Contents

Mathematical Notes


Vol. 114, No. 3-4, 2023


Research Articles

Three-Dimensional Spaces Where All Bounded Chebyshev Sets Are Monotone Path Connected

B. B. Bednov p. 283  abstract

Uniform Convergence of Sine Series with Fractional-Monotone Coefficients

M. I. Dyachenko p. 296  abstract

Approximation of Mathieu Functions by Parabolic Cylinder Functions

E. A. Zlobina p. 303  abstract

On Sufficient Conditions for the Consistency of Local Linear Kernel Estimators

Yu. Yu. Linke p. 308  abstract

On Operator Estimates of the Homogenization of Higher-Order Elliptic Systems

S. E. Pastukhova p. 322  abstract

On a Functional of the Number of Nonoverlapping Chains Appearing in the Polynomial Scheme and Its Connection with Entropy

M. P. Savelov p. 339  abstract

Traces of Sobolev Spaces on Piecewise Ahlfors–David Regular Sets

A. I. Tyulenev p. 351  abstract

On the Best Simultaneous Approximation in the Bergman Space \(B_2\)

M. Sh. Shabozov p. 377  abstract

On the Sum of Digits of Expansions of a Pair of Consecutive Numbers over a Linear Recurrent Sequence

A. V. Shutov p. 387  abstract


Short Communications

On Test Sets Concerning Local Stuck-at Faults of Fixed Multiplicity at the Inputs of Circuits

G. V. Antyufeev, and D. S. Romanov p. 397  abstract

On Various Notions of Representability of \(l_r\)-Spaces in Orlicz Function Spaces

S. V. Astashkin p. 403  abstract

Balanced 2-Subsets

M. V. Bludov, and O. R. Musin p. 407  abstract

Notes on a Category-Theoretic Definition of Maslov Classes of a Lagrangian Manifold

A. S. Mishchenko p. 412  abstract

On the Minimal Norm of a Projection Operator for Linear Interpolation on an \(n\)-Dimensional Ball

M. V. Nevskii p. 415  abstract


Research Articles

On Finite Groups with \(\mathbb{P}_{\pi}\)-Subnormal Subgroups

T. I. Vasil’eva, and A. G. Koranchuk p. 421  abstract

Dugundji Compacta and the Space of Idempotent Probability Measures

A. A. Zaitov, and D. T. Eshkobilova p. 433  abstract

Nondeformed Generalized Dunkl Transform on the Line

V. I. Ivanov p. 443  abstract

Feedback Strategies in a Game-Theoretical Control Problem for a Nonlocal Continuity Equation

E. A. Kolpakova p. 457  abstract

Asymptotics in the Spectral Parameter for Solutions of \(2 \times 2\) Systems of Ordinary Differential Equations

A. P. Kosarev, and A. A. Shkalikov p. 472  abstract

\(\pmb N\)-Laplacian Equation with a Nonlinear Neumann Boundary Condition and a Singular Nonlinearity

Mouna Kratou, and Rana Alkhal p. 489  abstract

Domain of Existence of the Sum of a Series of Exponential Monomials

A. S. Krivosheev, and O. A. Krivosheeva p. 508  abstract

On the Norms and Eigenvalues of \(r\)-Circulant Matrices with \(k\)-Mersenne and \(k\)-Mersenne–Lucas Numbers

Munesh Kumari, Kalika Prasad, Engin Özkan, and Jagmohan Tanti p. 522  abstract

Asymptotic Justification of Equations for von Kármán Membrane Shells

M. Legougui, and A. Ghezal p. 536  abstract

Characterization of \(B_{p(\cdot)}\) Weight and Some Maximal Characterizations of Anisotropic Weighted Hardy–Lorentz Spaces with Variable Exponent

Hongliang Li, and Xiao Yu p. 553  abstract

Orthogonal Curvilinear Coordinate Systems and Torsion-Free Sheaves over Reducible Spectral Curves

A. E. Mironov, A. Senninger, and I. A. Taimanov p. 573  abstract

On Algebras of Double Cosets of Symmetric Groups with Respect to Young Subgroups

Yu. A. Neretin p. 583  abstract

Inequalities for Rational Functions with Prescribed Poles

N. A. Rather, A. Iqbal, and Ishfaq Dar p. 593  abstract

Asymptotics of the Solution of an Initial–Boundary Value Problem for the One-Dimensional Klein–Gordon Equation on the Half-Line

E. S. Smirnova p. 608  abstract

Existence of Bargaining Sets for Cooperative Games with Fuzzy Payoffs

A. S. Shvedov p. 619  abstract


Short Communications

Relationship Between the Best \(L_p\) Approximations of Splines by Polynomials with Estimates of the Values of Intermediate Derivatives in Sobolev Spaces

T. A. Garmanova, and I. A. Sheipak p. 625  abstract

An Existence Theorem for Weak Solutions of the Initial–Boundary Value Problem for the Inhomogeneous Incompressible Kelvin–Voigt Model in Which the Initial Value of Density is Not Bounded from Below

V. G. Zvyagin, and M. V. Turbin p. 630  abstract

On the Absolute Convergence of Fourier Series of Functions of Two Variables in the Space \(C^{1,\omega}\)

B. S. Kashin, and A. V. Meleshkina p. 635  abstract

On the Estimate of Integral Norm of Solution of the Dirichlet Problem for Quasilinear Elliptic Equation

S. V. Pikulin p. 639  abstract