Geodesic

Sommaire du Fascicule no. 1

Approximation theory. Asymptotical expansions

Conditions for the finiteness of majorants for sequences of operators and convergence of Fourier series
p. 3-20
Tur\'an's problem for positive definite functions with supports in a~hexagon
p. 21-29
On the Jackson--Stechkin inequality for the best $L^2$-approximations of functions by trigonometric polynomials
p. 30-46
Orders of the weighted Lebesgue constants for Fourier sums with respect to orthogonal polynomials
p. 47-61
The Jackson--Stechkin inequality with a~nonclassic modulus of continuity
p. 62-66
Introducing an equivalent metric in a~linear space by a~family of its subsets
p. 67-74
The Jackson--Stechkin inequality in $L_2[-\pi,\pi]$
p. 75-84
Weak perturbations of solutions with movable singularities
p. 85-104
Asymptotics of a~solution of the Kadomtsev-Petviashvili-2 equation
p. 105-134
The error of interpolation of functions by polynomials on $n$-simplexes
p. 135-143
A~problem of extremal interpolation for multivariate functions
p. 144-159
On the Ostrovskii--Peresyolkova conjecture about zeros of the Mittag-Leffler functions
p. 160-174
Approximative properties of interpolating $\mathcal L$-splines
p. 175-196
Trigonometric series with monotone type coefficients
p. 197-207
Splines and relative widths of classes of differentiable functions
p. 208-216
Wavelets which are orthonormal with respect to an inner product in the Sobolev space $W_2^m$ of periodic functions
p. 217-230
The Jackson--Stechkin inequality in the space $C(\mathbb T)$ with trigonometric continuity modulus annihilating the first harmonics
p. 231-237
Errata: ``Control of motion of multilink systems over a~rough plane''

Sommaire du Fascicule no. 2

Algebra. Topology

A~theory of central unit groups of integral group rings of groups $Sz(q)$
p. 3-16
On minimal nilpotent algebras of a~given nilpotency class
p. 17-26
On groups with relatively large centralizers
p. 27-33
Interactions and active fragments of the character table of a~finite group
p. 34-54
Maximal satellites of $\Omega$-foliated formations and Fitting classes
p. 55-71
On subspaces of functional spaces
p. 72-78
Semidistributive law and other quasi-identities in lattices of semigroup varieties
p. 79-94
On width in some class of groups with two generators and one defining relation
p. 95-102
Codes of $m$-complexity~1
p. 103-112
On degrees of irreducible characters of finite simple groups
p. 113-123
Small degree modular representations of finite groups of Lie type
p. 124-187
Ranks of the primitive parabolic permutation representations of classical groups of Lie type $A_l(q)$
p. 188-193
Torsion-free abelian groups with a~large number of endomorphisms
p. 194-207
On classes of finite groups with fixed Schmidt subgroups
p. 208-214
On the graphs with $µ$-subgraphs isomorphic to $K_{u\times 2}$
p. 215-224
An example of the nonfeebly compact product of $U$-$\theta$-closed spaces
p. 225-227
Topological invariants like separability
p. 228-235
Cardinal invariants of spaces with point-countable $T_0$-pseudobases
p. 236-247
Local degrees of cubical mappings
p. 248-256