Geodesic

Sommaire du Fascicule no. 51

Solution of nonlinear hyperbolic equations by an approximate analytical method
p. 5-14
A note on essentially indecomposable $n$-summable Abelian $p$-groups
p. 15-18
Around Euler's theorem on sums of divisors
p. 19-32
Investigation of the stationary mode existence in a system of conflict service of non-homogeneous demands
p. 33-47
Calculation of asian options for the Black--Scholes model
p. 48-63
Evaluation of effective thermal properties of titanium-based composites
p. 64-74
Numerical investigation of the effect of liquid filling on free oscillations of one-degree-of-freedom body
p. 75-85
Investigation of the interaction of tsunami waves and submerged obstacles of finite thickness in a hydrodynamic wave flume
p. 86-103
On the selective properties of nanoscale bifurcation
p. 104-116
An optimal aerodynamic design for the wing of a wide-body long-range aircraft
p. 117-129

Sommaire du Fascicule no. 52

Rank of formal matrix. System of formal linear equations. Zero divisors
p. 5-12
On an extremal problem for nonoverlapping domains
p. 13-24
Investigation of a plastic deformation inhomogeneity and failure of the corrosion-resistant bimetal under uniaxial tension
p. 25-34
Hysteresis of aerodynamic characteristics and its influence on the motion parameters of axisymmetric bodies
p. 35-40
Non-isothermal steady flow of power-law fluid in a planar/axismetric channel
p. 41-52
Study of the stress-strain and strength properties of the metal woven grids
p. 53-62
Mathematical simulation of a tethered satellite system motion with an inflatable spherical balloon during a spacecraft orbit injection
p. 63-74
Mathematical modelling of the spherical particle motion along an inclined surface in the shear flow
p. 75-88
Restrictions on stress components in the top of round cone
p. 89-101
Macrokinetics of combustion of layered compositions with a low-melting inert layer
p. 102-113
To the 85-th anniversary of V.G. Pryazhinskaya
p. 114-123

Sommaire du Fascicule no. 53

On symmetric cuts of a real-closed field
p. 5-15
Group of automorphisms of one class of formal matrix algebras
p. 16-21
On almost (para)complex Cayley structures on spheres $\mathbf{S}^{2,4}$ and $\mathbf{S}^{3,3}$
p. 22-38
On first Baire class functions defined on some classes of nonmetrizable spaces
p. 39-46
Calculation of the permeability of the stackings of multi-walled nanotubes
p. 47-58
Numerical investigation of the pressure pulsation magnitude and natural aeroacoustic frequencies in the combustion chambers with a charge of a complex shape
p. 59-72
Physical modeling of briquetting processes on the basis of the wastes of polydisperse coke particles and cryogels of a polyvinyl alcohol
p. 73-82
On numerical estimates of the parameters of localized plasticity during metal tension
p. 83-94
Flame propagation velocity in an aerosuspension of nanoscale aluminum powder
p. 95-106
Estimation of the reliability of a rectangular frame made of the porous metal in terms of its rigidity on the basis of probabilistic approach
p. 107-115
Modeling of the process of metallic tungsten fluorination
p. 116-129

Sommaire du Fascicule no. 54

Reduction of the acoustic inverse problem to an optimal control problem and its investigation
p. 5-16
On optimality of singular controls in an optimal control problem
p. 17-33
Associated left-invariant contact metric structures on the $7$-dimensional Heisenberg group~$H^7$
p. 34-45
Asymptotics of the Cauchy problem solution in the case of instability of a stationary point in the plane of "rapid motions"
p. 46-57
Research of a directed emission of linked body of the separable compound system under the action of aerodynamic forces
p. 58-65
Analysis of amplitude-dependent damping and its application in numerical calculations
p. 66-78
Comparison of the MUSCL-type schemes for a gas flow calculation in de Laval nozzles
p. 79-87
On the computation method for the stress intensity factor of a stationary crack in mode~I under dynamic loading
p. 88-102
The initial stage of transient layer formation between film and substrate during heating by a high-current electron beam
p. 103-117
Aerodynamic design for an isolated three-dimensional wing of an unmanned aerial vehicle
p. 118-130

Sommaire du Fascicule no. 55

On the set $K_3(G)$ of finite groups elements commuting exactly with three elements
p. 5-11
The structure of integrals of the second Loewner--Kufarev differential equation in a particular case
p. 12-21
On the convergence rate of the subgradient method with metric variation and its applications in neural network approximation schemes
p. 22-37
The grothendieck group $K_0$ of an arbitrary csp-ring
p. 38-44
Confluent hypergeometric functions of many variables and their application to the finding of fundamental solutions of the generalized helmholtz equation with singular coefficients
p. 45-56
Investigation of characteristics of turbulent flame with effect of low energy fluctuations
p. 57-71
Mathematical modeling of static deformation of a layered construction with incompressible layers
p. 72-83
Analysis of the effect of external physical fields on the casting of light alloys
p. 84-98
Investigation of the stabilezed flow of pseudoplastic liquid, described by the Sisko model, in the cylindrical tube
p. 99-112
Mathematical model of hydrogen sulfide injection into a natural reservoir accomponied by its hydrate formation
p. 113-123

Sommaire du Fascicule no. 56

On the embedding of two-dimetric phenomenologically symmetric geometries
p. 5-16
Boundary problems in a special domain for an equation of mixed type
p. 17-28
The hedging strategy for Asian option
p. 29-41
On the extension of pseudonorm and metrics to the semigroup ring
p. 42-56
Simulation of the conditions for a low-temperature crack appearance in the asphalt concrete layer of a road
p. 57-66
A method for determining natural frequencies of the dead-end branches of gas pipelines
p. 67-78
A numerical determining of the critical conditions for spark ignition and yielding of a stable combustion of a lean methane-air mixture
p. 79-87
Numerical investigation of the methane hydrate decomposition in the process of warm gas injection into a hydrate-saturated reservoir
p. 88-101
Stress components and loading restrictions at the vertices of regular triangular and quadrangular pyramids
p. 102-119
Investigation of the stability of an unmanned aerial vehicle wing optimizing in terms of its initial shape
p. 120-127