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Izvestiya of Saratov University.
Mathematics. Mechanics. Informatics
ISSN 1816-9791 (Print)
ISSN 2541-9005 (Online)
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Mathematics
Asymptotics Around the Degeneration Spot of Heat Equation Solution with Strong Degeneration
An Inverse Problem for Quasilinear Elliptic Equations
Recovering Differential Operators on a Graph with a Cycle and with Generalized Matching Conditions
On Convergence of Fourier – Vilenkin Series in L p [0, 1), 0 < p ≤ 1
Approximative Properties of Mixed Series by Lagerre’s Polynomials on Classes of Smooth Functions
On Inverse Nodal and Spectral Problems for Boundary Value Problems with Discontinuity Conditions Inside the Interval
About Approximation Multinominals, Orthogonal on Any Grids
On the Solvability of the Inverse Sturm – Liouville Problem in the Central Symmetry Case
On Laguerre Expansions Summability by the Linear Methods
On the Equiconvergence of Expansions for the Certain Class of the Functional-Differential Operators with Involution on the Graph
Three-Element Boundary Value Problem of Riemann Type for Metaanalytical Functions in a Circle
Approximating Properties of the Powers of the Differentiation Operator Resolvent
The Mixed Problem for the Differential Equation with Involution and Potential of the Special Kind
On a Approximate Solution of the Problem of Aspherical Convex Compact Set
The Inverse Problem of Spectral Analysis for the Matrix Sturm – Liouville Equation
Uniqueness of the Solution of the Inverse Problem for Differential Operators on Arbitrary Compact Graphs
Finite Closed 3(4)-Loops of Extended Hyperbolic Plane
Homotopy Groups of Space of Tolerant Loops
The Classification of Complexes of Lines in Zeroth Order Frame in F ̄2 3 Space
Approximating Properties of Solutions of the Differential Equation with Integral Boundary Condition
Hilbert Generalizations b-Bessel Systems
On One Special Mapping
On Weighted Analogs of Wiener’s and Levy’s Theorems for Fourier – Vilenkin Series
Variable Order and Step Algorithm Based on a Stages of Runge – Kutta Method of Third Order of Accuracy
Analysis of Heterogeneous Queueing Networks with Batch Movements of Customers
About Asymptotic Polynomials, Orthogonal on Any Grids
Nonorthogonal Multiresolution Analysis on Zero-Dimensional Locally Compact Groups
On Characterization Determining Entire Functions and Consistent with Riman’s Type Equation Dirichlet’s Series with Finetly-Valued Coefficients
Approximation of Functions by Borel Means of Fourier Series with Respect to Multiplicative Systems
On Iterative Method of Constructing Optimal Control for Singularly Perturbed Systems with Delay with Quadratic Constraints
Problem with Conditions on all Boundary for One 6-th Order Pseudoparabolic Equation
Optimality Solutions in Games with Preference Relations
Parametrization of Bivariate Nonseparable Haar Wavelets
The Characteristic of Stability of the Solution in the Problem of Convex Compact Set Asphericity
Λ-Summability and Multiplicators of Holder Classes of Fourierseries with Respect ̈ to Character Systems
On Explicit and Exact Solutions of the Markushevich Boundary Problem for Circle
Finite Closed 5-Loops of Extended Hyperbolic Plane
Solvability of Boundary Value Problems for the Schrodinger Equation with Purely Imaginary Coefficient
Inverse Problem for Sturm – Liouville Operators in the Complex Plane
To Chang Theorem. III
On Application of Elliptic Curves in Some Electronic Voting Protocols
On the Representation of Functions by Absolutely Convergent Series by H-system
Asymptotic Formulae for Weight Numbers of the Sturm – Liouville Boundary Problem on a Star-shaped Graph
Stability of Periodic Billiard Trajectories in Triangle
Recurrence Relations for Polynomials Orthonormal on Sobolev, Generated by Laguerre Polynomials
Approximation Properties of Dicrete Fourier Sums for Some Piecewise Linear Functions
Almost Periodic at Infinity Functions Relative to the Subspace of Functions Integrally Decrease at Infinity
Adjustment of Functions and Lagrange Interpolation Based on the Nodes Close to the Legendre Nodes
Connections of Nonzero Curvature on Three-dimensional Non-reductive Spaces
Approximation of Control for Singularly Perturbed System with Delay with Integral Quadratic Constraints
On Almost Nilpotent Varieties with Integer PI-Exponent
Equiconvergence Theorem for Integral Operator with Involution
Generalized Absolute Convergence of Series with Respect to Multiplicative Systems of Functions of Generalized Bounded Variation
On the Geometric Structure of the Continuos Mappings Preserving the Orientation of Simplexes
Linear Difference Equation of Second Order in a Banach Space and Operators Splitting
On Recovering Integro-Differential Operators from the Weyl Function
On an Inner Estimate of a Convex Body by the Lebesgue Set of Convex Differentiable Function
Embeddings of Generalized Bounded Variation Function Spaces into Spaces of Functions with Given Majorant of Average Modulus of Continuity
Well-posedness of the Dirichlet Problem for One Class of Degenerate Multi-dimensional Hyperbolic-parabolic Equations
On Multiple Completeness of the Root Functions of the Pencils of Differential Operators with Constant Coefficients
Estimation of Operator Norms in Eigenvalue Problems for Equations with Discontinuous Operators
Finding of Accessory Parameters for Mixed Inverse Boundary Value Problem with Polygonal Known Part of Boundary
On Idempotent Elements of Semigroup of Increasing Monotonous Mappings
Solvability of Evolutionary Equations in Generalized Transmission Problems for Shallow Shells
On Classical Solvability of One-Dimensional Mixed Problem for Fourth Order Semilinear Biparabolic Equations
On the Number of Solutions of Nonlinearity Boundary Value Problems with a Stieltjes Integral
Substantiation of Fourier Method in Mixed Problem with Involution
Applicathion the Pontryagin‘s Maximum Principle to Optimal Economics Models
On Congruences of Partial n-ary Groupoids
Cramer’s Formulas for Systems of Linear Equations and Inequalities Over Boolean Algebra
Polynomials, Orthogonal on Non-Uniform Grids
Generalization of Method A. A. Dorodnicyn Close Calculation of Eigenvalues and Eigenvectors of Symmetric Matrices on Case of Self-Conjugate Discrete Operators
The Solvability of a System of Nonlinear Integral Equations of Hammerstein Type on the Whole Line
Harmonic Analysis of Operator Semigroups Slowly Varying at Infinity
Multiple Completeness of the Root Functions of the Pencils of Differential Operators with Constant Coefficients and Splitting Boundary Conditions
Martingale Inequalities in Symmetric Spaces with Semimultiplicative Weight
The Il’in Spectral Method for Determination of the Properties of the Basis Property and the Uniform Convergence of Biorthogonal Expansions on a Finite Interval
Necessary and Sufficient Condition for an Orthogonal Scaling Function on Vilenkin Groups
Nonlocal Boundary-Value Problems in the Cylindrical Domain for the Multidimensional Laplace Equation
Approximation of Continuous 2π-Periodic Piecewise Smooth Functions by Discrete Fourier Sums
On Inverse Problem for Differential Operators with Deviating Argument
Hermite Interpolation on a Simplex
Some Properties of 0/1-Simplices
Criterion for a Generalized Solution in the Class Lp for the Wave Equation to Be in the Class Wp^1
Non-reductive Homogeneous Spaces Not Admitting Normal Connections
An Asymptotic Relation for Conformal Radii of Two Nonoverlapping Domains
Classification of Prolonged Bi-metric Structures on Distributions of Non-zero Curvature of Sub-Riemannian Manifolds
Special Examples of Superstable Semigroups and Their Application in the Inverse Problems Theory
Polynomials Orthogonal with Respect to Sobolev Type Inner Product Generated by Charlier Polynomials
The Solution of the Inverse Boundary Value Problem for a Wing Profile, Located Close to Rectilinear Screen, in a New Setting
On Binary B-splines of Second Order
A Mixed Problem for a Wave Equation with a Nonzero Initial Velocity
Recovering singular differential pencils with a turning point
An extension of the ordering to the set of probability measures
On regularity of self-adjoint boundary conditions
On optimal choice of interpolation spline on triangular net
The Principle of Localization at the Class of Functions Integrable in the Riemann for the Processes of Lagrange – Sturm – Liouville
On Definability of Universal Graphic Automata by Their Input Symbol Semigroups
On the Geometry of Three-dimensional Pseudo-Riemannian Homogeneous Spaces. I
Asymptotics of Solutions of Some Integral Equations Connected with Differential Systems with a Singularity
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