Public sector macroeconomics and economic growth, digital economy and transformation, blockchain and digital assets, financial systems and banking competition, IT law and digital regulation, cybersecurity, virtualization and information systems architecture, applied information technologies in economic management, accounting and analytical frameworks in digital environments, smart economy.

• Blockchain technologies
• Economics and Business Strategies in Board Games
• Economics of sustainable development (eng. language)
• Operating Systems
• Smart-economy
• Economic and mathematical methods and models
• Information and communication technologies (072 "Finance, banking, insurance and stock market")

Scientific Publications (2021–2026)

 Articles Indexed in Scopus and International Databases

1. Babichev, S., Yarema, O., Savchenko, A. (2025). Evaluating proximity metrics for gene expression data: A hybrid model integrating data mining and machine learning techniques for disease diagnosis systems. Biomedical Signal Processing and Control, 110, 108115. https://doi.org/10.1016/j.bspc.2025.108115
2. Babichev, S., Yarema, O., Khomenko, Y., Senchyshen, D., & Durnyak, B. (2025). Sensor-oriented framework for underwater acoustic signal classification using EMD–wavelet filtering and Bayesian-optimized random forest. Sensors, 25(17), 5336. https://doi.org/10.3390/s25175336
3. Babichev, S., Yarema, O., Liakh, I., & Shumylo, N. (2025). A gene ontology-based pipeline for selecting significant gene subsets in biomedical applications. Applied Sciences, 15(8), 4471. https://doi.org/10.3390/app15084471
4. Babichev, S., Yarema, O., Liakh, I., & Honcharuk, A. (2024). Integrative approach to gene expression data analysis: Combining biclustering techniques with gene ontology. Lecture Notes on Data Engineering and Communications Technologies, 219, 149–177. https://doi.org/10.1007/978-3-031-70959-3_8
5. Babichev, S., Yarema, O., & Liakh, I. (2024). A hybrid inductive model for gene expression data processing using spectral clustering. CEUR Workshop Proceedings, 3892, 11–19.
6. Yarema, O., & Babichev, S. (2024). Current state of methods and algorithms for gene expression data clustering and biclustering: A survey. Herald of Advanced Information Technology, 7(4), 347–360. https://doi.org/10.15276/hait.07.2024.24
7. Babichev, S. A., & Yarema, O. R. (2024). Analiz suchasnoho stanu metodiv formuvannia pidmnozhyn znachushchykh ta vzaiemno ekspresovanykh danykh ekspresii heniv. Prykladni pytannia matematychnoho modeliuvannia, 7(2). https://doi.org/10.32782/mathematical-modelling/2024-7-2-2
8. Slatvinska, V., Demchenko, V., Tretiak, K., Hnatyuk, R., & Yarema, O. (2021). The impact of blockchain technology on international trade and financial business. Universal Journal of Accounting and Finance, 10(1), 102–112. https://doi.org/10.13189/ujaf.2022.100111

 International Scientific Conferences (Scopus)

9. Lutskiv, M., El Bouhissi, H., Shepita, P., Lohin, V., & Yarema, O. (2024). Simulation of normal exponential transformation of dark tone images. In Proceedings of the 1st International Workshop on Intelligent & CyberPhysical Systems (ICyberPhyS-2024), Khmelnytskyi, Ukraine. (Scopus indexed).

 Peer-Reviewed Journals in Economics and Digital Transformation

10. Yarema, O. R., Hrynda, T. M. (2025). Vykorystannia Big Data ta AI dlia prohnozuvannia popytu na poshtovo-lohistychni posluhy v umovakh turbulentnosti. Finansovyi prostir, 3(57). https://doi.org/10.30970/fp.3(57).2025.071819
11. Yarema, O. R., Zosimchuk, M. B. (2025). Porivnialnyi analiz struktur syrovynnykh ta vysokotekhnolohichnykh ekonomik: osoblyvosti rozvytku, osnovni ryzyky ta napriamy modernizatsii. Finansovyi prostir, 4(58). https://doi.org/10.30970/fp.4(58).2025.838889
12. Yarema, O. R., Vasko, A. R. (2024). Prohnozuvannia volatylnosti Bitcoin: modeli ARCH/GARCH. International Scientific Journal “Internauka”, (12). https://doi.org/10.25313/2520-2057-2024-12-10486
13. Yarema, O. R., Tymchyshyn, S. O., & Knysh, O. H. (2023). Kiberataky v suchasnomu sviti: navishcho ta yak zakhystytysia. International Scientific Journal “Internauka”, (20). https://doi.org/10.25313/2520-2057-2023-20
14. Yarema, O. R., Maletskyi, O. M., & Havryshkiv, O. V. (2022). Svitovi tendentsii hlobalnoi elektronnoi komertsii. International Scientific Journal “Internauka”, (15). https://doi.org/10.25313/2520-2057-2022-15-8456

Monographs and Textbooks

15. Information Technologies in Business. Part 1: Study Guide / Shevchuk I. B., Starukh A. I., Vaskiv O. M. et al.; edited by I. B. Shevchuk. Lviv: ATB Publishing House, 2020. 419 p.
16. European Values and Traditions of Economic Science: Monograph / collective authors; edited by Prof. M. I. Khmeliarchuk. Lviv: University of Banking, 2021. 221 p. ISBN 978-966-484-326-0.

Conference Abstracts (2021–2026)

17. Yarema, O. R., Fedyk, O. P., & Havryshkiv, O. V. (2022). Characteristics of information warfare in Ukraine: Prospects and threats. III International Scientific and Practical Conference “Progressive Research in the Modern World”, Boston, USA.
18. Yarema, O. R., Yakovets, I. V. (2022). Assessment of the efficiency of logistics activities of an e-commerce enterprise. III International Scientific and Practical Conference, London, United Kingdom.
19. Yarema, O. R., Tarasenko, P. V. (2021/2022). Development of multifactor authentication: Why users neglect their security. International Scientific and Practical Conference “Development of Banking Systems in the Context of Globalization of Financial Markets”.
20. Yarema, O. R., Dolinskyi, B. Ye. (2021/2022). Competition between traditional banking systems and neobanks at the present stage. International Scientific and Practical Conference “Development of Banking Systems in the Context of Globalization of Financial Markets”.

Research Activity

Oleg Romanovych Yarema, PhD in Economics, is an Associate Professor at the Department of Digital Economy and Business Analytics, Ivan Franko National University of Lviv.

From 2008 to 2013, he studied at the Faculty of Economics of Ivan Franko National University of Lviv, majoring in Economic Cybernetics.
From 2009 to 2015, he completed his studies at the Faculty of Law of the same university, specializing in Law.

Between 2014 and 2016, he pursued doctoral studies (PhD program) at Ivan Franko National University of Lviv.
In 2016, he defended his PhD dissertation devoted to the macroeconomic analysis of the impact of the public sector on economic growth in Ukraine.

In October 2024, he was awarded the academic title of Associate Professor at the Department of Digital Economy and Business Analytics, Ivan Franko National University of Lviv.

His research focuses on interdisciplinary areas at the intersection of economics and information technologies, including digital economy and digital transformation, blockchain and digital assets, financial systems, information security, virtualization and information systems architecture, and applied IT solutions in economics.

He is the author and co-author of scientific publications indexed in international databases such as Scopus and Web of Science.

Professional Activity

Since 2019, he has been an Associate Professor at the Department of Digital Economy and Business Analytics, Faculty of Finance Management and Business, Ivan Franko National University of Lviv.

From 2018 to 2022, he served as Associate Professor at the Department of Economics and Information Technologies, Lviv Institute of Banking of the University of Banking.

Since 2018, he has been a licensed attorney-at-law. He combines academic and research activities with professional practice in IT law, digital regulation, and corporate governance.

He is also the Director of LLC “Industrial and Production Innovation Center Westenergo”.

Cryptocurrency Literacy and Blockchain

Certificate – Blockchain Module №1

Certificate – Blockchain Module №2

SoftServe Academy Course – DevOps

Certificate Series BU № 17359/2024

International Internship:
“Modern Teaching Methods and Innovative Technologies in Higher Education: European Experience and Global Trends,” organized by the University of Finance, Business and Entrepreneurship

Certificate BG/VUZF/765-2021

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