Contents

Lobachevskii Journal of Mathematics


Vol. 46, No. 10, 2025


Restoring the Structure of Objects in the Problem of Determining Permeability Based on the Results of Measuring the Near Electromagnetic Field Using Neural Network Filtering Methods

A. D. Barysheva, I. V. Eliseeva, A. V. Medvedev, and M. Yu. Medvedik p. 4959  abstract

Comparative Analysis of Plasmon Resonances of Coupled Nanoparticles in the Presence of Quantum Effects

Yu. A. Eremin and V. V. Lopushenko p. 4968  abstract

Study of Surface Currents on Thin Screens with Perturbed Geometry: A Method of Moments Approach with GPU Acceleration

D. Kh. Giniyatova p. 4977  abstract

Characteristics of the Electromagnetic Field of Strip Radiators with Chiral Metamaterial Substrates

D. S. Klyuev, M. A. Minkin, S. V. Morozov, A. M. Neshcheret, and Yu. V. Sokolova p. 4991  abstract

On the Polarization of Solutions of Sets of Partial Differential Equations with Constant Coefficients

I. E. Pleshchinskaya and N. B. Pleshchinskii p. 5005  abstract

On the Problems of Diffraction of Electromagnetic Waves by Prefractal Barriers in Waveguides with Metal Walls

N. B. Pleshchinskii and M. D. Tumakov p. 5012  abstract

Method of Integral Equations in Problems of Scattering by Combinations of Thin Dielectrics and Ideal Conductors

A. V. Setukha and I. A. Mass p. 5023  abstract

Muller Boundary Integral Equations for Mathematical Modeling of Guided Waves in Optical Fibers

E. E. Shabardin and E. M. Karchevskii p. 5036  abstract

TM Waves in a Dielectric Waveguide Covered by a Layer of Graphene

Y. V. Shestopalov and D. A. Volobueva p. 5048  abstract

Numerical Method for Solving the Microwave Tomography Problem of Reconstruction of Inhomogeneities in Hemispherical Body

Yu. G. Smirnov, M. Yu. Medvedik, and V. Yu. Martynova p. 5063  abstract

On the Approximation of the Solution of the Internal Electrodynamics Problem by the Eigenfunctions Method

D. P. Tabakov, A. G. Majorov, and D. S. Klyuev p. 5075  abstract

A Comparative Analysis of Dynamics of Population Change: Regional Features

I. A. Agayev, Kh. N. Khalafli, A. Sardarli, F. Sh. Tagiyeva, J. A. Rahimov, V. Ch. Jalilov, and M. De Silva p. 5090  abstract

Topp–Leone Shanker Distribution with Its Application

Winai Bodhisuwan, Andrei Volodin, and Kanittha Yimnak p. 5099  abstract

Design of the One-Sided Run-Sum and EWMA Control Charts for Monitoring the Mean Shifts in Gamma-Distributed Processes

Kai Le Goh, Wei Lin Teoh, XueLong Hu, Zhi Lin Chong, and Michael B. C. Khoo p. 5108  abstract

Electronic Component Parameter Recognition by a Nonparametric Approach with an Assignment Algorithm

Shih-Feng Huang, Tzung-Pei Hong, Hao-Tse Hsueh, and Yi-Ting Chen p. 5127  abstract

A Comparative Performance Analysis of Data Balancing Techniques and Stacked Ensemble Models for SME Credit Risk Assessment

Sornthun Intharasompong, Piyada Wongwiwat, and Wikanda Phaphan p. 5143  abstract

Enhanced Exponential Type Ratio Estimator for Estimating Population Mean in Stratified Random Sampling under Linear Cost Function

Bhatt Ravi Jitendrakumar, Ashish Kumar, Yashpal Singh Raghav, and Monika Saini p. 5158  abstract

A Mean Convergence Theorem for Triangular Arrays of Rowwise and Pairwise Independent Random Vectors in Hilbert Spaces

Anh Nguyen Ha Hoai, Hoa Nguyen Thi Khanh, Thuy Le Hoang, and Trang Nguyen Linh p. 5173  abstract

Models for Analyzing Factors and Classifying Informal Employment

Wikanda Phaphan and Panu Chuchuang p. 5180  abstract

A Hybrid Machine Learning Techniques with Imbalanced Data for Financial Distress Prediction

Phatchara Plypichit and Supranee Lisawadi p. 5194  abstract

DUS Exponential Distribution: Properties and Applications

Danish Qayoom, Aafaq A. Rather, Andrei Volodin, Orawan Supapueng, Adil H. Khan, and Faizan Danish p. 5213  abstract

The Transmuted Komal Distribution: Properties, Estimation, and Real-World Applications

Suvarna Ranade, Aafaq A. Rather, Maryam Aljarrah, D. Vedavathi Saraja, and Syed M. Parveen p. 5229  abstract

A Novel Statistical Approach to COVID-19 Data Using the Exponentiated Komal Distribution

Suvarna Ranade, Aafaq A. Rather, and Eid Sadun Alotaibi p. 5239  abstract

Count Data Modeling With Excess Zeros and Its Application

N. Rungjindarat, N. Phansaita, and V. Vongsantivanich p. 5253  abstract

\(\boldsymbol{S}\)-Distribution, a New One-Parameter Exponential-Gamma Distribution: Properties and Applications

S. R. M. Sabri and A. A. Adetunji p. 5264  abstract

Bootstrapping the Profile Likelihood Ratio Test for the Risk Ratio in Meta-Analysis of Rare Events

P. Sangnawakij p. 5277  abstract

Nonparametric Mixed Moving Average–Exponentially Weighted Moving Average Control Chart with Applications

Weerawat Sudsutad, Yupaporn Areepong, and Saowanit Suparungsee p. 5292  abstract

The Efficiency of the Hotelling’s \(\boldsymbol{T^{2}}\) Control Chart Performance using Bivariate Copulas: A Monte Carlo Simulation Approach with Kendall’s Tau Dependence

Sujitta Suraphee, Yucui Li, Kanita Petcharat, Lili Zhang, and Piyapatr Busababodhin p. 5312  abstract

On the (\(\boldsymbol{p,q}\))-Type Strong Law of Large Numbers for Sequences of Pairwise Independent Random Vectors in Hilbert Spaces

Anh Ta Quynh, Phuong Nguyen Thi Huyen, and Trang Van Thi Quynh p. 5328  abstract

Hybrid Stratified Three-Stage Randomized Response Model for Estimating Rare Sensitive Attributes

Tanveer Ahmad Tarray, Gazala Salam, Ashiq Mohd Ilyas, Eid Sadun Alotaibi, Aafaq A. Rather, and Danish Qayoom p. 5336  abstract

On the Consistency of Multidimensional Scaling under Gaussian Noise: A Maximum Likelihood Framework

Chanon Thongprayoon p. 5344  abstract

Machine Learning-Based Classification with Shapley Additive Explanations: A Case Study on PM2.5 Concentration Levels

Jiraroj Tosasukul and Ratchada Viriyapong p. 5355  abstract

A Study on Weighted Quasi Suja Distribution: Properties and Practical Applications

Vidya Yerneni, Aafaq A. Rather, and Eid Sadun Alotaibi p. 5369  abstract

A Comprehensive Approach to Poststratification for Subpopulation Estimation in Stratified Sampling Design

Mostafa Hossaini, Abdolhamid Rezaei Roknabady, and Ahmed Naji Alkinani p. 5385  abstract

Computational Algorithm for Downward Continuation of Gravity Anomalies

D. K. Ivanov, L. N. Temirbekova, and P. N. Vabishchevich p. 5398  abstract

On Uniqueness of Recovering of Sturm–Liouville Operators with the Spectral Boundary Condition

Yasser Khalili and Nematollah Kadkhoda p. 5411  abstract

Analysis of Nonlocal Problem for Loaded Parabolic Equation via Numerical Method

S. K. Kuanysh and Zh. M. Kadirbayeva p. 5417  abstract

Contactization of First Order PDE Systems

A. G. Kushner and S. S. Mukhina p. 5428  abstract

Audio Ternary Watermarking

R. Kh. Latypov and E. L. Stolov p. 5437  abstract

Contact Geometry of Barotropic Gas Flows

S. S. Mukhina p. 5451  abstract

On the Stress-strain State of a Multilayer Composite Plate with Different Resistance in Compression and Tension

I. Petrakov p. 5459  abstract

Numerical Techniques for Solving Fractional Glucose–Insulin Regulatory Systems

Sayed Saber, Abdullah Alahmari, Alshaikh A. Shokeralla, and Fathelrhman EL Guma p. 5471  abstract

Methods for Reducing the Complexity of Critical Functions Computations for Antenna Placement Problems Using Brute Force Algorithm

Aye Min Thike, Sergey Lupin, Pavel Telegin, and Boris Shabanov p. 5484  abstract