Contents

Lobachevskii Journal of Mathematics


Vol. 44, No. 2, 2023


Asymtotic of the Discrete Spectrum of the Three-Particle Schrödinger Operator on a One-Dimensional Lattice

N. M. Aliev p. 491  abstract

Specific Cases of One General Inverse Problem for Abstract Differential Equations

M. Almohamed, I. V. Tikhonov p. 502  abstract

Implicit Upwind Difference Scheme for a Symmetric $\boldsymbol{t}$-Hyperbolic System with Variable Coefficients and Lowest Terms

R. D. Aloev, M. U. Khudoyberganov p. 510  abstract

Third Boundary Value Problem for an Equation with the Third Order Multiple Characteristics in Three Dimensional Space

Yu. P. Apakov, A. A. Hamitov p. 523  abstract

Inverse Problem for Mixed-type Equation with an Elliptic Operator of Arbitrary Order

R. R. Ashurov, M. B. Murzambetova p. 533  abstract

On an Algorithm for the Numerical Solution of Integral-Algebraic Equations

M. V. Bulatov p. 542  abstract

Inverse Coefficient Problem for a Time-Fractional Diffusion Equation in the Bounded Domain

D. K. Durdiev, J. J. Jumaev p. 548  abstract

Basins of Fixed Points for Composition of the Lotka–Volterra Mappings and Their Classification

D. B. Eshmamatova, Sh. J. Seytov, N. B. Narziev p. 558  abstract

Inverse Problem for Whitham Type Multi-Dimensional Differential Equation with Impulse Effects

A. K. Fayziyev, A. N. Abdullozhonova, T. K. Yuldashev p. 570  abstract

Complex Powers of Fractional Sectorial Operators and Quasilinear Equations with Riemann–Liouville Derivatives

V. E. Fedorov, A. S. Avilovich, T. A. Zakharova p. 580  abstract

Nonlocal Solvability of Quasilinear Degenerate Equations with Gerasimov–Caputo Derivatives

V. E. Fedorov, T. A. Zakharova p. 594  abstract

The Spectrum of a Non-local Discrete Schrödinger Operator with a Delta Potential on the One-Dimentional Lattice

Sh. S. Lakaev, G. I. Ismoilov, O. I. Kurbonov p. 607  abstract

An Equilibrium Problem for a Kirchhoff–Love Plate, Contacting an Obstacle by Top and Bottom Edges

N. P. Lazarev, G. M. Semenova, E. D. Fedotov p. 614  abstract

Fourier Problem for Fractional Diffusion–Wave Equation

M. O. Mamchuev, A. M. Mamchuev p. 620  abstract

Generalized Sturm Problem for a Linear Fractional Differential Equation

M. G. Mazhgikhova p. 629  abstract

Degenerate Equations with the Dzhrbashyan–Nersesyan Derivative in the Sectorial Case

M. V. Plekhanova, E. M. Izhberdeeva p. 634  abstract

D’Alembert Formula for Diffusion-Wave Equation

A. V. Pskhu p. 644  abstract

On the Solvability of a Linear Boundary Value Problem with Impulse Effects for Differential System

A. B. Tleulessova, A. S. Orazbekova, Y. N. Kalpakov p. 653  abstract

Optimal Feedback Control Problem for a Singularly Perturbed Discrete System

T. K. Yuldashev, B. Y. Ashirbaev p. 661  abstract

Identification of Quantum Hashes: Numerical Experiment

F. M. Ablayev, M. T. Ziatdinov p. 669  abstract

Online $\boldsymbol{L(2,1)}$-Coloring Problem on Paths with Restricted Size of Memory

D. Bashirova p. 680  abstract

Quantum Versus Classical Online Streaming Algorithms with Logarithmic Size of Memory

K. Khadiev, A. Khadieva, D. Kravchenko, I. Mannapov, A. Rivosh, R. Yamilov p. 687  abstract

Quantum Algorithm for Dynamic Programming Approach for DAGs and Applications

K. Khadiev, L. Safina p. 699  abstract

Deterministic Construction of QFAs Based on the Quantum Fingerprinting Technique

A. Khadieva, M. Ziatdinov p. 713  abstract

The Improvement of Decision Tree Construction Algorithm Based on Quantum Heuristic Algorithms

I. M. Mannapov p. 724  abstract

A Novel Artificial Neural Networks Architecture Based on Cerebellum Model

A. R. Nurutdinov, R. Kh. Latypov p. 733  abstract

Quantum Amplitude Amplification Algorithm Simulation for Prediction of a Binary Classification Problem

L. I. Safina p. 747  abstract

Concept Formalization in Designing: Roles of Natural and Artificial Actors

S. Shalagin, G. Shalagina p. 757  abstract

Collision Resistance of the OAM-based Quantum Hashing

A. V. Vasiliev p. 764  abstract

A Method for Analyzing Repetitive Pseudorandom Sequences by the Criterion of Markov Chain Entropy

V. Zakharov, S. Shalagin p. 768  abstract

Cryptographic Properties of the Quantum Hashing Based on Expander Graphs

I. Zinnatullin p. 776  abstract

Comparison of the Repeated Significance Sequential Tests of Pocock, O’Brien and Fleming, and Lan and DeMets for Binary Responses

N. G. N. Abirami, M. R. Sooriyarachchi p. 788  abstract

Generalized DUS Transformed Garima Distribution: Properties, Simulations and Applications

Thanasate Akkanphudit p. 803  abstract

A Strong Limit Theorem for Double Arrays of Dependent Random Variables

V. T. N. Anh, N. T. T. Hien p. 815  abstract

On the Randomized Bernstein Approximation Theorem and the Order of Approximation

Tran Loc Hung p. 821  abstract

Estimation of Population Mean Using Information on Two Auxiliary Attributes

Neelesh Kumar, Housila P. Singh p. 838  abstract

Classical and Bayesian Methods for Testing the Ratio of Variances of Delta-Lognormal Distributions

Wararit Panichkitkosolkul, Mohammad Mastak Al Amin, Andrei Volodin p. 852  abstract

On the Normal Approximation of the Ratio of Means Estimation of Lognormal Distributions with Application to PM2.5 Concentrations in Northern Thailand

Lapasrada Singhasomboon, Janjira Piladaeng p. 873  abstract