Geodesic

Sommaire du Fascicule no. 1

Distribution of roots of quasianalytic functions
p. 3-14
Approximation of periodic functions by trigonometric polynomials in the mean
p. 15-26
On the uniqueness of a Walsh series converging on subsequences of partial sum
p. 27-32
Some properties of the squares of positive integers
p. 33-39
When is the radical associated with a~module a~torsion?
p. 41-48
Quasimanifolds of lattices
p. 49-56
Estimate of the number of zeros of functions of a~class containing monosplines
p. 57-64
Automorphisms of the tensor product of Abelian and Grassmannian algebras
p. 65-74
Averaging in systems containing several small parameters
p. 75-82
Conformal pasting on a~torus
p. 83-90
Maximal subgroups of symmetric groups defined on projective spaces over finite fields
p. 91-100
Criterion of completeness of topological linear spaces and topological Abelian groups
p. 101-106
Semigroups of operators and mixed properties of Banach space elements
p. 107-115
Extensions and generalized resolvents of closed dissipative operators
p. 117-127
Finite groups with 2-Sylow intersections of rank $\le2$
p. 129-134
Radicals of Jordan rings connected with alternative rings
p. 135-140
The strong law of large numbers for homogeneous random fields
p. 141-149
The problem of maximality of arithmetic subgroups in orthogonal groups of the type $B_n$
p. 151-161
Approximation of the function $|x|$ by rational functions
p. 163-171
Some imbedding theorems for block designs balanced with respect to pairs
p. 173-184

Sommaire du Fascicule no. 2

Weighted approximations by means of entire functions of exponential type
p. 185-192
Best quadrature formula on the class $W_*^rL_2$
p. 193-204
Generalization of a~theorem on the quasi-analyticity of a~function
p. 205-212
Uniqueness of extremal quasiconformal mappings of Teichmüller type
p. 213-220
Arithmetic properties of the values of a~set of functions satisfying a~system of differential equations
p. 221-229
Imbedding of countable groups in 2-generated simple groups
p. 231-235
Generating elements and defining relations for symplectic groups over certain rings
p. 237-246
Characterization of the linear groups PSL (2,11) and PSL (2,13)
p. 247-252
Operator algebras with strictly cyclic vectors
p. 253-257
A~necessary and sufficient condition for nonoscillatory behavior of the solutions of a~system of two linear equations of the first order
p. 259-265
Many-dimensional operators of convolution type in spaces of weight-integrable functions
p. 267-276
The problem of representing an arbitrary linear operator in the form of a~differential operator of infinite order
p. 277-283
The product of two groups, one of which contains a~cyclic subgroup of index $\le2$
p. 285-295
Admissibility conditions for a~class of quadrature formulas with random nodes
p. 297-304
Discontinuous solutions of a~class of quasiregular variational problems
p. 305-315
The cardinalities of semigroups of isotonic transformations of reflexive graphs
p. 317-323
Uniform approximation on compact subsets of the real line
p. 325-336
The concept of approximative compactness and alternate versions of it
p. 337-348
Estimate of the modulus of continuity of the operator grad F
p. 349-360

Sommaire du Fascicule no. 3

Noneffectiveness of a~class of regular matrices
p. 361-364
The product of linear nonhomogeneous forms
p. 365-374
Definability in algebraically closed groups
p. 375-380
Existence of Hall normal subgroups in finite groups
p. 381-385
Torsion-free modules over Dedekind rings
p. 387-394
Additional information concerning the content of the product of polynomials
p. 395-398
Group algebras of generalized primary groups
p. 399-405
Normal form of differential equations with a~small parameter
p. 407-414
The problem concerning the epimorphicity of a~convolution operator in convex domains
p. 415-422
Classes of spaces not containing dyadic bicompacta of large weight
p. 423-430
Convolution equations in spaces of functions holomorphic in convex domains and on convex compacta in $C^n$
p. 431-440
Single-valued determination of closed surfaces of genus $p\ge1$ in a~space of constant curvature
p. 441-445
Density of an $(r,R)$-system
p. 447-454
Structure of bicategorical structures
p. 455-460
An inequality for a~functional on aging distribution functions
p. 461-466
Cancellation law and attainable classes of linear $\Omega$-algebras
p. 467-478
The problem of the solvability of nonlinear two-point boundary-value problems
p. 479-490
Approximation of an interval by splines
p. 491-500
Operator of best approximation on finite-dimensional subspaces
p. 501-511

Sommaire du Fascicule no. 4

The 60th anniversary of Boris Moiseevich Levitan
On superpositions of continuous functions
p. 517-522
On the summability of functions analytic in star-shaped domains
p. 523-528
On the properties of a~class of integral operators in the space $L_p$
p. 529-535
Stability of spline approximation and the restoration of grid functions
p. 537-544
Necessary conditions for the stability of difference schemes
p. 545-552
A~criterion for algebraic dependence of transcendental numbers
p. 553-562
Generalization of a~theorem of Griffiths concerning algebraic cycles
p. 563-570
Ability of the solutions of a~system of nonlinear differential equations to oscillate
p. 571-576
On the nature of the spectrum of self-adjoint extensions of operators admitting separation of variables
p. 577-584
On unboundedly divisible distributions in Hilbert space
p. 585-594
Algebraic form of aЁtheorem of Hahn--Banach type for lattice manifolds
p. 595-600
Concerning Daniell integrals on an ultracomplete uniform space
p. 601-610
On the problem of determining the Riemannian metric $ds^2=\lambda^2(x)|dx|^2$
p. 611-617
Some generalizations of the Riemann spaces of Einstein
p. 619-622
Surfaces of fundamental type with geometric genus 2 and $c_1^2|X|=1$
p. 623-632
Local decompositions of pseudo-orthogonal groups
p. 633-643
Convergence of sequences of Riemann sums
p. 645-656
On some classes of uniqueness for the solution of integral geometry problems
p. 657-668
Finite-dimensional perturbations of Volterra operators
p. 669-680

Sommaire du Fascicule no. 5

On a~theorem of Jackson
p. 681-690
On best approximation in classes of periodic functions defined by integrals of a~linear combination of absolutely monotonic kernels
p. 691-701
On a~property of sums of independent variables
p. 703-706
Representation of extremal functions in the classes $E_q$ in terms of Green's and Neumann's functions
p. 707-716
On equations in free semigroups and groups
p. 717-724
On the asymptotic decomposition of a~solution of an initial-value problem in Banach space
p. 725-730
On the tensor product of representations of semisimple Lie groups
p. 731-739
Spectral asymptotic behavior of a~class of integral operators
p. 741-750
On complemented subspaces of simplex spaces
p. 751-761
On normal invariants of certain manifolds
p. 763-769
Groups that are not generated by certain $\mathfrak X$-abnormal subgroups
p. 771-776
Characterization of a~class of infinitely divisible distributions in Hilbert space
p. 777-782
One function complexly realizable by the Cascade method
p. 783-788
On almost reducible systems with almost periodic coefficients
p. 789-799
Approximation by rational functions in integral metrics and differentiability in the mean
p. 801-811
Some problems of the spectral theory of a~second-order differential equation with a~variable unbounded operator coefficient
p. 813-822
Obstructions to surgery for the group $(\pi\times Z_2)$
p. 823-832
Solvable subgroups of finite simple groups
p. 833-842
Extremal functional interpolation and approximation by splines
p. 843-854
О~конкурсах, проводимых АН СССР в 1975~году

Sommaire du Fascicule no. 6

The existence of discontinuous metric projections
p. 857-864
A~uniqueness theorem for multiple Lacunary trigonometric series
p. 865-870
On a~uniqueness problem
p. 871-878
On the distribution of zeroes of extremal functions in $E_p$-classes in finitely connected domains
p. 879-885
Limits of indeterminacy of sequences obtained from a~given sequence using a~regular transformation
p. 887-897
Finite groups with a~2-Sylow subgroup containing a~self-centralizing elementary Abelian subgroup of order 8
p. 899-906
Strong integral operators
p. 907-912
Uniform separability of sets and extensions of linear functionals
p. 913-919
Sturm--Liouville operators with matrix potentials
p. 921-932
Annihilator conditions in endomorphism rings of modules
p. 933-942
Structure of the closure of orbits in spaces of finite-dimensional linear $SL(2)$ representations
p. 943-950
Local limit theorems in $L_p$
p. 951-956
On elementary theories of graphs and Abelian loops
p. 957-968
On summability with a~weight of a~solution of the Sturm-Liouville equation
p. 969-980
Examples of ergodic cylindrical cascades
p. 981-991