Mathematical Notes

Article	Citations
Pivotal Weak Turaev $$\pi$$-Coalgebras	28
Weighted Estimates of the Fractional Type Marcinkiewicz Integral and Its Commutator on Morrey–Guliyev Spaces	20
A Note on $$L^1$$-Convergence of Fourier Series with Riesz Mean	18
Weak Leibniz Algebras	12
Finite Groups in Which Maximal Subgroups of Sylow $$p$$-Subgroups are $$\mathcal{M}$$-Permutable	11
Recognizability of the Groups $$PSp_8(7^m)$$ by the Set of Element Orders	11
On the Gauss Maps of Minimal Surfaces Sharing Hyperplanes in Subgeneral Position	11
On the Solvability of Nonlinear Parabolic Functional-Differential Equations with Shifts in the Spatial Variables	9
Uniqueness of the Solution of the Inverse Problem for a Model of the Dynamics of an Age-Structured Population	9
Some Algebraic Properties of Hermite–Padé Polynomials	8
Strong Polynomial Completeness of Almost All Quasigroups	8
Lauricella Function and the Conformal Mapping of Polygons	8
On the Krein–Rechtman Theorem in the Presence of Multiple Points	8
On the Representation of Sobolev Systems Orthogonal with Respect to the Inner Product with One Discrete Point	8
Any Chebyshev Curve without Self-Intersections Is Monotone	7
S. R. Nasyrov’s Problem of Approximation by Simple Partial Fractions on an Interval	7
On the Reverse Dzyadyk Inequality for Polynomials with Zeros on a Closed Interval	7
On the Boundedness of the Fractional Maximal Operator, the Riesz Potential, and Their Commutators in Orlicz Spaces	7
Jackson–Stechkin Type Inequalities between the Best Polynomial Approximations and Generalized Moduli of Continuity in the Weighted Bergman Space $$\mathscr{B}_{2,\gamma}$$	7
On the Growth Function of $$n$$-Valued Dynamics	7
$$\pmb N$$-Laplacian Equation with a Nonlinear Neumann Boundary Condition and a Singular Nonlinearity	6
Auslander Condition and Gorenstein Rings	6
A New Proof of a Result Concerning a Complete Description of $$ (n, n + 2) $$-Graphs with Maximum Value of the Hosoya Index	6
Solution of a Boundary Value Problem for a System of Integro-Differential Equations Arising in a Model of Plasma Physics	6
Existence of Common Fixed Points of Generalized Set-Contractions on a $$b$$-Metric Space with a Directed Graph	6

Lattices of Extensions of Cyclically Ordered Sets and Compactifications of Generalized Cyclically Ordered Spaces	6
Complex Appell–Bessel Functions and Their Degenerate Analogs	6
Calculation of the Asymptotics of the Solution of the Inhomogeneous Heat Equation by the Auxiliary Parameter Method	6
On the $$p(x)$$-Curl-System Problem with Indefinite Weight and Nonstandard Growth Conditions	6
Counterexamples to the Hardy–Littlewood Theorem for Generalized Monotone Sequences	5
Extremality of Gibbs Measures for the $$HC$$-Blume–Capel Model on the Cayley Tree	5
On the Number of Minimum Dominating Sets in Trees	5
Local Extremal Interpolation on the Semiaxis with the Least Value of the Norm for a Linear Differential Operator	5
Average Dimension of Shift Spaces and Their Subspaces	5
On the Torsion in the Group $$F/[M,N]$$ in the Case of Combinatorial Asphericity of the Groups $$F/M$$ and $$F/N$$	5
Quotients of Dense Subsets of Integers and Short Distances between Product Elements	5
On Analogues of Heilbronn’s Theorem	5
Fractional Kinetic Equations	5
On a Refinement of the Schneider–Lang theorem	5
On a Polynomial Version of the Sum-Product Problem for Subgroups	5
Yudin–Hermite Extremal Problems for Polynomials	5
Basic Predicate Calculus is Sound with Respect to a Modified Version of Strictly Primitive Recursive Realizability	5
Characterizations of $$\sigma$$-Solvable Finite Groups	5
On Weyl Multipliers for Unconditional Convergence of Series in Ciesielski Systems	5
Approximation Numbers of the Two-Dimensional Rectangular Hardy Operator	4
Weakly Dissipative Linear Dynamical Systems and a Quadratic Keldysh Pencil	4
Behavior of Solutions to the Fuzzy Difference Equation $$z_{n+1}=A+\dfrac{B}{z_{n-m}}$$	4
Approximation of Mathieu Functions by Parabolic Cylinder Functions	4
Asymptotic Solutions of Flow Problems with Boundary Layer of Double-Deck Structures	4
On a Finite Group Generated by Subnormal Supersoluble Subgroups	4
Asymptotics of the Relaxation Cycle in the Modified Logistic Equation with Delay	4
The Cost of Symmetry in Connected Graphs	4
Lacunary Recurrence Relations with Gaps of Length 8 for the Bernoulli and Euler Polynomials	4
Embedding of Free Nilpotent (Metabelian) Groups in Partially Commutative Nilpotent (Metabelian) Groups	4
On Power Series Related to Multivariate Records	4
Spectral Expansion for Nonself-Adjoint Differential Operators with Periodic Matrix Coefficients	4
On the Connection between the Growth of Zeros and the Decrease of Taylor Coefficients of Entire Functions	4
A Mixed Problem for a Class of Second-Order Nonlinear Hyperbolic Systems with Dirichlet and Poincaré Boundary Conditions	4
Constructive Semiclassical Asymptotics of Bound States of Graphene in a Constant Magnetic Field with Small Mass	4
On Sufficient Conditions for the Consistency of Local Linear Kernel Estimators	4
A Finite Group with a Maximal Miller–Moreno Subgroup	4
Estimate of the Convergence Rate in the Riemann Localization Principle for Trigonometric Fourier Series of Continuous Functions	4
Contractibility of Sparse Clouds	4
On Algebraic Properties of Integrals of Products of Some Hypergeometric Functions	4
Eta-Invariants for Parameter-Dependent Operators Associated with an Action of a Discrete Group	4
Almost Geodesic Mappings and Projections of the Sphere	4
Local Dynamics of a Singularly Perturbed Second Order Equation with State-Dependent Delay	3
Erratum to: Exact Discretization of the $$L_2$$-Norm with Negative Weight	3
Basic Predicate Calculus is not Sound with Respect to the Strong Variant of Strictly Primitive Recursive Realizability	3
Limit Theorem on Convergence to the Local Time of a Brownian Bridge	3
Trigonometric Polynomials with Frequencies in the Set of Cubes	3
On the Asymptotics of the Traveling Wave Velocity on a Saddle-Node Trajectory	3
The Space $$H_p$$ of Solutions of Degenerate Parabolic Equations	3
On Embeddings in the Class of Partially Commutative Nilpotent Groups	3
Generalized Vilenkin Groups	3

Lichnerowicz Laplacian from the Point of View of the Bochner Technique	3
Large Gaps between Sums of Two Squareful Numbers	3
Periodic Gibbs Measures and Their Extremality for the HC-Blume–Capel Model in the Case of a Wand with a Chemical Potential on a Cayley Tree	3
On Periodicity of the Somos Sequences Modulo $$m$$	3
On the Delocalization of a Quantum Particle under the Adiabatic Evolution Generated by a One-Dimensional Schrödinger Operator	3
On the Properties of Rings of Integro-Differential Operators and Their Corresponding Equations	3
Maslov Viktor Pavlovich (1930–2023)	3
Complete Shrinking General Ricci Flow Soliton Systems	3
Mixed Problem for a Nonlinear Schrödinger Equation of Negative Order in the Class of Periodic Infinite-Gap Functions	3
$$\beta_1$$-Triangulations of 3-Manifolds	3
Zeros of Generalized Hermite Polynomials and Ensemble of Gaussian Random Matrices	3
Underlying Manifolds of High-Dimensional Morse–Smale Diffeomorphisms with Saddles of Codimension 1	3
On Disjointness-Preserving Biadditive Operators	3
Alexandroff Homology and Path Homology	3
Rate of Convergence of Chernoff Approximations of Operator $$C_0$$-Semigroups	3
Proof of the Brunn–Minkowski Theorem by Brunn Cuts	3
On the Marcinkiewicz–Calderón Interpolation Theorem for Integral Operators	3
Regularity of Continuous Multilinear Operators and Homogeneous Polynomials	3
Sharp $$L^p$$-Estimates for the Fourier Transform of Surface Measures	3
Linear Weingarten Spacelike Submanifolds in Semi-Riemannian Space Form	3
Stechkin’s Problem on Approximation of the Differentiation Operator in the Uniform Norm on the Half-Line	3
On the Convergence of Negative-Order Cesàro Means of Fourier and Fourier–Walsh Series	3
On Global Solutions of Second-Order Quasilinear Elliptic Inequalities	3
An Efficient Algorithm for Decomposing a Vector into Two Vectors with a Small Uniform Norm	3
Invariants of Permutational Unitary Equivalence Classes of the Parseval Frames	3
On Various Notions of Representability of $$l_r$$-Spaces in Orlicz Function Spaces	3
Approximate Search for the $$k$$th Order Distance in a System of Unit Square Points	3
Construction of Partial Solutions Using Special Functions for Equations with Fractional Derivative	3
Deficiency Indices of Block Jacobi Matrices That Do Not Satisfy the Carleman Condition, and Operators with Point Interactions	2
A Series of Spectral Gaps for the Almost Mathieu Operator with a Small Coupling Constant	2
Aggrandization of Spaces of Holomorphic Functions Reduces to Aggrandization on the Boundary	2
Hereditary Saturated Subsets and the Invariant Basis Number Property of the Leavitt Path Algebra of Cartesian Products	2
Uniqueness of the Solution of a Class of Integral Equations with Sum-Difference Kernel and with Convex Nonlinearity on the Positive Half-Line	2
Density of Zeros of the Cartwright Class Functions and the Helson–Szegő Type Condition	2
Values of the Riemann Zeta Function and the Dirichlet Beta Function at Positive Integer Points and Multiple Numerical Series	2
Many-Dimensional Morse–Smale Diffeomeophisms with a Dominant Saddle	2
On the Lagrangian Geometry of the Tangent Bundle of a Toric Variety	2
Close Turning Points and the Harper Operator	2
Covering a Set by a Convex Compactum: Error Estimates and Computation	2
Fields of Algebraic Numbers Whose Multiplicative Groups are Free Modulo the Group of Units	2
Reidemeister Classes, Wreath Products, and Solvability	2
Solution Blow-Up for a Fractional Fourth-Order Equation of Moore–Gibson–Thompson Type with Nonlinearity Nonlocal in Time	2
Boundedness of Solutions of the Ginzburg–Landau System Involving a Subelliptic Operator	2
Reconstruction of Functions in Sobolev- and Korobov-Type $$p$$-Ary Classes with Small Smoothness Parameters	2
Inheritance of Generic Singularities of Solutions of a Linear Wave Equation by Solutions of Isoentropic Gas Motion Equations	2
Sets of Uniqueness for Subsystems of the Trigonometric System	2
Kolmogorov Widths of the Class $$W_1^1$$	2
On Estimating an Inhomogeneous Kloosterman Sum by the Karatsuba Method	2
Uniformly Convex Sets in Banach Spaces	2
Spectral Properties of the Friedrichs Model with Involution	2
On Operator Estimates for Elliptic Operators with Mixed Boundary Conditions in Two-Dimensional Domains with Fast Oscillating Boundary	2
Andrei Andreevich Shkalikov	2
First Asymptotics of Solutions of Degenerate Second-Order Differential Equations	2
Investigation of Data Dependence and Convergence Behavior of $$\mathcal{M}$$-Iteration on Banach Spaces with an Application	2
On the Representation of Integers as Sums of a Class of Triangular Numbers	2
Jacobi’s Triple-Product Identity and an Associated Family of Theta-Function Identities	2
Hochschild Cohomology of Some Finite Category Algebras as Simplicial Cohomology	2
Automorphisms of Surfaces of Markov Type	2
Massive Helson Sets	2
Chaotic Laminations and Their Properties	2
To the Problem of a Point Source in an Inhomogeneous Medium	2
A Refinement of the Two-Radius Theorem on the Bessel–Kingman Hypergroup	2
Letter to the Editor	2
Asymptotics of the Riemann–Hilbert Problem for the Somov Model of Magnetic Reconnection of Long Shock Waves	2
Improving Cardinality Estimation of Sums of Sets with Convexity	2
Approximation of Periodic Functions of High Generalized Smoothness by Fourier Sums	2
Isothermic Surfaces Associated with the Cylinder Obtained by Ribaucour Transformations	2
A Remarkable Quadratic Form of Voronoi	2
Existence of Solutions to the Nonlinear Kantorovich Transportation Problem	2
Asymptotics of Fundamental Solutions of Parabolic Problems	2
Definition and Properties of Measures of Stability and Instability of Zero Solution of a Differential System	2
On a Conjecture of Bourgain	2
A Note on Systems of Equations of Power Sums	2
A Note on Some New Sharp Results on the Zeros of New Area Nevanlinna Type Spaces in the Unit Disk	2
On the Best Simultaneous Approximation in the Bergman Space $$B_2$$	2
Lyapunov Inequality for Second-Order Equation with Operator of Distributed Differentiation	2
Functional Ghobber–Jaming Uncertainty Principle	2
Controllability of Nonstationary Discrete Descriptor Systems under Conditions of Invertibility of a Transformation to a Structural Form	2
Uniform Convergence of Sine Series with Fractional-Monotone Coefficients	2
Kolmogorov Widths of an Intersection of Anisotropic Finite-Dimensional Balls in the Case of $$2\le q_j<\infty$$	2

On Spaces Associated with Weighted Cesàro and Copson Spaces	2
Weighted Integrability of Multiple Multiplicative Fourier Transforms	2
On the Energy of Roots	2
On Questions Posed by Shemetkov, Ballester-Bolinches, and Perez-Ramos in Finite Group Theory	2
Pointwise Semicommutative Rings	2
John–Nirenberg Inequality for Riemann Type Series	2
Extremal Interpolation in the Mean in the Space $$L_1(\mathbb R)$$ with Overlapping Averaging Intervals	2
On the Smirnov-Type Inequality for Polynomials	2
Gibbs Measures for the $$\mathrm{HC}$$-Model in the Case of a Graph of Type “Key” on a Cayley Tree	2
On Old and New Formulas for the Catalan and Apéry Constants	2
On Sums of Bernoulli Random Variables Modulo 3	2
Estimation of the Norm of the Hermite–Fejér Interpolation Operator with Variable Order Derivatives in Sobolev Spaces	2
On the Existence of a Nonextendable Solution of the Cauchy problem for a $$(1+1)$$-Dimensional Thermal-Electrical Model	2
Bernstein Inequality for the Riesz Derivative of Order $$0<\alpha<1$$ of Entire Functions of Exponential Type in the Uniform Norm	2
Feedback Strategies in a Game-Theoretical Control Problem for a Nonlocal Continuity Equation	2
On Finite Groups with $$\mathbb{P}_{\pi}$$-Subnormal Subgroups	2
Sharp Bernstein Inequalities for Jacobi–Dunkl Operators	2
On the Unique Solvability of Nonlocal Problems for Abstract Singular Equations	2
Sub-Riemannian Coarea Formula for Classes of Noncontact Mappings of Carnot Groups	2
Problem of Cutting a Polygon into Two Congruent Parts	1
On Normal Automorphisms of Groups	1
On the Equivalence of Borel Sets	1
Historic Behavior in Discrete-time Replicator Dynamics	1
System of Inequalities in Continued Fractions from Finite Alphabets	1
Extremal Positivity Problem for Integrals of Sine Series with Monotone Coefficients	1
On a Problem with Conjugation Conditions for an Equation of Even Order Involving a Caputo Fractional Derivative	1
Riesz Transform for the One-Dimensional $$(k,1)$$-Generalized Fourier Transform	1
On the Absolute Convergence of Fourier Series of Functions of Two Variables in the Space $$C^{1,\omega}$$	1
Periodic Ground States for the Potts Model with External Field and a Countable Set of Spin Values on the Cayley Tree	1
On the Question of the Definability of Certain Classes of Completely Decomposable Abelian Torsion-Free Groups by Their Homomorphism Groups	1
Sufficient Conditions for a Minimum of a Strongly Quasiconvex Function on a Weakly Convex Set	1
Symmetrization and Integral Inequalities	1
On the Positive Definiteness of Functions of the Form $$h(\rho(x))+\beta\rho(x)h'(\rho(x))$$	1
On Additive Semigroups of Idempotent Semirings with Identity	1
Inequalities for Rational Functions with Prescribed Poles	1
On the Additive Complexity of Some Integer Sequences	1
Quasi-Classical Approximation of Monopole Harmonics	1
Smoothness of Generalized Eigenfunctions of Differential–Difference Operators on a Finite Interval	1
Existence, Asymptotics, and Lyapunov Stability of Solutions of Periodic Parabolic Problems for Tikhonov-Type Reaction–Diffusion Systems	1
Dynamical and qKZ Equations Modulo $$p^s$$: an Example	1
Limit Theorems for Random Walks in the Hyperbolic Space	1
Analog of Schoenberg’s Theorem for $$a$$-Conditionally Negative Definite Matrix-Valued Kernels	1
On Locally Chebyshev Sets	1
On Commuting Automorphisms of a Finite Nonabelian Group with Metacyclic Central Quotient	1
Perturbed Toeplitz Matrices and Their LU-Decompositions	1
On Algebraic Isomorphisms of the Rational Cohomology of Künnemann’s Compactifications of the Néron Model of an Abelian Variety without Complex Multiplication	1
On the Topological Index of Elliptic Operators on Two-Dimensional Manifolds with Cylindrical Ends	1
Boundedness of Hadamard–Bergman and Variable Hadamard–Bergman Convolution Operators	1
Numerical Simulation of the Variable Order Fractional Integro-Differential Equation via Chebyshev Polynomials	1
Chebyshev’s Problem of the Moments of Nonnegative Polynomials	1
On the Existence of Equivariant Kähler Models of Certain Compact Complex Spaces	1
Solution of the Quantum Three-Body Problem in a Neighborhood of the Three-Particle Forward Scattering Direction	1
New Proof of the Ostapenko–Tarasov Theorem	1
Topologically Mixing Diffeomorphisms on the Infinite-Dimensional Torus	1
On Joint Universality of the Riemann and Hurwitz Zeta-Functions	1
On the Minimal Number of Edges in Induced Subgraphs of Special Distance Graphs	1
Blaschke Products and Smale’s Conjecture on Complex Polynomials	1
Class Preserving Automorphisms of Some Nilpotent Groups of Class 2	1
On the Existence of a Positive Solution of a Boundary Value Problem for a Nonlinear Second-Order Functional-Differential Equation with Integral Boundary Conditions	1
On Algebraic Properties of Functions Related to Hypergeometric Functions	1
Approximation by Refinement Masks	1
Applying Lauricella’s Function to Construct Conformal Mapping of Polygons’ Exteriors	1
Residue Designs Modulo a Given Number on the Circle	1
Periodic Contrast Structures in the Reaction-Diffusion Problem with Fast Response and Weak Diffusion	1
Dynamics of Moments and Stationary States for GKSL Equations of Classical Diffusion Type	1
On $$\mathfrak{L}_{\infty}$$-Liftings of the Gelfand–Naimark Morphism	1
Some Remarks on Differences between Totients	1
On Generalizations of Statistical Convergence and Lacunary Statistical Convergence in Neutrosophic Normed Spaces	1
Multiplicatively Idempotent Semirings in which All Congruences Are Ideal	1
On Linearly Convex Hartogs Domains in $$\mathbb C^2$$ with a Fractal Structure	1
Ricci Solitons on Generalized Sasakian-Space-Forms with Kenmotsu Metric	1
On the Problems Associated with Sum of Dilates	1
A Note on Generalized Contraction Theorems	1
Topological and Homological Properties of the Orbit Space of a Simple Three-Dimensional Compact Linear Lie Group	1
Finite Groups with Three Nonconjugate Maximal Formational Subgroups	1
On the Approximability and Parametrization of Preimages of Elements of Carnot Groups on Sub-Lorentzian Structures	1
On the Sum of Negative Eigenvalues of the Three-Dimensional Schrödinger Operator	1
On the Conditions for the Solvability of Boundary-Value Problems for Higher-Order Equations with Discontinuous Coefficients	1
On the Norms and Eigenvalues of $$r$$-Circulant Matrices with $$k$$-Mersenne and $$k$$-Mersenne–Lucas Numbers	1
Analytic Complexity: Functions with One-Dimensional Stabilizer in the Gauge Group	1
Existence of Bargaining Sets for Cooperative Games with Fuzzy Payoffs	1
Cubical and Simplicial Sets in the Category of Quivers	1
Emergence of a Hierarchy of Singularities in Zero-Pressure Media. Two-Dimensional Case	1
Some Classes of Tetradiagonal Determinants via Certain Polynomial Families	1
Hurwitz Numbers for the Reflection Groups $$B_n$$ and $$D_n$$	1
On the Uniform Stability of Recovering Sine-Type Functions with Asymptotically Separated Zeros	1
On Lie Algebras Defined by Tangent Directions to Homogeneous Projective Varieties	1
On Unstable Solutions with a Nonmonotone Boundary Layer in a Two-Dimensional Reaction-Diffusion Problem	1
On Operator Estimates of the Homogenization of Higher-Order Elliptic Systems	1
Instability of Equilibria in a Solenoidal Force Field	1
On a Property of Quasi-Kähler Manifolds	1
On Some Quotients of Hyperbolic Groups	1
The Stationary Navier–Stokes–Boussinesq System with a Regularized Dissipation Function	1
Localization of Solutions of Ordinary Differential Equations near an Unstable Singular Point	1
Solution of the Mixed Problem for a Third-Order Partial Differential Equation	1