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Prof. Dr. Igoris Belovas
Department: Intelligent Technologies Research Group
Position: Senior Researcher, Professor
Address: Akademijos st. 4, room 621, Vilnius
Phone: +370 5 210 9339
E-mail:
Scientific and pedagogical background
- Professor and Senior Researcher, Vilnius University Institute of Data Science and Digital Technologies.
- PhD in Mathematics, Institute of Mathematics and Informatics (and VGTU), 2004.
Scientific publications
Principal publications (2019-2024):
- Belovas, I., Sabaliauskas. M., Mykolaitis, P. (2023). Apie sveikųjų skaičių sekų, asocijuotų su pirminiais dvyniais, apskaičiavimą. Lietuvos matematikos rinkinys. Serija B, 64, 23–29. DOI: 10.15388/LMR.2023.33586.
- Belovas, I. (2023). Trikampių masyvų klasės skaičių problemos. Lietuvos matematikos rinkinys. Serija B, 64, 16–22. DOI: 10.15388/LMR.2023.33577.
- Belovas, I. (2023). An inequality for the Riemann zeta function. Acta Mathematica Hungarica.170(1), 367-378. DOI: 10.1007/s10474-023-01329-3
- Belovas, I. (2023). The asymptotics of the geometric polynomials. Mathematica Slovaca, 73 (2). 335-342. DOI: 10.1515/ms-2023-0026
- Belovas, I., Sabaliauskas, M., Kuzma, L. (2022) Series with binomial-like coefficients for the investigation of fractal structures associated with the Riemann zeta function. Fractal and fractional, 6(6:300), 1-21. DOI: 10.3390/fractalfract6060300.
- Belovas, I. (2022). Central limit theorems for combinatorial numbers associated with Laguerre polynomials. Mathematics, 10 (6:865). DOI: 10.3390/math10060865
- Belovas, I. (2022). Central and local limit theorems for the weighted Delannoy numbers. Analele Stiintifice Ale Universitatii Ovidius Constanta-Seria Matematica, 30(2), 25-44. DOI: 10.2478/auom-2022-001
- Belovas, I., Sakalauskas, L. Starikovičius, V. (2022). A method for accelerated computation of the Riemann zeta function on the complex plane. Publicationes Mathematicae Debrecen, 100(1-2), 167–184. DOI: 10.5486/PMD.2022.9120
- Kuzma, L., Belovas, I., Sabaliauskas, M. (2022) Precalculated arrays-based algorithms for the calculation of the Riemann zeta-function // Vilnius University Open Series: Konferencijos „Lietuvos magistrantų informatikos ir IT tyrimai“ darbai", 2022 m. gegužės 16 d. Vilnius : Vilniaus universiteto leidykla, 44-53. DOI: 10.15388/LMITT.2022.5
- Belovas, I. (2022). Series with binomial-like coefficients for the Riemann zeta function. Annali Di Matematica Pura Ed Applicata, 201, 903–912. DOI: 10.1007/s10231-021-01142-1
- Belovas, I. (2021). Limit theorems for numbers satisfying a class of triangular arrays // Glasnik matematički. 56 (2), 195-223. DOI: 10.3336/gm.56.2.01
- Belovas, I., Sakalauskas, L., Starikovičius, V., Sun, E. W. (2021). Mixed-stable models: an application to high-frequency financial data. Entropy, 23(6:739), 1–12. DOI: 10.3390/e23060739
- Belovas, I. (2021). Central and local limit theorems for numbers of the tribonacci triangle. Mathematics, 9(8:880), 1-11. DOI: 10.3390/math9080880
- Belovas, I. (2021). An inequality for the modified Selberg zeta-function. Ramanujan Journal, 55(3), 1063-1082. ISSN: 1382-4090 ; eISSN: 1572-9303; DOI: 10.1007/s11139-020-00265-y
- Chaževskas, A., Belovas, I., Marcinkevičius, V. Forensic password examination in leaked user databases // Zborník príspevkov 17. medzinárodný kongres kriminalistika a forenzné vedy: veda, vzdelávanie, prax, 16-17 September 2021 Bratislava, Slovenská Republika / Štefan Zachar, Jozef Meteńko, Miriam Meteńková (eds.). Bratislava : Akadémia Policajného zboru v Bratislave, 2021. ISBN 9788080549053. p. 241-257.
- Belovas, I. (2021). Ribinės teoremos Floydo trikampiui: naujas požiūris į nenaują uždavinį. Lietuvos matematikos rinkinys. Serija B, 62, p. 22-27. DOI: 10.15388/LMR.2021.25222
- Belovas, I., Sabaliauskas, M. (2020). Series with binomial-like coefficients for the evaluation and 3D visualization of zeta functions. Informatica, 31(4), 1-22.
- Belovas, I. (2020). Centrinė ribinė teorema trikampių masyvų klasės skaičiams, asocijuotiems su Ermito daugianariais. Lietuvos matematikos rinkinys. Serija B, 61, 1–7. DOI: 10.15388/LMR.2020.22466
- Belovas, I. (2019). A local limit theorem for coefficients of modified Borwein's method. Glasnik Matematički. Ser.III, Zgreb : Hrvatsko Matematicko Drustvo. 54(1), 1-9. ISSN: 0017-095X. DOI: 10.3336/gm.54.1.01
- Belovas, I. (2019). An inequality for the Selberg zeta-function, associated to the compact Riemann surface. Analele Stiintifice Ale Universitatii Ovidius Constanta-Seria Matematica: Ovidius University Press, 27(3), 37-44. ISSN: 1224-1784; eISSN: 1844-0835. DOI: 10.2478/auom-2019-0032
- Belovas, I. (2019). A central limit theorem for coefficients of the modified Borwein method for the calculation of the Riemann zeta-function. Lithuanian Mathematical Journal. 59(1), 17-23. ISSN: 0363-1672; eISSN: 1573-8825; DOI: 10.1007/s10986-019-09421-4
- Belovas, I., Sakalauskas, L. (2019). An inequality for the modulus of the ratio of two complex gamma functions. Miskolc Mathematical Notes. Miskolc: University of Miskolc, 20(1), 115-130. ISSN: 1787-2405; eISSN: 1787-2413; DOI: 10.18514/MMN.2019.2543
- Belovas, I. (2019). Modeling Baltic market indices: A comparison of models. Computer Data Analysis and Modeling: Stochastics and Data Science : Proceedings of the XII International Conference, Minsk, September 18-22, 2019, 144-147. ISBN: 9789855668115
- Belovas, I. (2019). Lokalinės ribinės teoremos Borveino algoritmo koeficientams įrodymas santykio metodu. Lietuvos Matematikos Rinkinys. Lietuvos matematikų draugijos Darbai, Ser.B, 60, 11-14. ISSN:0132-2818; eISSN: 2335-898X; DOI: 10.15388/LMR.B.2019.15208
- Belovas, I. (2019). Baltijos šalių akcijų lyginamojo indekso OMX Baltic Benchmark modelių tyrimas. Lietuvos Matematikos Rinkinys. Lietuvos matematikų draugijos Darbai, Ser. B, 60, 6-10. ISSN: 0132-2818; eISSN: 2335-898X; DOI: 10.15388/LMR.B.2019.15207
Principal scientific projects
- 2023: "Efficient algorithms for visualization of Mandelbulbs associated with the Riemann zeta function" (LRC project Nr. P-SV-23-9; Supervisor);
- 2012: „Parallel algorithms for the calculations of zeta-functions“ (CINECA, Casalecchio di Reno, Bologna; Head of the project);
- 2012: „The mixed-stable modeling of high-frequency financial data: parallel computing approach“ (CINECA, Casalecchio di Reno, Bologna; Researcher);
- 2010: „Limit theorems for the Riemann zeta-function and Dirichlet L-functions: computer simulation“ (CINECA, Casalecchio di Reno, Bologna; Head of the project);
- 2010: „Mixed-stable models for analyzing high-frequency financial data“ (Institute of Economic Theory and Statistics, Karlsruhe Institue of Technology; Researcher);
- 2010: „Parallel computing in estimation of parameters of alpha-stable distribution“ (CINECA, Casalecchio di Reno, Bologna; Researcher).
PhD Supervision
- Subject:
- Period of study: 1st October 2024–30th September 2028
- Science field: Informatics (N 009)
- The title of Thesis: Efficient algorithms for the calculation of zeta functions
- Defended: –
Scientific supervisor of PhD student:
- Subject:
- Period of study: 1st October 2022–30th September 2026
- Science field: Informatics (N 009)
- The title of Thesis: Stock price forecasting and investment portfolio formation using machine learning algorithms
- Defended: –
- Subject:
- Period of study: 1st October 2021–30th September 2025
- Science field: Informatics (N 009)
- The title of Thesis: Recognising the Contents in Digitised Structured Documents
- Defended: –
- Subject:
- Period of study: 1st October 2018–30th September 2026 (since 1st October 2023)
- Science field: Informatics (N 009)
- The title of Thesis: Speeding up Blockchains Using Non-Random Transactions
- Defended: –
Co-supervisor of PhD student:
- Liudas Ališauskas "Artificial intelligence methods for network intrusion detection systems" (2016-2021).
- Member of Defence Council: 8 times;
- Opponent: 1 time;
- Reviewer: 11 times.