Mathematical Notes

Article	Citations
Uniform Convexity in Nonsymmetric Spaces	16
Inverse Problem for Finding the Order of the Fractional Derivative in the Wave Equation	15
Feedback Optimal Control Problem for a Network Model of Viscous Fluid Flows	14
Elliptic Differential-Difference Equations in the Half-Space	11
Existence of Real Solutions of Nonlinear Equations without A Priori Normality Assumptions	10
Sharp Bounds for the Largest Eigenvalue	9
On the Uniform Stability of Recovering Sine-Type Functions with Asymptotically Separated Zeros	9
Exact Dynamics of Moments and Correlation Functions for GKSL Fermionic Equations of Poisson Type	9
Direct and Inverse Problems for the Matrix Sturm–Liouville Operator with General Self-Adjoint Boundary Conditions	9
Existence of $$T/k$$-Periodic Solutions of a Nonlinear Nonautonomous System Whose Matrix Has a Multiple Eigenvalue	8
Elliptic Differential-Difference Equations of General Form in a Half-Space	7
On the Analytic and Geometric Properties of Mappings in the Theory of $$\mathscr Q_{q,p}$$-Homeomorphisms	7
Estimates of the Values of $$n$$-Widths of Classes of Analytic Functions in the Weight Spaces $$H_{2,\gamma}(D)$$	7
On a Method for Studying the Asymptotics of Solutions of Odd-Order Differential Equations with Oscillating Coefficients	6
Sturm Separation Theorems for a Fourth-Order Equation on a Graph	6
Asymptotics of the Riemann–Hilbert Problem for the Somov Model of Magnetic Reconnection of Long Shock Waves	6
Codazzi and Killing Tensors on a Complete Riemannian Manifold	6
Sub-Lorentzian Problem on the Heisenberg Group	6
Elliptic Equations with Translations of General Form in a Half-Space	6
On Joint Universality of the Riemann Zeta-Function	6
Lorentzian Geometry on the Lobachevsky Plane	6
On Orthogonally Additive Operators in Lattice-Normed Spaces	6
On Sequential Properties of Spaces of Measures	5
An Invariant Subbundle of the KZ Connection mod $$p$$ and Reducibility of $$\widehat{{\mathfrak{sl}_2}}$$ Verma Modules mod $$p$$	5
Almost Sharp Descriptions of Traces of Sobolev Spaces on Compacta	5

Example of Divergence of a Greedy Algorithm with Respect to an Asymmetric Dictionary	5
The Kantorovich Problem with a Parameter and Density Constraints	5
On the Gradient Projection Method for Weakly Convex Functions on a Proximally Smooth Set	5
Existence of Semiregular Solutions of Elliptic Systems with Discontinuous Nonlinearities	5
Determination of the Heat Transfer Coefficient in Mathematical Models of Heat and Mass Transfer	5
Endpoint Functions: Mathematical Apparatus and Economic Applications	5
The Moutard Transformation for the Davey–Stewartson II Equation and Its Geometrical Meaning	5
Some Classical Problems of Geometric Approximation Theory in Asymmetric Spaces	5
Refinement of Estimates of Sums of Sine Series with Monotone Coefficients and Cosine Series with Convex Coefficients	5
Schur’s Criterion for Formal Newton Series	5
On Recovering the Sturm–Liouville Differential Operators on Time Scales	5
Approximatively Compact Sets in Asymmetric Efimov–Stechkin Spaces and Convexity of Almost Suns	5
Sufficient Conditions for the Linear Convergence of an Algorithm for Finding the Metric Projection of a Point onto a Convex Compact Set	4
Preservation of the Existence of Zeros in a Family of Set-Valued Functionals and Some Consequences	4
Estimates of Derivatives in Sobolev Spaces in Terms of Hypergeometric Functions	4
On Classes of Subcompact Spaces	4
Spectral Properties of the Nonsectorial Sturm–Liouville Operator on the Semiaxis	4
Classical Solutions of a Multidimensional Hyperbolic Differential–Difference Equation with Shifts of Various Directions in the Potentials	4
Locally Weak Version of the Contraction Mapping Principle	4
Multiplicity Results of a Nonlocal Problem Involving Concave-Convex Nonlinearities	4
Asymptotics of Solutions of Two-Term Differential Equations	4
Three Formations over $$\mathfrak U$$	4
On the Approximability and Parametrization of Preimages of Elements of Carnot Groups on Sub-Lorentzian Structures	4
Uniqueness of the Solution of a Nonlocal Problem for an Elliptic-Hyperbolic Equation with Singular Coefficients	4
Automorphisms of Nonnormal Toric Varieties	4
On the Minimal Number of Edges in Induced Subgraphs of Special Distance Graphs	4
Schwarz’s Lemma and Estimates of Coefficients in the Case of an Arbitrary Set of Boundary Fixed Points	4
Further Apéry-Like Series for Riemann Zeta Function	4
Lauricella Function and the Conformal Mapping of Polygons	4
Homology of Digraphs	4
On Descriptive Characterizations of an Integral Recovering a Function from Its $$L^r$$-Derivative	4
Finite-Dimensional Spaces where the Class of Chebyshev Sets Coincides with the Class of Closed and Monotone Path-Connected Sets	3
Infinitely Many Solutions for a Class of Kirchhoff Problems Involving the $$p(x)$$-Laplacian Operator	3
Binary Leibniz Algebras	3
Some Properties of Subcompact Spaces	3
The Existence of Zeros of Multivalued Functionals, Coincidence Points, and Fixed Points in $$f$$-Quasimetric Spaces	3
On Weyl-type Solutions of Differential Systems with a Singularity. The Case of Discontinuous Potential	3
Reconstruction of a Generalized Fourier Series from Its Sum on a Compact Zero-Dimensional Group in the Non-Abelian Case	3
Two Examples Related to Properties of Discrete Measures	3
Note on Partitions with Even Parts below Odd Parts	3
A New Proof of a Result Concerning a Complete Description of $$ (n, n + 2) $$-Graphs with Maximum Value of the Hosoya Index	3
Continuity of a Metric Function and Projection in Asymmetric Spaces	3
On Orbits and Bi-invariant Subsets of Binary $$G$$-Spaces	3
Analogs of Schmidt’s Formula for Polyorthogonal Polynomials of the First Type	3
On a Method for Studying the Asymptotics of Solutions of Sturm–Liouville Differential Equations with Rapidly Oscillating Coefficients	3
Uniqueness Criterion for Solutions of Nonlocal Problems on a Finite Interval for Abstract Singular Equations	3
Existence of Solutions to the Second Boundary-Value Problem for the $$p$$-Laplacian on Riemannian Manifolds	3
Freiman Cover Ideals of Unmixed Bipartite Graphs	3
Regular Spectral Problems of Hyperbolic Type for a System of First-Order Ordinary Differential Equations	3
Remarks on Galois Rational Coverings	3

Grand Herz–Morrey Spaces with Variable Exponent	3
Generalized Solutions of the Second Boundary-Value Problem for Differential-Difference Equations with Variable Coefficients on Intervals of Noninteger Length	3
Multidimensional Analogs of Theorems about the Density of Sums of Shifts of a Single Function	3
Continuity of $$L_{p}$$ Balls and an Application to Input-Output Systems	3
Existence of Solutions to the Nonlinear Kantorovich Transportation Problem	3
Finite 3-Subgroups in the Cremona Group of Rank 3	3
Asymptotics of Sums of Cosine Series with Fractional Monotonicity Coefficients	3
Emergence of a Hierarchy of Singularities in Zero-Pressure Media. Two-Dimensional Case	3
Periodic Contrast Structures in the Reaction-Diffusion Problem with Fast Response and Weak Diffusion	3
On the Approximation of Analytic Functions by Shifts of an Absolutely Convergent Dirichlet Series	3
Properties of Monotone Connected Sets	3
Mixed Problem for a General 1D Wave Equation with Characteristic Second Derivatives in a Nonstationary Boundary Mode	3
On Optimization of Tax Functions	3
On Commuting Automorphisms of Finite $$p$$-Groups	3
Alexandroff Homology and Path Homology	3
Marcinkiewicz Interpolation Theorem for Spaces of Hardy Type	3
Uniqueness Criterion for the Solution of Boundary-Value Problems for the Abstract Euler–Poisson–Darboux Equation on a Finite Interval	3
Morse Index of Saddle Equilibria of Gradient-Like Flows on Connected Sums of $$\mathbb S^{n-1}\times \mathbb S^1$$	3
Uniqueness of the Solution of a Class of Integral Equations with Sum-Difference Kernel and with Convex Nonlinearity on the Positive Half-Line	3
Exact Discretization of the $$L_2$$-Norm with Negative Weight	3
An Elementary Analog of the Operator Method in Additive Combinatorics	2
On Unstable Solutions with a Nonmonotone Boundary Layer in a Two-Dimensional Reaction-Diffusion Problem	2
On the Construction of Stability Indicators for Nonnegative Matrices	2
On the Estimates of Periodic Eigenvalues of Sturm–Liouville Operators with Trigonometric Polynomial Potentials	2
Completely Prime Ideals in Multiplicatively Idempotent Semirings	2
Inverse Problem for an Integrodifferential Equation of the Hyperbolic Type in a Rectangular Domain	2
Equicontinuity of Families of Mappings with One Normalization Condition	2
An Example of a Concircular Vector Field on a Locally Conformally Kähler Manifold	2
Rate of Convergence of Chernoff Approximations of Operator $$C_0$$-Semigroups	2
Existence Results for Nonlinear Elliptic Equations with Leray–Lions Operators in Sobolev Spaces with Variable Exponents	2
Boundedness of Hadamard–Bergman and Variable Hadamard–Bergman Convolution Operators	2
Approximation Properties of the Vallée-Poussin Means of Partial Sums of a Special Series in Laguerre Polynomials	2
Smooth Prime Fano Complete Intersections in Toric Varieties	2
Basic Predicate Calculus is not Sound with Respect to the Strong Variant of Strictly Primitive Recursive Realizability	2
On Polynomials Defined by the Discrete Rodrigues Formula	2
On Spaces Associated with Weighted Cesàro and Copson Spaces	2
Spectra of Self-Similar Ergodic Actions	2
Spectral Asymptotics of Solutions of a $$2\times 2$$ System of First-Order Ordinary Differential Equations	2
Perturbation of a Simple Wave in a System with Dissipation	2
New Approach to the Procedure of Quantum Averaging for the Hamiltonian of a Resonance Harmonic Oscillator with Polynomial Perturbation for the Example of the Spectral Problem for the Cyli	2
On the Discreteness of the Spectrum of Matrix Schrödinger and Dirac Operators with Point Interactions	2
On the Embedding of the First Nonconstructive Ordinal in the Rogers Semilattices	2
On a Finite Group Generated by Subnormal Supersoluble Subgroups	2
Compactifications of Homeomorphism Groups of Linearly Ordered Compacta	2
Density of the Semigroup Generated by Curves through Zero in a Banach Space	2
Measure of Images of Contact Mappings on Two-Step Sub-Lorentzian Structures	2
Density of Derivatives of Simple Partial Fractions in Hardy Spaces in the Half-Plane	2
$$C^*$$-Algebras of Transmission Problems and Elliptic Boundary Value Problems with Shift Operators	2
Solution Blow-Up for a Fractional Fourth-Order Equation of Moore–Gibson–Thompson Type with Nonlinearity Nonlocal in Time	2
Density of Smooth Functions in Anisotropic Weighted Sobolev Spaces with Weights that are Locally Bounded and Locally Bounded Away from Zero	2
Finite Factorizable Groups with $$\mathbb P$$-Subnormal $$\mathrm v$$-Supersolvable and $$\mathrm{sh}$$-Supersolvable Factors	2
Reidemeister Classes in Some Lamplighter-Type Groups	2
Optimal Two-Sided Estimates on the Interval $$[\pi/2,\pi]$$ of the Sum of the Sine Series with Convex Coefficient Sequence	2
Sheaves of Noncommutative Smooth and Holomorphic Functions Associated with the Non-Abelian Two-Dimensional Lie Algebra	2
Dynamics of Moments and Stationary States for GKSL Equations of Classical Diffusion Type	2
Differential and Integral Operations in Hidden Spherical Symmetry and the Dimension of the Koch Curve	2
On Estimates of Uniform Approximations by Rational Fourier–Chebyshev Integral Operators for a Certain Choice of Poles	2
On $$Z$$-Sets in the Space of Idempotent Probability Measures	2
Chebyshev Sets with Piecewise Continuous Metric Projection	2
A Sylvester–Gallai Type Theorem for Abelian Groups	2
On the Best Simultaneous Approximation in the Bergman Space $$B_2$$	2
Extremality of Gibbs Measures for the $$HC$$-Blume–Capel Model on the Cayley Tree	2
Upper Bounds for the Expected Maxima of Independent Random Variables Given Known First Four Moments	2
On Disjointly Homogeneous Orlicz–Lorentz Spaces	2
On the Solvability of Nonlinear Parabolic Functional-Differential Equations with Shifts in the Spatial Variables	2
Historic Behavior in Discrete-time Replicator Dynamics	2
Semiclassical Asymptotics for a Difference Schrödinger Equation with Two Coalescent Turning Points	2
On the Dynamic Solution of the Volterra Integral Equation in the Form of Rational Spline Functions	2
Harmonicity of Slant Conformal Riemannian Maps	2
Uniqueness Theorems for Multiple Franklin Series Converging over Rectangles	2
Nonsingular Morse–Smale Flows with Three Periodic Orbits on Orientable $$3$$-Manifolds	2
Local Dynamics of Chains of Van der Pol Coupled Systems	2
Sharp Inequalities for Rational Functions on a Circle	2
On the Krein–Rechtman Theorem in the Presence of Multiple Points	2
Rotary Mappings and Projections of a Sphere	2
Uniqueness of the Solution of the Inverse Problem for a Model of the Dynamics of an Age-Structured Population	2
First-Order Complexity of Subgraph Isomorphism via Kneser Graphs	2
Borsuk’s Partition Problem in $$(\mathbb{R}^{n},\ell_{p})$$	2
Refinement of Relations between Mixed Moduli of Smoothness in the Metrics of $$L_p$$ and $$L_\infty$$	2
On the Uniqueness Sets of Multiple Walsh Series for Convergence in Cubes	2

Estimates for the Dimension of Attractors of a Regularized Euler System with Dissipation on the Sphere	2
Comparison of Arithmetic, Geometric, and Harmonic Means	2
Smooth Nonprojective Equivariant Completions of Affine Space	2
On the Positivity of Average Sums of Sine Series with Monotone Coefficients	2
Absolute Continuity of the Spectrum of a Periodic 3D Magnetic Schrödinger Operator with Singular Electric Potential	2
Asymptotics of the Independence Number of a Random Subgraph of the Graph $$G(n,r,<s)$$	2
Optimal Recovery Methods Exact on Trigonometric Polynomials for the Solution of the Heat Equation	2
Randol Maximal Functions and the Integrability of the Fourier Transform of Measures	2
Numerical Simulation of the Variable Order Fractional Integro-Differential Equation via Chebyshev Polynomials	2
Approximation by Simple Partial Fractions: Universal Sets of Poles	2
A Characterization of Separable Hypersurfaces in Euclidean Space	2
On the Blow-Up of the Solution of a Nonlinear System of Equations of a Thermal-Electrical Model	2
On the Isomorphism and Diffeomorphism of Compact Semisimple Lie Groups	2
Almost Binarity of Countably Categorical Weakly Circularly Minimal Structures	2
Solvability and Blow-Up of Weak Solutions of Cauchy Problems for $$(3+1)$$-Dimensional Equations of Drift Waves in a Plasma	2
Third Boundary-Value Problem in the Half-Strip for the $$B$$-Parabolic Equation	2
Asymptotic Solution of the Cauchy Problem for a First-Order Differential Equation with a Small Parameter in a Banach Space	2
Projection Greedy Algorithm	2
On Automorphisms of Direct Products of CR Manifolds	2
On Integral Operators with Homogeneous Kernels in Weighted Lebesgue Spaces on the Heisenberg Group	2
The $$L_{p}$$-Mixed Geominimal Surface Areas	2
Covering a Set by a Convex Compactum: Error Estimates and Computation	2
Sharp Inequalities between the Best Root-Mean-Square Approximations of Analytic Functions in the Disk and Some Smoothness Characteristics in the Bergman Space	2
Probabilistic Interpretation of the Vanishing Viscosity Method for Systems of Conservation and Balance Laws	2
The Method of Harmonic Mapping of Regions with a Notch	2
Non-Abelian Groups Acting on Severi–Brauer Surfaces	2
Comparison Method for Studying Equations in Metric Spaces	2
Almost Everywhere Convergence of Multiple Trigonometric Fourier Series of Functions from Sobolev Classes	1
On the Boundedness of the Maximal Operators Associated with Singular Hypersurfaces	1
On Abelian Groups Having Isomorphic Proper Strongly Invariant Subgroups	1
Walsh-Type Functions on $$M$$-Positive Sets in $$\mathbb R^d$$	1
Criterion for the Existence of Two-Point Oscillatory Solution of a Perturbed System with a Relay	1
Perfect Domination Polynomial of Homogeneous Caterpillar Graphs and of Full Binary Trees	1
Direct Theorems on Approximation of Periodic Functions with High Generalized Smoothness	1
On Lattice Properties of the Lorentz Spaces $$L_{p,q}$$	1
Global Structure of Positive Solutions of Fourth-Order Problems with Clamped Beam Boundary Conditions	1
A Remark on the Inverse Scattering Problem for the Perturbed Hill Equation	1
$$\mathrm{SOR}$$-Like Method for a New Generalized Absolute Value Equation	1
On the Approximation of Solutions to the Heat Equation in the Lebesgue Class $$L^2$$ by More Regular Solutions	1
Estimate of the Hölder Exponent Based on the $$\epsilon$$-Complexity of Continuous Functions	1
Inverse Approximation Theorems in the Spaces $$S^{(p,q)}(\sigma^{m-1})$$	1
On the Dimension of the Space of Weakly Additive Functionals	1
Linear Inhomogeneous Congruences in Continued Fractions on Finite Alphabets	1
Relationship Between the Best $$L_p$$ Approximations of Splines by Polynomials with Estimates of the Values of Intermediate Derivatives in Sobolev Spaces	1
On the Volterra Factorization of the Wiener–Hopf Integral Operator	1
Exponent of Convergence of a Sequence of Ergodic Averages	1
On the Connection between the Growth of Zeros and the Decrease of Taylor Coefficients of Entire Functions	1
Blow-Up of Solutions of Coupled Parabolic Systems and Hyperbolic Equations	1
Remarks on the Uniform and Absolute Convergence of Orthogonal Series	1
A Note on the Symmetry of Sequence Spaces	1
Estimates of the Number of Edges in Subgraphs of Johnson Graphs	1
Solution of a Boundary Value Problem for a System of Integro-Differential Equations Arising in a Model of Plasma Physics	1
Perturbations of Nonhyperbolic Algebraic Automorphisms of the 2-Torus	1
Hugoniot–Maslov Chain for Shock Waves in Buckley–Leverett Equations	1
On Numbers Not Representable as $$n+w(n)$$	1
Operator-Norm Resolvent Asymptotic Analysis of Continuous Media with High-Contrast Inclusions	1
On Self-Correcting Logic Circuits of Unreliable Gates with at Most Two Inputs	1
Projectively Invariant Subgroups of Abelian $$p$$-Groups	1
Trees of Diameter 6 and 7 with Minimum Number of Independent Sets	1
On the Continuation of Solutions of Linear Equations with Analytic Coefficients	1
Formula Complexity of a Linear Function in a $$k$$-ary Basis	1
Inequalities between Best Polynomial Approximants and Smoothness Characteristics of Functions in $$L_2$$	1
Behavior of Solutions to the Fuzzy Difference Equation $$z_{n+1}=A+\dfrac{B}{z_{n-m}}$$	1
Quotient Divisible Groups of Rank 2	1
Asymptotic Solutions of the Discrete Painlevé Equation of Second Type	1
Distributions of Second Order Polynomials in Gaussian Random Variables	1
Bifurcations in the Logistic Equation with Diffusion and Delay in the Boundary Condition	1
Fast Algorithms for Solving the Inverse Scattering Problem for the Zakharov–Shabat System of Equations and Their Applications	1
Chromatic Numbers of Distance Graphs without Short Odd Cycles in Rational Spaces	1
Embeddings of Spaces of Functions of Positive Smoothness on a Hölder Domain in Lebesgue Spaces	1
Dynamics of Supports of Extremal Measures in the Field of a Point Charge	1
Finite Groups with Formation Subnormal Normalizers of Sylow Subgroups	1
Erratum to: Real-Imaginary Conjugacy Classes and Real-Imaginary Irreducible Characters in Finite Groups	1
Explicit Formulas for the Matrix Logarithm and the Principal Matrix Logarithm	1
Regularity of the Solution of the Prandtl Equation	1
Orthogonality Associated with Bessel-Type Sheffer Sequences with Q-Parameters	1
The Strong Convexity Supporting Condition and the Lipschitz Condition for the Metric Projection	1
On the Coincidence of Pure Greedy and Best $$m$$-Term Approximations	1
Dynamical System of a Quadratic Stochastic Operator with Two Discontinuity Points	1
Green’s Function and Existence Results for Solutions of Semipositone Nonlinear Euler–Bernoulli Beam Equations with Neumann Boundary Conditions	1
Hyperbolicity Criterion for Torus Endomorphisms	1
Convergence of the Fourier Series in Meixner–Sobolev Polynomials and Approximation Properties of Its Partial Sums	1
The Inverse Problem of Recovering the Source Function in a Multidimensional Nonuniformly Parabolic Equation	1
Yudin–Hermite Extremal Problems for Polynomials	1
On Epsilon-Cores of Cooperative Games with Fuzzy Payoffs	1
Subgroups of the Fan of Sylow Subgroups and the Supersolvability of a Finite Group	1
Invertibility of the Operators on Hilbert Spaces and Ideals in $$C^*$$-Algebras	1
Some Algebraic Properties of Hermite–Padé Polynomials	1
On the Distributivity and Modularity Properties of the Lattice of Fitting Classes	1
Rogosinsky–Bernstein Polynomial Method of Summation of Trigonometric Fourier Series	1
Uniform Convergence on Subspaces in the von Neumann Ergodic Theorem with Discrete Time	1
Lower Bounds for the Square-to-Linear Ratio for Plane Peano Curves	1
Groups Saturated with Finite Frobenius Groups	1
Some Remarks on Differences between Totients	1
On the Hierarchical Behavior of Solutions of the Maryland Equation in the Semiclassical Approximation	1