Geodesic

Sommaire du Fascicule no. 1

Automorphisms of the Semigroup of Nonnegative Invertible Matrices of Order Two over Partially Ordered Commutative Rings
p. 3-11
Total Population Size in Critical Branching Processes in a Random Environment
p. 12-23
A Tree Labeling Problem with an Application to Optimal Approximation of Continuous Functions
p. 24-39
On the Geometry of Normal Locally Conformal Almost Cosymplectic Manifolds
p. 40-53
Multiplication Formulas for Apostol-Type Polynomials and Multiple Alternating Sums
p. 54-66
Examples of the Nonuniqueness of Solutions of the Mixed Problem for the Heat Equation in Unbounded Domains
p. 67-73
A Construction of Convex Functions
p. 74-78
Some Remarks on the Moment Problem and Its Relation to the Theory of Extrapolation of Spaces
p. 79-92
Weakly Koszul-Like Modules
p. 93-119
On Small Solutions of Nonlinear Equations with Vector Parameter in Sectorial Neighborhoods
p. 120-135
Quasistable Properties of the Solutions of a Multiply Connected System of Differential Equations
p. 136-142
Elementary Construction of Strebel Differentials
p. 143-146
On the Center of a Relatively Free Lie-Nilpotent Algebra of Index~$4$
p. 147-148
On the Behavior of the Localized Solution of the Wave Equation in a Neighborhood of the Localization Point for Small Times
p. 149-153
A Note on Kummer-Type II Transformation for the Generalized Hypergeometric Function~$_2F_{2}$
p. 154-156

Sommaire du Fascicule no. 2

Continuous Convex $\mathrm{MS}$-Differentiable Function Need not Be $\mathrm{HL}$-Differentiable
p. 163-171
The Kolmogorov and Stechkin Problems for Classes of Functions Whose Second Derivative Belongs to the Orlicz Space
p. 172-183
A Mixed Problem for the Dirac--Schwinger Extension of the Maxwell System
p. 184-199
$\delta$-Superderivations of Semisimple Finite-Dimensional Jordan Superalgebras
p. 200-213
On Free Representing Systems
p. 214-224
Blow-Up of the Solution of an Inhomogeneous System of Sobolev-Type Equations
p. 225-239
On the Structure of a Semigroup of Operators with Finite-Dimensional Ranges
p. 240-252
On Finite-Dimensional Semisimple Hopf Algebras of Dimension $n(n+1)$
p. 253-269
Properties of Kagi and Renko Moments for Homogeneous Diffusion Processes
p. 270-284
On Bessel Systems in a Banach Space
p. 285-296
On Some Classes of Nilgroups
p. 297-304
A~Monotone Path Connected Chebyshev Set Is a~Sun
p. 305-307
Enumeration of Labeled Connected Bicyclic and Tricyclic Graphs without Bridges
p. 308-311
The Lie Algebra of the Group of Motions of a Phenomenologically Symmetric Geometry
p. 312-315
On the Unitary Equivalence of the Proper Extensions of a Hermitian Operator and the Weyl Function
p. 316-320

Sommaire du Fascicule no. 3

An Example of a Piecewise Linear Ergodic Polymorphism
p. 323-330
On the Positive Fragment of the Polymodal Provability Logic $\mathbf{GLP}$
p. 331-346
On a Statement Equivalent to the Riemann Hypothesis
p. 347-352
The Structure of Minimal Steiner Trees in the Neighborhoods of the Lunes of Their Edges
p. 353-370
The Sidelnikov Method for Estimating the Number of Signs on Segments of Linear Recurrence Sequences over Galois Rings
p. 371-382
Minimal Graded Resolutions of Reverse Lexsegment Ideals
p. 383-399
Filtered Deformations of Lie Algebras of the Series~$\mathscr{R}$
p. 400-406
Automorphisms of Commutative Moufang Loops Satisfying the Minimality Condition
p. 407-421
On the Chromatic Number for a Set of Metric Spaces
p. 422-431
On the Ideals of Torsion-Free Rings of Rank One and Two
p. 432-439
Completions of Convex Families of Convex Bodies
p. 440-458
On the Discretization of Solutions of the Wave Equation with Initial Conditions from Generalized Sobolev Classes
p. 459-463
Resolvents of Operators with Distant Perturbations
p. 464-466
Remark on $\Sigma$-Products
p. 467-469
On the Solvability of a Boundary-Value Problem for Second-Order Partial Differential Operator Equations
p. 470-472
On the Relative Widths of Ellipsoids in Hilbert Space
p. 473-476
Affine Contact Manifolds with Automorphism Group of Maximal Dimension
p. 477-480

Sommaire du Fascicule no. 4

Tensor Products as Induced Representations: The Case of Finite $\mathrm{GL}(3)$
p. 483-494
On Nearly $S$-Permutably Embedded Subgroups of Finite Groups
p. 495-505
Spherical Jump of a Function and the Bochner--Riesz Means of Conjugate Multiple Fourier Series and Fourier Integrals
p. 506-514
On a Class of Nonlinear Schr\"{o}dinger Equations with Nonnegative Potentials in Two Space Dimensions
p. 515-521
The Matrix Version of Hamburger's Theorem
p. 522-529
Reconstruction of Tetrahedra from Sets of Edge Lengths
p. 530-538
Polynomials in One Variable and Ranks of Certain Tangent Maps
p. 539-550
Properties of the Sz\'ekely--M\'ori Symmetry Criterion Statistics in the Case of Binary Vectors
p. 551-562
On Unitary Transposable Matrices of Order Three
p. 563-570
On the Theory of Generalized Quasi-Isometries
p. 571-577
Interior Points in the Erd\H{o}s--Szekeres Theorems
p. 578-596
Determination of the Polynomial Uniformizing a Given Compact Riemann Surface
p. 597-607
$K$-Trivial Structures on Fano Complete Intersections
p. 608-616
Weighted Integrability of Double Trigonometric Series and of Double Series with Respect to Multiplicative Systems with Coefficients of Class $R^+_0BVS^2$
p. 617-620
A System of Differential Equations with an Analytic Nonlinearity
p. 621-623
On the Constants in the Estimates of the Rate of Convergence in the Birkhoff Ergodic Theorem
p. 624-628
On the Spectrum of Singular Perturbations of Operators on the Circle
p. 629-632
Amalgamated Free Product of Groups: Normal Forms and Measures
p. 633-637
Symmetric Invariant Subspaces of Complexifications of Linear Operators
p. 638-640

Sommaire du Fascicule no. 5

On the Initial Boundary-Value Problem for a Nonlinear Sobolev-Type Equation with Variable Coefficient
p. 643-653
On Certain Properties of Rademacher Chaos
p. 654-666
Automaton Barriers
p. 667-673
On the Growth of Entire Functions with Discretely Measurable Zeros
p. 674-690
Fourier Coefficients of Continuous Functions
p. 691-703
Homogeneous Orthogonally Additive Polynomials on Vector Lattices
p. 704-710
On the Representation of Fibonacci and Lucas Numbers as the Sum of Three Squares
p. 711-719
On Recursive Decompositions of Measures
p. 720-729
Finite Groups with Subnormal Second or Third Maximal Subgroups
p. 730-740
Classification of $(v,3)$-Configurations
p. 741-749
Linear Differential Pursuit Games with Integral Constraints in the Presence of Delay
p. 750-760
Approximation to the Function ~$z^{\alpha}$ by Rational Fractions in a Domain with Zero External Angle
p. 761-772
Applications of the Fixed Point Index in Menger PN-Spaces
p. 773-779
Estimate of the Decay Exponent of an Operator Semigroup Associated with a Second-Order Linear Differential Equation
p. 780-783
Lifts of Lagrangian Tori
p. 784-786
Minimal Weighted $4$-Designs on the Sphere~$S^2$
p. 787-790
Embedding in a Flow of Morse--Smale Diffeomorphisms on Manifolds of Dimension Higher than Two
p. 791-794
Bykovskii's Theorem and a Generalization of Larcher's Theorem
p. 795-798
Letter to the Editor
p. 799-800

Sommaire du Fascicule no. 6

On a Numerical Method for Constructing a Positive Solution of the Two-Point Boundary-Value Problem for a Second-Order Nonlinear Differential Equation
p. 803-812
An Implicit-Function Theorem for Inclusions
p. 813-818
$2$-Chebyshev Subspaces in the Spaces~$L_1$ and~$C$
p. 819-831
On the Ranks of Idempotent Matrices over Skew Semifields
p. 832-839
Effective Compactness and Sigma-Compactness
p. 840-852
Bracketing Entropy and VC-Dimension
p. 853-860
On the Solvability of the Boundary-Value Problem for Second-Order Equations in Hilbert Space with an Operator Coefficient in the Boundary Condition
p. 861-869
$\mathcal{GP}$-Projective and $\mathcal{GI}$-Injective Modules
p. 870-879
Estimates of Perturbed Oseen Semigroups and Their Applications to the Navier--Stokes System in~$\mathbb{R}^n$
p. 880-895
Holomorphic Affine Vector Fields on Weil Bundles
p. 896-899
Are Sufficient Conditions for Conservativity of Minimal Quantum Semigroups Necessary?
p. 900-907
Inverse Problem for Equations of Mixed Type with Lavrentev--Bitsadze Operator
p. 908-919
Lattice Polygons with Two Interior Lattice Points
p. 920-933
Abelian Groups as $\mathrm{UA}$-Modules over Their Endomorphism Ring
p. 934-941
Investigation of Some Homomorphism Groups of Abelian Groups
p. 942-945
On Uniform Convergence of Fourier Series
p. 946-949
Why Are Haar Bases in Various Structures the Same?
p. 950-953