Increasing the Classification Accuracy of EEG based Brain-computer Interface Signals. - Georgi Petrov Dimitrov; Pavel S. Petrov; Inna Dimitrova; Galina S. Panayotova; Ivan Garvanov; Olexiy S. Bychkov; Eugenia Kovatcheva; Pepa Petrova (ACIT, 2020)

The Introduction of Ethics into Cybersecurity Curricula. - Lyudmyla Adaryukova; Oleksii S. Bychkov; Kateryna Merkulova; Alla Skyrda (ICTERI, 2020)

Mathematical Methods for Information Technology of Biometric Identification in Conditions of Incomplete Data. - Oleksii S. Bychkov; Oleksii Ivanchenko; Kateryna Merkulova; Yelyzaveta Zhabska (IT&I Workshops, 2020)

Development of Information Technology for Person Identification in Video Stream. - Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska; Andriy Shatyrko (IntSol, 2021)

Construction of a Mathematical Model of the Heart Muscle. - Oleksii S. Bychkov; Evgen Gurko; Denys Khusainov; Andriy Shatyrko; Bedrich Puza; Veronika Novotná (IT&I, 2021)

Information Technology for Chest XRay Images Analysis. - Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska; Oleh Stelmakh (IT&I Workshops, 2021)

Decrease the time for classification of the incoming signals from BCI. - Georgi Petrov Dimitrov; Galina S. Panayotova; Eugenia Kovatcheva; Pavel S. Petrov; Magdalena Garvanova; Snejana Petrova; Inna Dimitrova; Olexiy S. Bychkov (SSPS, 2021)

Projects Management in Technology Start-ups for Mobile Software Development. - Pavel S. Petrov; Svetoslav Ivanov; Petar Dimitrov; Georgi Petrov Dimitrov; Oleksii S. Bychkov (Int. J. Interact. Mob. Technol., 2021)

Enhancement of Information Technology for Person Identification Based on Image Quality Features. - Oleksii S. Bychkov; Oleksii Ivanchenko; Kateryna Merkulova; Yelyzaveta Zhabska (IT&I, 2022)

Construction and Optimization of Stability Conditions of Learning Processes in Mathematical Models of Neurodynamics. - Andriy Shatyrko; Denys Khusainov; Oleksii S. Bychkov; Josef Diblík; Jaromír Bastinec (IT&I Workshops, 2022)

Preprocessing Methods Study to Improve Information Technology for Person Identification by Occluded Image. - Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska (ITTAP, 2022)

Database Administration Practical Aspects in Providing Digitalization of Educational Services. - Pavel S. Petrov; Ivan Kuyumdzhiev; Rami Malkawi; Georgi Petrov Dimitrov; Oleksii S. Bychkov (Int. J. Emerg. Technol. Learn., 2022)

Medical Card Information System for Data Analysis from Fitness Bracelets. - Oleksii S. Bychkov; Oleksandr Gezerdava; Kseniia Dukhnovska; Oksana Kovtun 002; Olga Leshchenko (DSMSI (2), 2023)

Algorithm for Finding a Positive Definite Solution to the Sylvester Matrix Equation. - Oleksii S. Bychkov; Ganna Marzafey; Georgy Dimitrov (DSMSI (1), 2023)

The System for Recognizing Useful Information of the Client's ID-Card Based on Machine Learning Technologies. - Oleksii S. Bychkov; Liudmyla Zubyk; Dmytro Gololobov; Yaroslav Isaienkov; Ganna Grynkevych; Anastasiia Ivanytska (DSMSI (2), 2023)

Research and Comparative Analysis of Person Identification Information Technology. - Oleksii S. Bychkov; Yelyzaveta Zhabska; Kateryna Merkulova; Mykyta M. Merkulov (IntSol, 2023)

Exploring Conditions of Image Samples Formation for Person Identification Information Technology. - Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska (IT&I Workshops, 2023)

Structural-Schematic Approach in the Modelling of Dynamic Systems. - Josef Diblík; Andriy Shatyrko; Denys Khusainov; Oleksii S. Bychkov (IT&I, 2023)

Exploring Image Unified Space for Improving Information Technology for Person Identification. - Vasyl P. Martsenyuk; Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska (IEEE Access, 2023)

Enhancing Object Detection and Classification in High-Resolution Images Using Sahi Algorithm and Modern Neural Networks. - Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska; Andrii Yaroshenko (IT&I, 2024)

Online method for Learning Process States in Cyber-Physical Production Systems. - Kyrylo Kadomskyi; Georgi Petrov Dimitrov; Olexiy S. Bychkov (ACIT, 2025)

Exploring the Potential of Brain-Computer Interfaces and EEG Signal Analysis Algorithms: A Review and Analysis of Computational Techniques. - Petar Nikolov; Olexiy S. Bychkov; Katia Rasheva-Yordanova; Georgi Petrov Dimitrov; Pavel S. Petrov; Vasyl Martsenyuk (ACIT, 2025)

Automatic psychoemotional state analysis of text messages. - Oleksii S. Bychkov; Tatyana Obrusnik; Kseniia Dukhnovska (IWSCI@IntSol, 2025)

Exploring Neural Network Methods for Software of Military Object Detection in UAV Images. - Oleksii S. Bychkov; Kateryna Merkulova; Yelyzaveta Zhabska; Ivan Ivanenko (AITDS@IT&I, 2025)