| Vol-3746 urn:nbn:de:0074-3746-4 Copyright © 2023 for the individual papers by the papers' authors. Copyright © 2023 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# DSMSI 2023 CAM
Dynamical System Modeling and Stability Investigation

### Selected Papers of the XX International Scientific Conference “Dynamical System Modeling and Stability Investigation" (DSMSI-2023). Conference Proceedings. Volume 2: Computer Applied Mathematics

### Kyiv, Ukraine, Decembeer 20 - 21, 2023.

Edited by

### Denys Khusainov *
Josef Diblik **
Oleksii Bychkov *
Leonid Berezansky ***
Andriy Shatyrko *

*Taras Shevchenko National University of Kyiv, Ukraine
**Brno University of Technology, Brno, Czech Republic
*** Ben-Gurion University of the Negev, Be'er Sheva, Israel

## Table of Contents

- Preface
  Summary: There were 23 papers submitted for peer-review to this conference. Out of these, 14 papers were accepted for this volume, 8 as regular papers and 6 as short papers.

### Full papers

- Use of Convolutional Neural Networks for Identifying Additional Features on a Digital Image of Human Face 1-11
  Kateryna Merkulova, Bohdan Pavliukh
- Diversification of Stock Portfolio Structure under Market Restrictions 12-21
  Oleksiy Oletsky, Victor Kulian, Maryna Korobova, Olena Yunkova
- A Mobile Facial Recognition System Based on a Set of Raspberry Technical Tools 23-32
  Nikolay Kiktev, Taras Lendiel, Oleksandr Korol
- The Regularized Operator Extrapolation Algorithm for Variational Inequalities 33-43
  Vladimir Semenov, Oleh Kharkov
- Text Classification using Term Co-occurrence Matrixod 44-53
  Tetiana Kovaliuk, Iryna Yurchuk, Oksana Kovtun, Anastasiia Nikolaienko, Kseniia Dukhnovska
- Medical Card Information System for Data Analysis from Fitness Bracelets 54-63
  Oleksii Bychkov, Oleksandr Gezerdava, Kseniia Dukhnovska, Oksana Kovtun, Olga Leshchenko
- Quantile-Based Statistical Techniques for Anomaly Detection 64-73
  Iryna Yurchuk, Anna Pylypenko
- Machine Learning for Remote Monitoring of Agricultural Fields with Explosive Tunnels 74-84
  Nikolay Kiktev, Oleksiy Opryshko, Alla Dudnyk, Volodymyr Reshetiuk

### Short Papers

- Example of Chaotic Behavior in Systems of Ordinary Differential Equations Arising in Modeling of Gene Regulatory Networks 85-89
  Felix Sadyrbaev, Olga Kozlovska
- A Nonlinear Autonomous Boundary Value Problem for a Non-Degenerate Differential-Algebraic System 90-95
  Denys Khusainov, Sergey Chuiko, Olga Nesmelova, Daria Diachenko
- Weak Chaos and Controllability Conditions in Discrete Systems 96-101
  Sergey Dashkovskiy, Oleksandr Boichuk, Oleksandr Pokutnyi, Olena Polishchuk
- The System for Recognizing Useful Information of the Client's ID-Card Based on Machine Learning Technologies 102-108
  Oleksii Bychkov, Liudmyla Zubyk, Dmytro Gololobov, Yaroslav Isaienkov, Ganna Grynkevych, Anastasiia Ivanytska
- Approximation Properties of Generalized Hölder Classes in Context of Signal Processing 109-114
  Oleg Barabash, Andrii Musienko, Andriy Makarchuk, Mykola Myroniuk, Tetiana Fedchuk
- AI and LLM Models to Analyze and Identify Сybersecurity Incidents 115-123
  Miroslava Ruzickova, Irada Dzhalladova, Oleg Kaminsky, Oleksandr Bartash, Arsen Pavlov

2024-08-05: submitted by Oleksii Bychkov, metadata incl. bibliographic data published under Creative Commons CC0
2024-08-22: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|