Volume 43, Issue 11

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November 2022

Part 1. Special issue: Modern Problems of Mathematical Physics and Related Topics of Analysis, Editor: A. T. Assanova and T. K. Yuldashev. Part 2. Special issue: Mathematical Statistics, Probability, and Functional Analysis, Editors: Winai Bodhisuwan, Mehmet Unver, and Andrei Volodin.

39 articles in this issue

Analytical Solutions of Nonlinear Beta Fractional Schrödinger Equation Via Sine-Cosine Method
Volkan Ala
Gaukhar Shaikhova
OriginalPaper 16 February 2023 Pages: 3033 - 3038
On the Negative Eigenvalues of the Discrete Schrödinger Operator with Non-Local Potential in Three-Dimensional Case
Sh. U. Alladustov
O. I. Kurbonov
H. Z. Axralov
OriginalPaper 16 February 2023 Pages: 3039 - 3047
Galerkin Approximations for an Initial Boundary Problem of Transient Flow in Fractured Porous Media
D. R. Baigereyev
A. S. Berdyshev
N. B. Alimbekova
OriginalPaper 16 February 2023 Pages: 3048 - 3056
A Computational Method for Solving a Boundary-Value Problem for Differential Equations with Piecewise Constant Argument of Generalized Type
E. A. Bakirova
Zh. M. Kadirbayeva
G. I. Salgarayeva
OriginalPaper 16 February 2023 Pages: 3057 - 3064
Initial-Boundary Value Problem for a Multidimensional Integro-Differential Equation of Hyperbolic Type and a Difference Method for its Numerical Implementation
M. Kh. Beshtokov
OriginalPaper 16 February 2023 Pages: 3065 - 3078
The Number and Location of Eigenvalues of the Two Particle Discrete Schrödinger Operators
I. N. Bozorov
Sh. I. Khamidov
S. N. Lakaev
OriginalPaper 16 February 2023 Pages: 3079 - 3090
On Best Error Bounds for Approximations by Algebraic Polynomials and Splines in the Spaces \(\boldsymbol{W_{p}^{m}(a,b)}\) and \(\boldsymbol{B_{p,q}^{s}(a,b)}\)
R. Z. Dautov
OriginalPaper 16 February 2023 Pages: 3091 - 3103
On a Nonlocal Boundary Value Problem for a Three-dimensional Tricomi Equation in a Prismatic Unbounded Domain
S. Z. Dzhamalov
Kh. Sh. Turakulov
M. A. Sultanov
OriginalPaper 16 February 2023 Pages: 3104 - 3111
The Kampé de Fériet Series and the Regular Solution of the Cauchy Problem for Degenerating Hyperbolic Equation of the Second Kind
T. G. Ergashev
N. J. Komilova
OriginalPaper 16 February 2023 Pages: 3112 - 3124
Nonlinear Inverse Problems for Fractional Differential Equations with Sectorial Operators
V. E. Fedorov
N. D. Ivanova
A. S. Avilovich
OriginalPaper 16 February 2023 Pages: 3125 - 3141
Exact Solutions for a Partial System of Second-Order Hypergeometric Equations and Some Decomposition Formulas
A. Hasanov
T. K. Yuldashev
OriginalPaper 16 February 2023 Pages: 3142 - 3150
Construction of an Optimal Quadrature Formula in the Hilbert Space of Periodic Functions
A. R. Hayotov
U. N. Khayriev
OriginalPaper 16 February 2023 Pages: 3151 - 3160
\(\boldsymbol{\varepsilon}\)-Condition Pseudospectra of the Direct Sum Operators
Z. I. Ismailov
P. Ipek Al
OriginalPaper 16 February 2023 Pages: 3161 - 3166
Construction of Solutions Hypergeometric System of Horn Type in the Form of Laguerre Polynomials
A. A. Issenova
Zh. N. Tasmambetov
M. Zh. Talipova
OriginalPaper 16 February 2023 Pages: 3167 - 3173
Asymptotical Behavior of Trajectories of Non-Volterra Quadratic Stochastic Operators
U. U. Jamilov
B. J. Mamurov
OriginalPaper 16 February 2023 Pages: 3174 - 3182
On an Algorithm for Solving a Problem with Parameter for the Essentially Loaded Differential Equations
Zh. M. Kadirbayeva
OriginalPaper 16 February 2023 Pages: 3183 - 3191
On a \(\boldsymbol{q}\)-Dirichlet–Neumann Problem with Discontinuity Conditions
Döne Karahan
Kh. R. Mamedov
T. K. Yuldashev
OriginalPaper 16 February 2023 Pages: 3192 - 3197
Asymptotics of the Solution of Bisingular Boundary Value Problems with a Biboundary Layer
D. A. Tursunov
G. A. Omaralieva
K. G. Kozhobekov
OriginalPaper 16 February 2023 Pages: 3198 - 3204
Multiperiodic Solutions of Systems of the Equations with Differential Operator in the Direction of a Vector Field
A. A. Kulzhumiyeva
Zh. Sartabanov
OriginalPaper 16 February 2023 Pages: 3205 - 3215
On a Non-Linear Differential-Integral Equation
Mario Lefebvre
OriginalPaper 16 February 2023 Pages: 3216 - 3221
Mixed Biharmonic Problem with the Steklov-type and Neumann Boundary Conditions in Unbounded Domains
Giovanni Migliaccio
Hovik A. Matevossian
OriginalPaper 16 February 2023 Pages: 3222 - 3238
On the Discrete Spectrum of the Three-Particle Schrödinger Operator on a Two-Dimensional Lattice
Z. I. Muminov
N. M. Aliev
T. Radjabov
OriginalPaper 16 February 2023 Pages: 3239 - 3251
Multiplication Operators Between Discrete Hardy Spaces on Rooted Trees
P. Muthukumar
P. Shankar
OriginalPaper 16 February 2023 Pages: 3252 - 3263
On a Boundary Value Problem for a Mixed Type Equations with a Partial Fractional Derivative
M. Kh. Ruziev
N. T. Yuldasheva
OriginalPaper 16 February 2023 Pages: 3264 - 3270
Inverse Problem for an Integro-Differential Wave Equation in a Cylindrical Domain
J. Sh. Safarov
D. K. Durdiev
OriginalPaper 16 February 2023 Pages: 3271 - 3281
Cauchy Problem for Subdiffusion Equation on Metric Star Graph with Edge Dependent Order of Time-Fractional Derivative
Z. A. Sobirov
OriginalPaper 16 February 2023 Pages: 3282 - 3291
Stochastic Helmholtz Problem with Constraints Linearly Depending on Velocities
M. I. Tleubergenov
G. K. Vassilina
D. S. Kulakhmetova
OriginalPaper 16 February 2023 Pages: 3292 - 3297
On Solvability of a Boundary Value Problem for a Nonlocal Biharmonic Equation with a Fractional Order Boundary Operator
K. I. Usmanov
B. Kh. Turmetov
K. Zh. Nazarova
OriginalPaper 16 February 2023 Pages: 3298 - 3309
Some Topological Properties of the Space of Probability Measures
T. K. Yuldashev
F. G. Mukhamadiev
OriginalPaper 16 February 2023 Pages: 3310 - 3314
Characterization of the Extension of Lattice Linear Space of Continuous Bounded Functions Generated by \(\boldsymbol{\mu}\)-Riemann-integrable Functions by Means of Order Boundaries
V. K. Zakharov
OriginalPaper 16 February 2023 Pages: 3315 - 3334
Finding the Explicit Solutions of a Second-Order Differential Equation of Riemann-type with Many Singular Points
S. K. Zarifzoda
OriginalPaper 16 February 2023 Pages: 3335 - 3343
The Absolute Stability of Program Manifold of Control Systems with Rigid and Tachometric Feedbacks
S. S. Zhumatov
G. K. Vassilina
OriginalPaper 16 February 2023 Pages: 3344 - 3351
A Note on Convergence in Mean for \(\boldsymbol{d}\)-Dimensional Arrays of Random Vectors in Hilbert Spaces Under the Cesàro Uniform Integrability
Dat Thai Van
OriginalPaper 16 February 2023 Pages: 3352 - 3358
Determination of Population Mean Using Neutrosophic, Exponential-Type Estimator
S. Kumar
S. P. Kour
V. Sharma
OriginalPaper 16 February 2023 Pages: 3359 - 3367
An Improved Family of Estimators for Estimating Population Mean Using Robust Regression in the Presence of Outliers
Nuanpan Lawson
OriginalPaper 16 February 2023 Pages: 3368 - 3375
An Improved Class of Population Mean Estimators by Utilizing Some Prior Information in Simple Random Sampling Using Searl’s Approach
Nuanpan Lawson
OriginalPaper 16 February 2023 Pages: 3376 - 3383
Double Saddlepoint Approximation: Properties and Applications
Alya Al Mutairi
OriginalPaper 16 February 2023 Pages: 3384 - 3389
Development of Imputation Methods for Missing Data in Multiple Linear Regression Analysis
Thidarat Thongsri
Klairung Samart
OriginalPaper 16 February 2023 Pages: 3390 - 3399
Estimation of Population Mean of a Sensitive Variable Using Randomized Response Technique Under Two-Phase Sampling
K. K. Tiwari
S. Bhougal
S. Kumar
OriginalPaper 16 February 2023 Pages: 3400 - 3406

Volume 43, Issue 11

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