Mathematical Notes

Article	Citations
Uniform Convexity in Nonsymmetric Spaces	16
Inverse Problem for Finding the Order of the Fractional Derivative in the Wave Equation	14
Elliptic Differential-Difference Equations in the Half-Space	11
Feedback Optimal Control Problem for a Network Model of Viscous Fluid Flows	11
Lagrangian Manifolds and Efficient Short-Wave Asymptotics in a Neighborhood of a Caustic Cusp	10
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
Solutions with Substance Decay in Pressureless Gas Dynamics Systems	8
Relaxation Oscillations in a Logistic Equation with Nonconstant Delay	8
Sharp Bounds for the Largest Eigenvalue	8
Strengthening of Landau’s Theorem for Holomorphic Self-Mappings of a Disk with Fixed Points	7
Existence of Real Solutions of Nonlinear Equations without A Priori Normality Assumptions	7
Elliptic Differential-Difference Equations of General Form in a Half-Space	7
Existence of $$T/k$$-Periodic Solutions of a Nonlinear Nonautonomous System Whose Matrix Has a Multiple Eigenvalue	7
Self-Adjointness and Discreteness of the Spectrum of Block Jacobi Matrices	7
Uniformization of Equations with Bessel-Type Boundary Degeneration and Semiclassical Asymptotics	7
On the Analytic and Geometric Properties of Mappings in the Theory of $$\mathscr Q_{q,p}$$-Homeomorphisms	7
Invertibility of Multidimensional Integral Operators with Bihomogeneous Kernels	7
Convergence of a Limit Periodic Schur Continued Fraction	6
Estimates of the Values of $$n$$-Widths of Classes of Analytic Functions in the Weight Spaces $$H_{2,\gamma}(D)$$	6
The Geometry of a Singular Set of Hypersurfaces and the Eikonal Equation	6
Mixed Problems for Strongly Elliptic Differential-Difference Equations in a Cylinder	6
On the Uniform Stability of Recovering Sine-Type Functions with Asymptotically Separated Zeros	6
Universal Fourier Series	6
Asymptotics of the Riemann–Hilbert Problem for the Somov Model of Magnetic Reconnection of Long Shock Waves	6

On Joint Universality of the Riemann Zeta-Function	6
Geodesic Maps “in the Large” of Ricci-Flat Spaces with $$n$$ Complete Geodesic Lines	6
Nonlinear Triple Product $$A^{*}B + B^{*}A$$ for Derivations on $$\ast$$-Algebras	5
On a Method for Studying the Asymptotics of Solutions of Odd-Order Differential Equations with Oscillating Coefficients	5
Existence of Semiregular Solutions of Elliptic Systems with Discontinuous Nonlinearities	5
Schur’s Criterion for Formal Newton Series	5
Decomposing a Matrix into Two Submatrices with Extremely Small Operator Norm	5
The Moutard Transformation for the Davey–Stewartson II Equation and Its Geometrical Meaning	5
On the Gradient Projection Method for Weakly Convex Functions on a Proximally Smooth Set	5
Codazzi and Killing Tensors on a Complete Riemannian Manifold	5
Refinement of Estimates of Sums of Sine Series with Monotone Coefficients and Cosine Series with Convex Coefficients	5
Pointwise Strong Summability of Vilenkin–Fourier Series	5
Endpoint Functions: Mathematical Apparatus and Economic Applications	5
The Kantorovich Problem with a Parameter and Density Constraints	5
On Sequential Properties of Spaces of Measures	5
Some Classical Problems of Geometric Approximation Theory in Asymmetric Spaces	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
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
Elliptic Equations with Translations of General Form in a Half-Space	5
Locally Weak Version of the Contraction Mapping Principle	4
Determination of the Heat Transfer Coefficient in Mathematical Models of Heat and Mass Transfer	4
Asymptotics of Solutions of Two-Term Differential Equations	4
On Classes of Subcompact Spaces	4
Homology of Digraphs	4
Andronov–Hopf Bifurcation in Logistic Delay Equations with Diffusion and Rapidly Oscillating Coefficients	4
Schwarz’s Lemma and Estimates of Coefficients in the Case of an Arbitrary Set of Boundary Fixed Points	4
Three Formations over $$\mathfrak U$$	4
Uniqueness of the Solution of a Nonlocal Problem for an Elliptic-Hyperbolic Equation with Singular Coefficients	4
Multiplicity Results of a Nonlocal Problem Involving Concave-Convex Nonlinearities	4
Sub-Lorentzian Problem on the Heisenberg Group	4
Sturm Separation Theorems for a Fourth-Order Equation on a Graph	4
Existence of Solutions to the Second Boundary-Value Problem for the $$p$$-Laplacian on Riemannian Manifolds	3
Finite 3-Subgroups in the Cremona Group of Rank 3	3
Alexandroff Homology and Path Homology	3
Estimates of Derivatives in Sobolev Spaces in Terms of Hypergeometric Functions	3
Further Apéry-Like Series for Riemann Zeta Function	3
Uniqueness Criterion for the Solution of Boundary-Value Problems for the Abstract Euler–Poisson–Darboux Equation on a Finite Interval	3
On Orbits and Bi-invariant Subsets of Binary $$G$$-Spaces	3
Classical Solutions of a Multidimensional Hyperbolic Differential–Difference Equation with Shifts of Various Directions in the Potentials	3
On the Approximation of Analytic Functions by Shifts of an Absolutely Convergent Dirichlet Series	3
Regular Spectral Problems of Hyperbolic Type for a System of First-Order Ordinary Differential Equations	3
On the Approximability and Parametrization of Preimages of Elements of Carnot Groups on Sub-Lorentzian Structures	3
Speed of Convergence of Chernoff Approximations to Solutions of Evolution Equations	3
Freiman Cover Ideals of Unmixed Bipartite Graphs	3
Two Examples Related to Properties of Discrete Measures	3
An Approach to the Solution of the Initial Boundary-Value Problem for Systems of Fourth-Order Hyperbolic Equations	3
Distribution of Zeros of Exponential-Type Entire Functions with Constraints on Growth along a Line	3

Existence of Solutions to the Nonlinear Kantorovich Transportation Problem	3
Lauricella Function and the Conformal Mapping of Polygons	3
Analogs of Schmidt’s Formula for Polyorthogonal Polynomials of the First Type	3
Fractional Parts of Noninteger Powers of Primes	3
Some Properties of Subcompact Spaces	3
Mixed Problem for a General 1D Wave Equation with Characteristic Second Derivatives in a Nonstationary Boundary Mode	3
Binary Leibniz Algebras	3
On Weyl-type Solutions of Differential Systems with a Singularity. The Case of Discontinuous Potential	3
On Descriptive Characterizations of an Integral Recovering a Function from Its $$L^r$$-Derivative	3
Generalized Solutions of the Second Boundary-Value Problem for Differential-Difference Equations with Variable Coefficients on Intervals of Noninteger Length	3
Preservation of the Existence of Zeros in a Family of Set-Valued Functionals and Some Consequences	3
Some Examples of K3 Surfaces with Infinite Automorphism Group which Preserves an Elliptic Pencil	3
Morse Index of Saddle Equilibria of Gradient-Like Flows on Connected Sums of $$\mathbb S^{n-1}\times \mathbb S^1$$	3
Continuity of a Metric Function and Projection in Asymmetric Spaces	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
Infinitely Many Solutions for a Class of Kirchhoff Problems Involving the $$p(x)$$-Laplacian Operator	3
Solvability of a Mixed Problem with Nonlinear Boundary Condition for a One-Dimensional Semilinear Wave Equation	3
Accelerated and Unaccelerated Stochastic Gradient Descent in Model Generality	3
Exact Discretization of the $$L_2$$-Norm with Negative Weight	2
On Orthogonally Additive Operators in Lattice-Normed Spaces	2
Inverse Problem for an Integrodifferential Equation of the Hyperbolic Type in a Rectangular Domain	2
Asymptotic Solution of the Cauchy Problem for a First-Order Differential Equation with a Small Parameter in a Banach Space	2
On Optimization of Tax Functions	2
On the Passage to the Limit in the Construction of Geometric Solutions of the Riemann Problem	2
Multidimensional Analogs of Theorems about the Density of Sums of Shifts of a Single Function	2
On Disjointly Homogeneous Orlicz–Lorentz Spaces	2
Sortable Freiman Ideals	2
Density of the Semigroup Generated by Curves through Zero in a Banach Space	2
The $$L_{p}$$-Mixed Geominimal Surface Areas	2
On the Uniqueness Sets of Multiple Walsh Series for Convergence in Cubes	2
Harmonicity of Slant Conformal Riemannian Maps	2
Basic Predicate Calculus is not Sound with Respect to the Strong Variant of Strictly Primitive Recursive Realizability	2
Spectral Asymptotics of Solutions of a $$2\times 2$$ System of First-Order Ordinary Differential Equations	2
Smooth Nonprojective Equivariant Completions of Affine Space	2
Third Boundary-Value Problem in the Half-Strip for the $$B$$-Parabolic Equation	2
On a Finite Group Generated by Subnormal Supersoluble Subgroups	2
A New Proof of a Result Concerning a Complete Description of $$ (n, n + 2) $$-Graphs with Maximum Value of the Hosoya Index	2
On Unstable Solutions with a Nonmonotone Boundary Layer in a Two-Dimensional Reaction-Diffusion Problem	2
Comparison of Arithmetic, Geometric, and Harmonic Means	2
New Estimate for Kloosterman Sums with Primes	2
Solution Blow-Up for a Fractional Fourth-Order Equation of Moore–Gibson–Thompson Type with Nonlinearity Nonlocal in Time	2
The Spectrum and Density of States of the Almost Mathieu Operator with Frequency Represented by a Continued Fraction with Large Elements	2
On Spaces Associated with Weighted Cesàro and Copson Spaces	2
Rotary Mappings and Projections of a Sphere	2
Hotspot Lemmas for Noncompact Spaces	2
Modulus Estimates on Abstract Surfaces over a Domain of Revolution and a Cylindrical Ring	2
Absolute Continuity of the Spectrum of a Periodic 3D Magnetic Schrödinger Operator with Singular Electric Potential	2
Borsuk’s Partition Problem in $$(\mathbb{R}^{n},\ell_{p})$$	2
A Characterization of Separable Hypersurfaces in Euclidean Space	2
Historic Behavior in Discrete-time Replicator Dynamics	2
Reconstruction of a Generalized Fourier Series from Its Sum on a Compact Zero-Dimensional Group in the Non-Abelian Case	2
Almost Binarity of Countably Categorical Weakly Circularly Minimal Structures	2
Periodic Contrast Structures in the Reaction-Diffusion Problem with Fast Response and Weak Diffusion	2
On the Positivity of Average Sums of Sine Series with Monotone Coefficients	2
On a Method for Studying the Asymptotics of Solutions of Sturm–Liouville Differential Equations with Rapidly Oscillating Coefficients	2
On the Kählerization of the Moduli Space of Bohr–Sommerfeld Lagrangian Submanifolds	2
Uniqueness Theorems for Multiple Franklin Series Converging over Rectangles	2
Note on Partitions with Even Parts below Odd Parts	2
Sufficient Conditions for the Linear Convergence of an Algorithm for Finding the Metric Projection of a Point onto a Convex Compact Set	2
Marcinkiewicz Interpolation Theorem for Spaces of Hardy Type	2
Numerical Simulation of the Variable Order Fractional Integro-Differential Equation via Chebyshev Polynomials	2
A Sylvester–Gallai Type Theorem for Abelian Groups	2
Transformation of Fourier Series by Means of General Monotone Sequences	2
Uniqueness of the Solution of the Inverse Problem for a Model of the Dynamics of an Age-Structured Population	2
Optimal Two-Sided Estimates on the Interval $$[\pi/2,\pi]$$ of the Sum of the Sine Series with Convex Coefficient Sequence	2
Equicontinuity of Families of Mappings with One Normalization Condition	2
On the Equality Relation Modulo a Countable Set	2
Projection Greedy Algorithm	2
Completely Prime Ideals in Multiplicatively Idempotent Semirings	2
On the Isomorphism and Diffeomorphism of Compact Semisimple Lie Groups	2
Finite Factorizable Groups with $$\mathbb P$$-Subnormal $$\mathrm v$$-Supersolvable and $$\mathrm{sh}$$-Supersolvable Factors	2
Probabilistic Interpretation of the Vanishing Viscosity Method for Systems of Conservation and Balance Laws	2
Differential and Integral Operations in Hidden Spherical Symmetry and the Dimension of the Koch Curve	2
Upper Bounds for the Expected Maxima of Independent Random Variables Given Known First Four Moments	2
An Elementary Analog of the Operator Method in Additive Combinatorics	2
Continuity of $$L_{p}$$ Balls and an Application to Input-Output Systems	2
First-Order Complexity of Subgraph Isomorphism via Kneser Graphs	2
Finite-Dimensional Spaces where the Class of Chebyshev Sets Coincides with the Class of Closed and Monotone Path-Connected Sets	2
On the Coincidence of the Central and Absolute Central Automorphism Groups of Finite p-Groups	2

Minimal Contact Circuits for Symmetric Threshold Functions	2
Local Dynamics of Chains of Van der Pol Coupled Systems	2
Estimates for the Dimension of Attractors of a Regularized Euler System with Dissipation on the Sphere	2
Non-Abelian Groups Acting on Severi–Brauer Surfaces	2
Automorphisms of Nonnormal Toric Varieties	2
The Topology of Symplectic Partially Hyperbolic Automorphisms of the 4-Torus	2
Sheaves of Noncommutative Smooth and Holomorphic Functions Associated with the Non-Abelian Two-Dimensional Lie Algebra	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
Finite Groups with $$\mathfrak F$$-Subnormal Subgroups	2
$$C^*$$-Algebras of Transmission Problems and Elliptic Boundary Value Problems with Shift Operators	2
Semiclassical Asymptotics for a Difference Schrödinger Equation with Two Coalescent Turning Points	2
Diffraction Approach in the Scattering Problem for Three Charged Quantum Particles	2
2-Colorings of Hypergraphs with Large Girth	2
Approximation by Simple Partial Fractions: Universal Sets of Poles	2
On the Minimal Number of Edges in Induced Subgraphs of Special Distance Graphs	2
Normal Automorphisms of Free Groups of Infinitely Based Varieties	2
On the Solvability of Riemann Problems in Grand Hardy Classes	2
On the Lower Indicator of an Entire Function with Roots of Zero Lower Density Lying on a Ray	2
Density of Smooth Functions in Anisotropic Weighted Sobolev Spaces with Weights that are Locally Bounded and Locally Bounded Away from Zero	2
On the Embedding of the First Nonconstructive Ordinal in the Rogers Semilattices	2
Density of Derivatives of Simple Partial Fractions in Hardy Spaces in the Half-Plane	2
Asymptotics of the Independence Number of a Random Subgraph of the Graph $$G(n,r,<s)$$	2
Reidemeister Classes in Some Lamplighter-Type Groups	2
Asymptotics of the Spectrum of the Hydrogen Atom in Orthogonal Electric and Magnetic Fields near the Lower Boundaries of Spectral Clusters	2
On the Krein–Rechtman Theorem in the Presence of Multiple Points	2
The Existence of Zeros of Multivalued Functionals, Coincidence Points, and Fixed Points in $$f$$-Quasimetric Spaces	2
Smooth Prime Fano Complete Intersections in Toric Varieties	2
The Method of Harmonic Mapping of Regions with a Notch	2
On the Solvability of Nonlinear Parabolic Functional-Differential Equations with Shifts in the Spatial Variables	2
Spectral Properties of the Nonsectorial Sturm–Liouville Operator on the Semiaxis	2
Properties of Monotone Connected Sets	2
Measure of Images of Contact Mappings on Two-Step Sub-Lorentzian Structures	2
On the Discreteness of the Spectrum of Matrix Schrödinger and Dirac Operators with Point Interactions	2
An Example of a Concircular Vector Field on a Locally Conformally Kähler Manifold	2
Uniqueness Criterion for Solutions of Nonlocal Problems on a Finite Interval for Abstract Singular Equations	2
On Commuting Automorphisms of Finite $$p$$-Groups	2
On Popular Sums and Differences for Sets with Small Multiplicative Doubling	2
On the Estimates of Periodic Eigenvalues of Sturm–Liouville Operators with Trigonometric Polynomial Potentials	2
On the Construction of Stability Indicators for Nonnegative Matrices	2
Compactifications of Homeomorphism Groups of Linearly Ordered Compacta	2
On $$Z$$-Sets in the Space of Idempotent Probability Measures	2
On Automorphisms of Direct Products of CR Manifolds	2
Remarks on Galois Rational Coverings	2
Orthogonality Associated with Bessel-Type Sheffer Sequences with Q-Parameters	1
Exponent of Convergence of a Sequence of Ergodic Averages	1
A Note on the Symmetry of Sequence Spaces	1
Refinement of Relations between Mixed Moduli of Smoothness in the Metrics of $$L_p$$ and $$L_\infty$$	1
Solution of a Boundary Value Problem for a System of Integro-Differential Equations Arising in a Model of Plasma Physics	1
Dynamics of Supports of Extremal Measures in the Field of a Point Charge	1
A Factorization Problem on a Smooth Two-Dimensional Surface	1
On Rational Approximation of Markov Functions by Partial Sums of Fourier Series on a Chebyshev–Markov System	1
Unique Continuation of Solutions of Second-Order Quasi-Elliptic Equations	1
On Lattice Properties of the Lorentz Spaces $$L_{p,q}$$	1
Approximation Properties of the Vallée-Poussin Means of Partial Sums of a Special Series in Laguerre Polynomials	1
Yudin–Hermite Extremal Problems for Polynomials	1
Lorentzian Geometry on the Lobachevsky Plane	1
On the Connection between the Growth of Zeros and the Decrease of Taylor Coefficients of Entire Functions	1
Perfect Domination Polynomial of Homogeneous Caterpillar Graphs and of Full Binary Trees	1
Lattice of Definability in the Order of Rational Numbers	1
Nonsingular Morse–Smale Flows with Three Periodic Orbits on Orientable $$3$$-Manifolds	1
The Liouville Equation as a Hamiltonian System	1
Some Remarks on Differences between Totients	1
Chromatic Numbers of Distance Graphs without Short Odd Cycles in Rational Spaces	1
Extremality of Gibbs Measures for the $$HC$$-Blume–Capel Model on the Cayley Tree	1
Relationship Between the Best $$L_p$$ Approximations of Splines by Polynomials with Estimates of the Values of Intermediate Derivatives in Sobolev Spaces	1
Existence Results for Nonlinear Elliptic Equations with Leray–Lions Operators in Sobolev Spaces with Variable Exponents	1
On the Hierarchical Behavior of Solutions of the Maryland Equation in the Semiclassical Approximation	1
On the Fourier–Walsh Transform of Functions from Dyadic Dini–Lipschitz Classes on the Semiaxis	1
On Simple ℤ2-Invariant and Corner Function Germs	1
Erratum to: Real-Imaginary Conjugacy Classes and Real-Imaginary Irreducible Characters in Finite Groups	1
Projectively Invariant Subgroups of Abelian $$p$$-Groups	1
Subgroups of the Fan of Sylow Subgroups and the Supersolvability of a Finite Group	1
Operator-Norm Resolvent Asymptotic Analysis of Continuous Media with High-Contrast Inclusions	1
Estimate of the Hölder Exponent Based on the $$\epsilon$$-Complexity of Continuous Functions	1
Embeddings of Spaces of Functions of Positive Smoothness on a Hölder Domain in Lebesgue Spaces	1
Blow-Up of Solutions of Coupled Parabolic Systems and Hyperbolic Equations	1
An Explicit Formula for the Number of Labeled Series-Parallel $$k$$-Cyclic Blocks	1
Extremal Values of Moments of Nonnegative Polynomials	1
Rogosinsky–Bernstein Polynomial Method of Summation of Trigonometric Fourier Series	1
On the Multidimensional Tarry Problem for a Cubic Polynomial	1
Lower Bounds for the Square-to-Linear Ratio for Plane Peano Curves	1
A Generalization of Schep’s Theorem on the Positive Definiteness of a Piecewise Linear Function	1
Explicit Formulas for the Matrix Logarithm and the Principal Matrix Logarithm	1
Almost Everywhere Convergence of Multiple Trigonometric Fourier Series of Functions from Sobolev Classes	1
Summability of Solutions of the Dirichlet Problem for Nonlinear Elliptic Equations with Right-Hand Side in Classes Close to L1	1
Hugoniot–Maslov Chain for Shock Waves in Buckley–Leverett Equations	1
A Remark on the Inverse Scattering Problem for the Perturbed Hill Equation	1
Hyperbolicity Criterion for Torus Endomorphisms	1
Formula Complexity of a Linear Function in a $$k$$-ary Basis	1
Dynamical System of a Quadratic Stochastic Operator with Two Discontinuity Points	1
Uniform Convergence on Subspaces in the von Neumann Ergodic Theorem with Discrete Time	1
Behavior of Solutions to the Fuzzy Difference Equation $$z_{n+1}=A+\dfrac{B}{z_{n-m}}$$	1
$$\mathrm{SOR}$$-Like Method for a New Generalized Absolute Value Equation	1
Solvability and Blow-Up of Weak Solutions of Cauchy Problems for $$(3+1)$$-Dimensional Equations of Drift Waves in a Plasma	1
On a Family of Ordinary Differential Equations Integrable in Elementary Functions	1