Geodesic

Sommaire du Fascicule no. 1

An algebra generated by multiplicative discrete convolution operators
p. 3-9
Approximating characteristic equations for autonomous systems of differential equations with aftereffect
p. 10-23
Construction of polynomials of a~special kind and examples of their application in the theory of power series and in the wavelet theory
p. 24-38
A locally directionally maximin test for a~multidimensional parameter with order-restricted alternatives
p. 39-48
A nonlocal boundary-value problem with conormal derivative for a~mixed-type equation with two inner degeneration lines and various orders of degeneracy
p. 49-58
A multiparametric family of solutions to a~singular Volterra integral equation in a~Banach space
p. 59-71
Reconstruction of solutions to a~generalized Moisil--Teodorescu system in a~spatial domain from their values on a~part of the boundary
p. 72-84
A semilattice generated by superlow computably enumerable degrees
p. 85-90
Solvability of some classes of nonlinear integro-differential equations with noncompact operator
p. 91-100
News of mathematical life

Sommaire du Fascicule no. 2

The boundary-value problem for differential-operator equations of the first order in a~locally convex space
p. 3-15
Spectral properties of difference and differential operators in weighted spaces
p. 16-21
One class of equations solvable in radicals
p. 22-30
A certain family of self-similar sets
p. 31-45
A method for solving a~general multi-valued complementarity problem
p. 46-53
One Goursat problem in a~Sobolev space
p. 54-64
The lower neighborhoods problem in a~space with closure and a~finitary theorem
p. 65-70
A nonlocal inverse problem for a~mixed-type equation
p. 71-85
On approximate constraint satisfaction
p. 86-102
Solvability of a~stationary model of motion of weak aqueous polymer solutions
p. 103-105
Stability of $n$-dimensional extremal surfaces of revolution
p. 106-109
News of mathematical life

Sommaire du Fascicule no. 3

Phase flows and vector Hamiltonians
p. 3-9
A multigrid method for weakly nonlinear elliptic equations of the second order
p. 10-19
Retract extensions of lattices
p. 20-29
Degrees of asynchronously automaton transformations
p. 30-40
The Shilov boundary and the Gelfand spectrum of algebras of generalized analytic functions
p. 41-49
The second generalized Frankl' problem for the Chaplygin equation with a~singular coefficient
p. 50-59
A problem with conditions analogous to Frankl' and Bitsadze--Samarskii ones for the Gellerstedt equation
p. 60-68
Solution of the spatial Tricomi problem for a~singular mixed-type equation by the method of integral equations
p. 69-85
Similarity of matrices with integer spectra over the ring of integers
p. 86-94
A majorant criterion for the total preservation of global solvability of controlled functional operator equation
p. 95-107

Sommaire du Fascicule no. 4

A criterion for the unique solvability of the Dirichlet spectral problem in a~cylindrical domain for a~multi-dimensional Lavrent'ev--Bitsadze equation
p. 3-7
An asymptotically optimal cubic spline
p. 8-14
One approach to factorization of positive integers
p. 15-22
The analysis of the stability of some integer programming algorithms with respect to the objective function
p. 23-32
Dual interior point algorithms
p. 33-53
Some cases of the solvability in a~closed form of singular integral equations and two-dimensional characteristic systems
p. 54-71
Some families of complex lines sufficient for holomorphic continuation of functions
p. 72-80
Solution of $n$-phase $\mathbb R$-linear conjugation problem
p. 81-88
Nearly K\"ahler and Hermitian $f$-structures on homogeneous $\Phi$-spaces of order~6
p. 89-98
Connection of some bilevel and nonlinear optimization problems
p. 99-103
The automorphism group of the lattice of all subalgebras of the semiring of polynomials over the semifield of nonnegative real numbers
p. 104-107
News of mathematical life

Sommaire du Fascicule no. 5

Gaussian white noise with trajectories in the space~$\mathcal S'(H)$
p. 3-11
A new variant of the subdomain method for integral equations of the third kind with singularities in the kernel
p. 12-18
Homogeneously simple associative algebras
p. 19-24
Stability of semi-autonomous difference equations
p. 25-34
Approximate solution of one singular integro-differential equation
p. 35-43
The boundary-value problem for the Lavrent'ev--Bitsadze equation with unknown right-hand side
p. 44-52
Small solutions of nonlinear differential equations near branching points
p. 53-61
A uniqueness theorem for solution of one Dirichlet problem
p. 62-67
Functional conditions for the convergence of Fourier series with respect to general orthonormal systems
p. 68-74
Matrices over a~semiring of binary relations and $V$-variable fractals
p. 75-79
Generalized Jordan normal forms of a~finite-dimensional linear operator
p. 80-83
An example of a~Carnot manifold with $C^1$-smooth basis vector fields
p. 84-87
Schemes of the finite element method with separation of singularity for a~two-point boundary-value problem of the 4th order with degenerate coefficients
p. 88-92
News of mathematical life

Sommaire du Fascicule no. 6

Representation of solutions of convolution equations in nonquasianalytic Beurling classes of ultradifferentiable functions of mean type
p. 3-11
The distribution of values of harmonic functions in the unit disk
p. 12-19
A study on generalized quasi-power increasing sequences
p. 20-24
Zygmund-type estimates for fractional integration and differentiation operators of variable order
p. 25-34
The Bagemihl theorem for the skeleton of a~polydisk and its applications
p. 35-43
Relative rotation and variational inequalities
p. 44-54
Finite rings with exactly two maximal subrings
p. 55-62
The best approximation of Laplace operator by linear bounded operators in the space $L_p$
p. 63-74
Convergence of skew-symmetric iterative methods
p. 75-79
The global error of one-step solution methods for stiff problems
p. 80-89
Solution of nonlinear stochastic equations with a~generator of a~semigroup discontinuous at zero
p. 90-99
Solution of boundary-value problems with generalized transmission conditions of the type of a~crack or a~screen
p. 100-106
News of mathematical life

Sommaire du Fascicule no. 7

A method for the localization of singularities of a~solution to a~convolution-type equation of the first kind with a~step kernel
p. 3-12
Codistributive elements of the lattice of semigroup varieties
p. 13-21
New series of weakly implicative selector sets
p. 22-27
One approach to the solution of Volterra integral equations with degenerate kernels
p. 28-36
Solvability of mixed-type optimal control problems for distributed systems
p. 37-47
A theorem on properties of sample functions of a~random field and generalized random fields
p. 48-56
The use of discrete dyadic wavelets in image processing
p. 57-66
Distributive and neutral elements of the lattice of commutative semigroup varieties
p. 67-79
The continuous dependence of solutions to algebraic differential systems on the initial data
p. 80-93
$N$-homogeneous $C^*$-algebras generated by idempotents
p. 94-103
News of mathematical life

Sommaire du Fascicule no. 8

Fully idempotent homomorphisms
p. 3-8
Localization of Cesaro means of Fourier series for functions of bounded $\Lambda$-variation
p. 9-13
Invariants of the action of a~semisimple finite-dimensional Hopf algebra on special algebras
p. 14-22
An exact penalty method for monotone variational inequalities and order optimal algorithms for finding saddle points
p. 23-33
Continuity of ring homomorphisms for local $C^\star$-algebras
p. 34-39
On $\infty$-quasivarieties
p. 40-45
Finite groups, whose primary subgroups are either $F$-subnormal or $F$-abnormal
p. 46-55
Solvability of geometrically nonlinear boundary-value problems for the Timoshenko-type anisotropic shells with rigidly clamped edges
p. 56-68
Sets invariant under an integral constraint on controls
p. 69-76
The closeness and closability criteria for infinitesimal operators of certain semigroups
p. 77-85
Attractors of weak solutions to a~regularized system of motion equations for fluids with memory
p. 86-89
Automaton transformations and monadic theories of infinite sequences
p. 90-93
The local geometry of Carnot manifolds at singular points
p. 94-97
News of mathematical life

Sommaire du Fascicule no. 9

Some applications of $P'$-sequences in studying boundary properties of arbitrary harmonic functions
p. 3-9
$L^1-H^1$ bounds for a~generalized Strichartz potential
p. 10-18
Stabilization methods for systems with two linear delays
p. 19-29
Trigonometric solutions of nonlinear first-order ordinary differential equations over a~Banach algebra
p. 30-43
On measure-compact operators
p. 44-51
The convergence rate of a~projection-difference method for an abstract coupled problem
p. 52-61
Infinitesimal affine transformations of the second order tangent bundle with horizontal lift connection
p. 62-69
Differential-geometric structures defining higher order contact transformations
p. 70-89
Hardy-type inequalities with power and logarithmic weights in domains of the Euclidean space
p. 90-94
An integral comparison theorem for cavitation diagrams
p. 95-98
Classification of ternary forms with zero Hessian
p. 99-101
News of mathematical life

Sommaire du Fascicule no. 10

Uniqueness of a~positive solution to the Dirichlet problem for a~quasilinear equation with $p$-Laplacian in a~ball
p. 3-11
Finite nilpotent groups with relatively large centralizers of noninvariant subgroups
p. 12-16
Solvability of a~periodic boundary value problem for systems of functional differential equations with cyclic matrices
p. 17-27
Solution approximation in a~minimax control problem for a~singularly perturbed system with delay
p. 28-39
The existence of fixed points of left-continuous monotone operators in spaces with a~regular cone
p. 40-47
The set of quantum states and its averaged dynamic transformations
p. 48-58
One generalization of the class of helical functions
p. 59-67
Degenerate integro-differential operators in Banach spaces and their applications
p. 68-79
A complete description of the Lebesgue functions for classical Lagrange interpolation polynomials
p. 80-88
A compact quantum semialgebra generated by an isometry
p. 89-93
The Haagerup problem on subadditive weights on $W^*$-algebras
p. 94-98

Sommaire du Fascicule no. 11

A method of algebraic extension of the Lagrangian of weak interactions to non-associative algebra
p. 3-11
Mathematical modeling of the stress state of a~transverse plastic layer in a~round rod
p. 12-22
Derivations of a~matrix ring containing a~subring of triangular matrices
p. 23-33
Relationship between matching and assignment problems
p. 34-40
The structure of dendrites with the periodic point property
p. 41-45
A modification of an approach to the solution of the Hilbert boundary-value problem for an analytic function in a~multiconnected circular domain
p. 46-57
Natural multitransformations of multifunctors
p. 58-71
Iterated Boolean functions in the elementary basis
p. 72-77
Regularization of linear difference equations with analytic coefficients and their applications
p. 78-83
Spectra of discrete symplectic eigenvalue problems with separated boundary conditions
p. 84-88
On the word problem for the free Burnside semigroups satisfying~$x^2=x^3$
p. 89-93

Sommaire du Fascicule no. 12

Generalized $SV$-rings of bounded index of nilpotency
p. 3-14
A criterion for a~spherical design associated with V.\,A.~Yudin potentials
p. 15-20
Exact solutions of two limiting quasistationary electrochemical shaping
p. 21-29
Stability of a~linear difference equation and estimation of its fundamental solution
p. 30-41
A multisheet plane figure and its medial axis
p. 42-53
On an extreme point conjecture for concave functions
p. 54-58
Enumeration of quadrics of projective spaces over local rings
p. 59-63
Approximations of almost periodic functions by entire ones
p. 64-70
Sharp estimates for functions with a~pole and a~logarithmic singularity
p. 71-75
Solvability of a~multivalued filtering problem in a~heterogeneous environment with a~distributed source
p. 76-80
Quasisolution of an inverse boundary-value problem in aerohydrodynamics with a~limited maximum velocity on a~contour in a~range of angles of attack
p. 81-86
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