p. 464-466
Approximation of the One-Parameter Family of Dirichlet Problems for Higher-Order Elliptic-Type Equations with Discontinuous Nonlinearities in the Resonance Case
p. 467-469
On the Structure and Properties of Solutions of Integro-Differential Equations Arising in Thermal Physics and Acoustics
p. 470-473
Asymptotic Hamiltonian Reduction for Geodesics on Deformed Spheres and the Funk--Minkowski Transform
p. 474-477
Estimate of the Simultaneous Approximation of Functions and Their Derivatives by Fourier Sums
p. 478-480

Sommaire du Fascicule no. 4

Continuity in $\Lambda$-Variation and Summation of Multiple Fourier Series by Ces\`aro Methods
p. 483-500
The Behavior of Conformal Maps of Domains Near Convex Boundary Arcs
p. 501-516
On $\pi_2$ Almost Geodesic Mappings of Almost Hermitian Manifolds
p. 517-526
Generalization of the Ballot Numbers
p. 527-529
Real Two-Dimensional Intersections of a Quadric by a Cubic
p. 530-540
Haar System on the Product of Groups of~$p$-Adic Integers
p. 541-557
Description of Generalized Resolvents and Characteristic Matrices of Differential Operators in Terms of the Boundary Parameter
p. 558-583
Combinatorial Extremum Problems for $2$-Colorings of Hypergraphs
p. 584-598
On the Interdependence between Invariant Multipliers of a Block-Triangular Matrix and Its Diagonal Blocks
p. 599-612
Study of the Blow-Up of Solutions of Systems of Equations of Hydrodynamic Type
p. 613-629
On Fedorchuk's Normal Functor Theorem
p. 630-633
Sharp Constants in One-Dimensional Poincar\'e-Type Inequalities
p. 634-636
On the Number of Regions Formed by Arrangements of Closed Geodesics on Flat Surfaces
p. 637-640

Sommaire du Fascicule no. 5

Contact Self-Dual Geometry of Quasi-Sasakian 5-Manifolds
p. 643-658
Additivity of the Space of Densities of Simple-Layer Potentials with a Finite Dirichlet Integral and Integrability of Normal Derivatives of Harmonic $W_2^1$-Functions on Lipschitz Surfaces
p. 659-664
On Probability Analogs of Rosenthal's Inequality
p. 665-671
Solvability of the Cauchy Problem for Linear Operator-Differential Equations with Variable Operator Coefficients
p. 672-688
Алгебраические и геометрические свойства квадратичных гамильтонианов, задаваемых секционными операторами
p. 689-702
Harmonic Analysis on a Class of Spherical Homogeneous Spaces
p. 703-711
On the Index of Nonlocal Elliptic Operators Corresponding to a Nonisometric Diffeomorphism
p. 712-726
On $\mathfrak F$-Reachable Subgroups of Finite Groups
p. 727-735
On the Basic Properties of the Ramanujan $\tau$-Function
p. 736-743
Rational Approximations to Values of the Digamma Function and a Conjecture on Denominators
p. 744-763
Best Polynomial Approximations in~$L_2$ of Classes of $2\pi$-Periodic Functions and Exact Values of Their Widths
p. 764-775
Continuity of Derivations on Properly Infinite $*$-Algebras of $\tau$-Measurable Operators
p. 776-780
QR-Submanifolds and Riemannian Metrics with Holonomy $G_2$
p. 781-784
On Inequalities for the Fourier Transform of Functions from Lorentz Spaces
p. 785-788
On the Self-Trapping of the Solutions of Nonlinear Schr\"odinger Evolution Equation
p. 789-792
The Fourier Transform and an Inversion Formula for Laplace Transforms
p. 793-796
On Parseval's Equality for Rearrangements of the Trigonometric System
p. 797-800

Sommaire du Fascicule no. 6

Stability Analysis Based on Nonlinear Inhomogeneous Approximation
p. 803-820
On the Relation between the Darlington Realizations of Matrix Functions from the Carath\'eodory Class and Their $J_{p,r}$-Inner SI-Dilations
p. 821-832
Asymptotics of the Spectrum of Nonsmooth Perturbations of Differential Operators of Order $2m$
p. 833-844
Limit Distributions for the Number of Particles in Branching Random Walks
p. 845-859
Inheritance Principle in Dynamical Systems
p. 860-874
Asymptotic Integration of Symmetric Second-Order Quasidifferential Equations
p. 875-884
On the Spectral Stability of Functional-Differential Equations
p. 885-901
On Tail Dependence: A Characterization for First-Order Max-Autoregressive Processes
p. 902-917
Stability of Unique Solvability of Quasilinear Equations Given Additional Data
p. 918-946
A Generalization of the Curtiss Theorem for Moment Generating Functions
p. 947-952
A Note on Rochlin's Property in the Space of Mixing Transformations
p. 953-954