Geodesic

Sommaire du Fascicule no. 1

Self-adjointness of the dirac operator in a~space of vector functions
p. 3-7
Equiconvergence and equisummability of nonharmonic Fourier expansions with ordinary trigonometric series
p. 9-17
A~two-dimensional additive problem with an increasing number of terms
p. 19-25
On the Schur--Cohn problem
p. 27-30
Semidirect sums of Lie algebras
p. 31-40
Separating diffeomorphisms of the torus
p. 41-49
Nonoscillation criteria for solutions of a second-order linear differential equation
p. 51-56
On a~Cauchy problem for Laplace's equation
p. 57-61
Moduli of continuity and rearrangements
p. 63-66
Conditional Chebyshev center of a bounded set of continuous functions
p. 67-76
Approximation of integrable functions by linear methods almost everywhere
p. 77-90
Uncomplemented uniform algebras
p. 91-96
Linear deviations of the classes $\widetilde W_p^\alpha$ and approximations in spaces of multipliers
p. 97-108
Orthogonal measures for uniform algebras of finite type
p. 109-114
Study of generalized translation conditions for a~class of surfaces of positive curvature
p. 115-121
Limit theorem for a~supercritical Galton--Watson process
p. 123-128
An extension of the Lindeberg--Feller theorem
p. 129-135
Complexity of tests checking the operation of logic diagram inputs
p. 137-150
Letter to the editor
A~new journal

Sommaire du Fascicule no. 2

Uniform convergence of expansions into a~multiple trigonometric Fourier series or a~Fourier integral
p. 153-168
Boundary properties of functions harmonic in a~strip
p. 169-178
Divergence of interpolation processes on sets of the second category
p. 179-183
Absolute convergence of Fourier series
p. 185-192
Rearrangements of series in the Walsh system
p. 193-201
Identities of semigroup algebras of completely 0-simple semigroups
p. 203-212
Representation of unimodular matrices in the form $DOTU$ for $n=3$
p. 213-221
On a~result of finite simple groups with simple subgroups
p. 223-225
Normal form of real differential equations
p. 227-241
Boundary values of generalized solutions of a~homogeneous Sturm--Liouville equation in a~space of vector functions
p. 243-252
Newton's method and a~surface with Jacobian zero
p. 253-260
Absolute stability of the solutions of linear differential equations with time lags in Banach space
p. 261-265
Formulas for functions of ordered operators
p. 267-277
Factor space of functions with a~singularity
p. 279-290
Topological transitivity of billiards in polygons
p. 291-300
Maximal packing density of $n$-dimensional Euclidean space with equal balls
p. 301-311

Sommaire du Fascicule no. 3

The uniqueness of order in the spaces $L_p[0,1]$ and $l_p$
p. 313-325
Some properties of functional algebras from the point of view of orthogonal measures
p. 327-331
Generalized functions which are analytic with respect to some of their variables
p. 333-341
Almost convex sets
p. 343-356
An embedding theorem for functions of class $\operatorname{Lip}1$
p. 357-366
A~bound of the exterior arcs for a~univalent mapping
p. 367-378
Imbedding theorems for spaces of functions with partial derivatives that are summable in various powers
p. 379-393
A~property of entire functions with real taylor coefficients
p. 395-402
Some questions on the univalence of functions of the class $\Sigma$
p. 403-410
Spaces of analytic functions in a~region with an angle
p. 411-420
Estimate of a~multiple sum involving the Legendre symbol
p. 421-427
Bicommutators and quotient rings
p. 429-435
The isomorphism problem for solvable groups
p. 437-443
The lower order of functions of the class $\mathfrak B$
p. 445-452
The topology of group extensions of C systems
p. 453-465
A~property of logarithmically concave sequences
p. 467-472

Sommaire du Fascicule no. 4

Metric projection onto finite-dimensional subspaces of $\mathrm{C}$ and $\mathrm{L}$
p. 473-488
Certain inequalities in various metrics for trigonometric polynomials and their derivatives
p. 489-498
Traces of functions with majorizable derivatives
p. 499-506
Conditions for the completeness of the system of polynomials
p. 507-513
Lebesgue's inequality in a uniform metric and on a set of full measure
p. 515-526
Local properties of functions and approximation by trigonometric polynomials
p. 527-539
Lower bounds of linear forms of values of $G$ functions
p. 541-552
Solvability of linear equations in the Besicovitch and Bohr classes of almost periodic functions
p. 553-560
Some spectral relations
p. 561-568
The inverse problem for differential operators of second order with regular boundary conditions
p. 569-576
A generalization of the Bochner integral to locally convex spaces
p. 577-588
Criteria for the injectivity of analytic sheaves
p. 589-596
Regular conjugate classes in some groups of flows
p. 597-600
Criteria for stability of the point spectrum under completely continuous perturbations
p. 601-607
Sufficient conditions for the uniqueness of a probability field and estimates for correlations
p. 609-620
Additive functionals of regular semi-Markov processes
p. 621-631

Sommaire du Fascicule no. 5

A~rotation theorem in the class of bounded univalent functions
p. 633-640
Direct and converse theorems of the theory of approximation in the metric of $L_p$ for $0$
p. 641-658
Analogs of the Luzin--Danzhua and Cantor--Lebesgue theorems for double trigonometric series
p. 659-674
The completeness of systems of functions of the Mittag--Leffler type for weighted uniform approximation in a~complex
p. 675-685
The analogue of the law of large numbers for additive functions on sparse sets
p. 687-698
The number of integer points under a~parabola
p. 699-704
Generalized uniserial rings
p. 705-710
Triviality of universal norms on formal groups over a~local field
p. 711-717
Determination of solvable algebraic groups by dense integral subgroups
p. 719-730
The existence of a~fundamental solution of power growth for systems of difference equations
p. 731-734
The application of an interpolational method
p. 735-752
An estimate on the error in a~numerical integration of a~quasilinear equation with a~regular degeneracy
p. 753-766
Degenerate Riemannian metrics
p. 767-774
Bounds for the spectral abscissa of an element in a~Banach algebra
p. 775-780
Intersections of spherically convex sets
p. 781-791

Sommaire du Fascicule no. 6

Sufficient conditions for the univalence of quasiconformal mappings
p. 793-802
Interpolation by polyhedral functions
p. 803-814
Systems of functions which are complete in measure
p. 815-824
Some theorems on integral transforms
p. 825-830
An inverse scattering problem for a~perturbed Hill's operator
p. 831-843
The rational approximation of convex functions of the class $\operatorname{Lip}\alpha$
p. 845-854
A~system of functions
p. 855-860
A~characterization of the groups $L_3(2^n)$
p. 861-868
Finite groups in which a~Sylow two-subgroup of the centralizer of some involution is of order 16
p. 869-876
Normal subgroups of biprimary groups
p. 877-886
The divergence of spectral decompositions connected with homogeneous elliptic operators
p. 887-894
The dimension of the tensor algebra of a~projective bimodule
p. 895-902
Rational points of algebraic curves
p. 903-908
Traces of norms on a~cone
p. 909-920
Об одной задаче оптимизации блочных процессов Ньютона--Канторовича
p. 921-928
The cyclic structure of random permutations
p. 929-938