Geodesic

Sommaire du Fascicule no. 1

Jointly extremal manifolds
p. 3-8
Automorphism groups of metabelian groups
p. 9-22
Approximation of functions by the Fourier--Walsh sums
p. 23-33
Inversion of potentials in $\mathbf{R}^n$ with the aid of Gauss--Weierstrass integrals
p. 34-42
Jackson's theorems in $L_2$
p. 43-47
Linear irreducibility of one form of differential equations
p. 48-56
Equiconvergence of the Riesz means of expansions, corresponding to an $N$-fold system of exponents and to the $N$-fold fourier integral
p. 57-70
Approximation of the attainability set for a controlled process
p. 71-76
The complexity of the realization of subdefinite matrices by gate schemes
p. 77-86
Multiplicative spectra that are torsion-free in their homology groups
p. 87-92
A multiplicative normal functor is a power functor
p. 93-100
An oriented graph connected with an ordered pair of ordered partitions
p. 101-103
Central limit theorem for weakly dependent variables
p. 104-109
Some boundary-value problems for generalized differential equations
p. 110-118

Sommaire du Fascicule no. 2

Matrix relation algebras
p. 129-137
A general theorem on inverse semigroups with finiteness conditions
p. 138-147
Finiteness of the set of conservative polynomials of given degree
p. 148-151
Coefficients of trigonometric series with nonnegative partial sums
p. 152-158
Sharp constants and extremal functions in inequalities for derivatives
p. 159-174
Correction of step functions and summation of their fourier series by the ces\'{a}ro methods of negative order
p. 175-184
Quasianalytic noncontinuability of a function representable as an exponential series
p. 185-193
Continuity of functions of the classes $V_{\Phi}$
p. 194-201
Irregular second-order differential equations with almost-periodic coefficients
p. 202-206
Necessary and sufficient condition for convexity of accessible sets of differential inclusions
p. 207-215
Theorems on the smoothness of the right inverse
p. 216-226
Smooth lines on projective planes over certain associative algebras
p. 227-237
Dihedral homologies $A[x]$ and $A[x,x^{-1}]$ and other algebras
p. 238-247
Isometry group of a generalized Riemannian symmetric space
p. 248-256
Two extremal problems for Dirichlet--Voronoi domains
p. 257-264
Strongly $\forall$-finite theories of unars
p. 265-271
The Hilbert--Kamke problem in analytic number theory
p. 272-284

Sommaire du Fascicule no. 3

The number of irreducible polynomials of a given form over a finite field
p. 289-295
Locally finite groups with small normalizers
p. 296-302
Hereditary rings
p. 303-312
Exact constants in the inequalities between norms of functions and their derivatives
p. 313-319
Continuation of analytic sets across real manifolds
p. 320-324
Conditions for the sum of a power series to be algebraic and rational
p. 325-332
Uniform approximation by algebraic polynomials on the sphere of an odd-dimensional space
p. 333-341
Problem of linear conjugation on a circumference
p. 342-347
Asymptotics of the difference of subharmonic functions
p. 348-355
Nonstandard problems
p. 356-364
The Fr\'echet--Urysohn compactum without points of countable character
p. 365-376
Closed imbeddings in pseudocompact spaces
p. 377-394
Homomorphisms of topological groups that cannot be factorized by weight and dimension
p. 395-399
Boundedness and pseudocompactness in topological groups
p. 400-405
The structure of nonmetrizable $AE(0)$-spaces
p. 406-411
Problems of equality and divisibility in semigroups with a single defining relation
p. 412-421
Proof of a theorem of M.~Hall concerning the finiteness of the groups $B(m,6)$
p. 422-428
Impossibility of finite generation of partial recursive functions by a unary isotone operation
p. 429-432
The maximal number of edges in a homogeneous hypergraph containing no prohibited subgraphs
p. 433-455

Sommaire du Fascicule no. 4

Syntactic homomorphisms
p. 465-468
Unitary subgroup of the multiplicative group of the integral group ring of a cyclic group
p. 469-474
Lattices on pseudo-Bassian commutative rings
p. 475-478
Rationality of the field of invariants of a faithful four-dimensional representation of the icosahedral group
p. 479-483
Theory of lattice-ordered rings
p. 484-489
A classification of local formations of finite groups with nilpotent defect 2
p. 490-499
A global property of approximately differentiable functions
p. 500-508
Functional spaces on the sphere, related with approximation theory
p. 509-516
Estimates of the derivatives of trigonometric polynomials
p. 517-520
A certain inequality for convex forms
p. 521-524
An estimate of the rate of convergence of solutions of parabolic equations with weakly convergent right-hand side
p. 525-534
Spaces of continuous functions in elementary generic extensions
p. 535-542
Condition of holonomicity of characteristic directions of a submanifold
p. 543-548
$n$-Dimensional helicoidal surfaces in Euclidean space $E^m$
p. 549-556
Iterated browder-livesay invariants and the Uzing problem
p. 557-563
Single test for closed contacts in block circuits
p. 564-572
Resolvable designs of finite geometry and related designs
p. 573-591
Automorphism groups of numbered sets
p. 592-597
Lower bounds on the size of bounded depth circuits over a complete basis with logical addition
p. 598-607
Limit distributions of characteristics of exceeding a~level by a~Gaussian field
p. 608-618

Sommaire du Fascicule no. 5

A method for finding the densest lattice $k$-fold packing of disks
p. 625-636
Convergence of iterative methods for unbounded operator equations
p. 637-645
Best linear methods for approximation of classes of periodic functions of several variables
p. 646-653
Differential properties of the operator of best approximation of continuous functions by rational fractions
p. 654-672
Nonquasiregularity of certain quasidifferential operators
p. 673-681
The modulus of continuity in $L_p$
p. 682-686
Fundamental solution of the heat equation on an arbitrary Riemannian manifold
p. 687-692
An approximate solution of a complete linear singular integral equation with the Hilbert kernel
p. 693-709
A priori estimates of the derivatives of solutions of the Bellman equations
p. 710-717
Existence of a strategy with piecewise-constant realizations
p. 718-723
Rationality conditions for three-dimensional varieties with sheaf of Del Pezzo surfaces of degree~4
p. 724-730
Isothermal hypersurfaces and three-dimensional Dupin--Mannheim hypercyclides
p. 731-740
Realization of homology classes of $PL$-manifolds with singularities
p. 741-749
N.\,N.~Luzin's problems on the existence of $CA$-sets without perfect subsets
p. 750-757
Symmetry properties of higher spectral densities of stationary random processes
p. 758-763

Sommaire du Fascicule no. 6

Homological properties of Hilbert modules over nest operator algebras
p. 769-775
Commutative associative projective algebras of rank two over a perfect field
p. 776-780
Canonical form of the matrix of a bilinear form over an algebraically closed field of characteristic~2
p. 781-788
Weyl multipliers for the unconditional convergence of series in a Franklin system
p. 789-797
Jensen's inequality
p. 798-806
Weakly lacunary Walsh series
p. 807-818
Absolute and conditional convergence of a series of continuous functions on a metric space
p. 819-823
Biholomorphic maps of the direct product of domains
p. 824-828
Diameters of pseudosymmetric graphs
p. 829-843
The monoid of strict endomorphisms of wreath products of graphs
p. 844-853
Path testing in circuits with functional units
p. 854-861
Monotonicity of matrices with positive main diagonal
p. 862-871
A limit theorem for the number of intersections of a curvilinear level by a stationary Gaussian process
p. 872-881