Geodesic

Sommaire du Fascicule no. 1

Expression of the Riemann tensor of a~submanifold defined by a system of equations in Euclidean space
p. 3-9
Asymmetric decompositions of Abelian groups
p. 10-19
Interpolation and integral norms of hyperbolic polynomials
p. 20-29
Vahlen theorem for two-dimensional convergents
p. 30-37
Selberg's one-dimensional sieve with Buchstab weights of new type
p. 38-49
The sharp Jackson inequality in the space $L_p$ on the sphere
p. 50-62
Systems of matrix linear differential equations of first order
p. 63-75
A~topological structure on a~set of continuous functions with various domains
p. 76-88
Optimality conditions in extremal problems with nonregular inequality constraints
p. 89-101
Geometric properties of Fr\'echet spaces and selection of basis sequences
p. 102-111
Transformational antiatomic characteristic of ordered sets
p. 112-119
Generalized Hermann theorems and conformal holomorphic submersions
p. 120-134
Solution of Hilbert's problem for an annulus in a specific case and its application to an explosion problem
p. 135-144
First mixed problem for a~parabolic difference-differential equation
p. 145-153
Variational principle for semiclassical fermions
p. 154-156

Sommaire du Fascicule no. 2

A Sturm--Liouville problem with physical and spectral parameters in boundary conditions
p. 163-172
Spherical Coxeter groups and hyperelliptic 3-manifolds
p. 173-177
On a~property of solutions to the Poisson equation on polygons
p. 178-180
Concerning the Sierpinski--Schinzel system of Diophantine equations
p. 181-187
Almost semirecursive sets
p. 188-193
Stable discrete observation programs in analytic dynamical systems
p. 194-201
Extension of standard models of ZFC to models of Nelson's nonstandard set theory IST
p. 202-210
Asymptotic behavior of solutions to linear homogeneous second-order difference equations
p. 211-215
On the fundamental homology classes of a~real algebraic variety
p. 216-219
Some reducibilities and splittings of recursively enumerable sets
p. 220-230
Dynamics of a~free boundary in a~binary medium with variable thermal conductivity
p. 231-241
Coincidence of classes of functions defined by the generalized shift operator or by the order of best polynomial approximation
p. 242-257
Degrees of irreducible characters of the Suzuki 2-groups
p. 258-263
Quasi-Boolean powers of elementary Abelian $p$-groups
p. 264-274
On the Bruck--Slaby theorem for commutative Moufang loops
p. 275-281
On certain relations between the maximum modulus and the maximal term of an entire Dirichlet series
p. 282-292
Minimality and unique ergodicity of homogeneous actions
p. 293-301
Relationship between manifolds of solutions to generic and model generalized Cauchy--Riemann systems with a~singular point
p. 302-307
Evaluation of the Jacobian of a~rational transformation of~$\mathbb C^2$ and some applications
p. 308-312
On a~condition necessary for the existence of positive solutions to a~class of equations with $p$-Laplace operator
p. 312-314
Arithmetical problems with numbers of special type
p. 314-317
Bifurcation of a~limit cycle from the equilibrium submanifold in a~system with multiple cosymmetries
p. 317-320

Sommaire du Fascicule no. 3

Approximation of $MH_q^r$-class functions by Haar polynomials
p. 323-335
Two related extremal problems for entire functions of several variables
p. 336-350
Extension of $UV^n$-valued mappings
p. 351-363
Regular and singular perturbations of an abstract Euler--Poisson--Darboux equation
p. 364-371
Interpolation of functions by the least squares method
p. 372-379
The Bloch--Ogus spectral sequence of a real algebraic variety
p. 380-384
Tricomi problem for strongly degenerate equations of parabolic-hyperbolic type
p. 385-392
Estimates of the rate of decay of solutions to the impedance mixed problem for the wave equation in a~region with noncompact boundary
p. 393-400
A~direct method of construction of two-zone solutions of nonlinear equations
p. 401-406
Interpolation with gradient in the ball and polydisk
p. 407-416
Tensor invariants of natural mechanical systems on compact surfaces and the corresponding integrals
p. 417-430
An asymptotic method for calculating limits of maximal means
p. 431-438
Reduction of an invariant submodel of gas dynamics to canonical form
p. 439-444
Bounded three-dimensional Fano varieties of integer index
p. 445-451
Arithmetical properties of the values of $E$-functions
p. 452-458
Invariance principle for nonhomogeneous random walks on the grid~$\mathbb Z^1$
p. 459-472
On the selection of subsystems equivalent in distribution to the Rademacher system
p. 473-477
On interpolation in the classes~$E^p$
p. 477-480

Sommaire du Fascicule no. 4

On the measure of approximation of $\pi$ by algebraic numbers
p. 483-493
$K$-functionals and exact values of $n$-widths of some classes in~$L_2$
p. 494-499
Polynomiality criterion for entire functions of several complex variables
p. 500-502
A~selection theorem for a~new class of multivalued mappings
p. 503-507
A~Bernstein-type inequality for derivatives of rational functions on two segments
p. 508-514
A~boundary value problem for the Poisson equation for two media in $L_p^2$-spaces
p. 515-526
On a Hilbert identity
p. 527-532
Representation of homeotopies of a~torus by simple polyhedra with a~boundary
p. 533-539
Entire functions, analytic continuation, and the fractional parts of a~linear function
p. 540-550
On integral convolution operators
p. 551-555
Varieties of solvable index-two alternative algebras over a~field of characteristic three
p. 556-566
Smooth equivalence of differential equations, and linear automorphisms
p. 567-578
On the difference of the number of prime divisors of consecutive numbers
p. 579-595
Strong perturbations of the Haar system in the space $L_1(0,1)$
p. 596-602
Completeness of systems of entire functions in spaces of holomorphic functions
p. 603-616
A~lower bound for a~linear form
p. 617-623
Canonical form of a~fourth-degree polynomial in a~normal equation of a~real hypersurface in~$\mathbb C^3$
p. 624-626
Complete convergence of the Pearson statistic
p. 626-629
On the superfluidity of liquid helium
p. 630-632
Stein domains with Levi-plane boundaries on compact complex surfaces
p. 632-635
On formulas of Lannes and Viro--Polyak type for invariants of finite order
p. 635-640

Sommaire du Fascicule no. 5

On the weight of the comprehension axiom in a~theory based on logic without contractions
p. 643-652
Conformally invariant properties of approximately K\"ahlerian manifolds
p. 653-663
An infinite-dimensional 4-manifold of finite cohomological dimension with the continuum hypothesis
p. 664-670
Generalized sum of operators
p. 671-681
Double Kloosterman sums
p. 682-687
On the reducibility of a~nonnegatively Hamiltonian real periodic matrix to block-diagonal form
p. 688-695
On superpositions of continuous functions defined on a~Baire space
p. 696-705
On high-temperature superconductivity
p. 706-722
Schr\"odinger operators with singular potentials from spaces of multipliers
p. 723-733
Left almost split morphisms and generalized Weyl algebras
p. 734-740
Representation of the space of polyanalytic functions as the direct sum of orthogonal subspaces. Application to rational approximations
p. 741-759
Propagation of singularities of shock wave type in a~system of equations of two-dimensional pressureless gas dynamics
p. 760-769
On the Bellman approach to optimal control theory
p. 770-776
Predicate logics of expressively strong theories
p. 777-788
Stereotype algebras with reflection and the bicommutant theorem
p. 789-793
A~Lax pair for equations of the characteristics of averaged many-particle operators
p. 793-796
Polynomials that are orthogonal on two symmetric intervals
p. 796-800

Sommaire du Fascicule no. 6

On definable predicates of standardness in internal set theory
p. 803-809
Rigid isotopy classification of real algebraic curves of bidegree $(3,3)$ on quadrics
p. 810-815
Continuity of optimal controls in differential games, and some properties of weakly and strongly convex functions
p. 816-839
Higher Bruhat orders and relations in the braid group
p. 840-848
Asymptotics as $N\to\infty$ for $N$ classical fermions and bosons
p. 849-866
Normal subgroups of finite groups, and formations with normalizer conditions
p. 867-870
Multivalued solutions of second-order differential equations
p. 871-878
Weak amenability components of $L_1(G)$-modules, amenable groups, and an ergodic theorem
p. 879-886
On an abstract integrodifferential problem
p. 887-896
Sturm--Liouville operators with singular potentials
p. 897-912
$A_\infty$-simplicial objects and $A_\infty$-topological groups
p. 913-919
Two fixed-point theorems
p. 920-923
Singular point perturbations of an odd operator in a $\mathbb Z_2$-graded space
p. 924-940
Stereotype group algebras
p. 941-944
On the topological conjugacy of three-dimensional gradient-like diffeomorphisms with a~trivially embedded set of separatrices of saddle fixed points
p. 945-948
Bifurcation of auto-oscillations in the classical system of telegraph equations with a~nonclassical nonlinear boundary condition
p. 948-951
Equations in $\beta G$ and the decomposability of abelian groups
p. 951-953