List of Publications
Stage 1
- Dembinska, A., Nikolov, N. I., Stoimenova, E. (2021). Reliability properties of k-out-of-n systems with one cold standby unit. Journal of Computational and Applied Mathematics, 388, 113289. IF:4.115, Q1
- Zaevski, T. (2020). Discounted perpetual game put options. Chaos, Solitons &Fractals, 137:109858. IF: 3.764, Q1
- Zaevski, T. (2020). Perpetual game options with a multiplied penalty. Communications in Nonlinear Science and Numerical Simulation, 85:105248. IF: 4.115, Q1
- Zaevski, T. (2020). Laplace transforms for the first hitting time of a Brownian motion. Comptes rendus de l'Acad emie bulgare des Sciences, 73(7):934-941. IF:0.343, Q4
- Zaevski, T. (2021). Laplace transforms of the Brownian motion's _rst exit from a strip. Comptes rendus de l'Acad emie bulgare des Sciences, 74(5):669-676. IF:0.343, Q4
- Zaevski, T. (2021). A new approach for pricing discounted American options. Communications in Nonlinear Science and Numerical Simulation, 97:105752. IF: 4.26, Q1
- Kounchev, O., & Render, H. (2021). Error estimates for interpolation with piecewise exponential splines of order two and four. Journal of Computational and Applied Mathematics, 391, 113464.
- Ognyan Kounchev, Hermann Render, L1-error Bounds for Interpolation with Piecewise Exponential Splines of Order Two and Four, Comptes rendus de l'Academie bulgare des Sciences, Tome 73, No 12, 2020
- Kounchev, O., Render, H., & Tsachev, T. (2020). On a class of L-splines of order 4: fast algorithms for interpolation and smoothing. BIT Numerical Mathematics, 1-21.
- Kounchev, O., Simeonov, G., & Kuncheva, Z. (2021). Estimation of the duration of Covid-19 epidemic in a single country, with or without vaccinations. The case of Bulgaria and Germany. Comptes Rendus de L'Academie Bulgare des Sciences, 74(5).
- Nikolov N.I., Stoimenova E. (2021) Rank Data Clustering Based on Lee Distance. In: Georgiev I., Kostadinov H., Lilkova E. (eds) Advanced Computing in Industrial Mathematics. Studies in Computational Intelligence, vol 961. Springer, Cham. SJR: 0.19, Q4 https://doi.org/10.1007/978-3-030-71616-5_27
- Angelov S., Stoimenova E. (2021) Cross-Validated Sequentially Constructed Multiple Regression with Centered Predictors. In: Georgiev I., Kostadinov H., Lilkova E. (eds) Advanced Computing in Industrial Mathematics. BGSIAM 2018. Studies in Computational Intelligence, vol 961. Springer, Cham. SJR: 0.19, Q4 https://doi.org/10.1007/978-3-030-71616-5_2
- Kounchev, O., Simeonov, G., & Kuncheva, Z. (2021). Scenarios for the spread of COVID-19 analyzed by the TVBG_SEIR spline model. Biomath, 10(1), 17. SJR:0.25
- Srebrov, B., Kounchev, O., & Simeonov, G. (2020). Big Data for the Magnetic Field Variations in Solar-Terrestrial Physics and Their Wavelet Analysis. In Knowledge Discovery in Big Data from Astronomy and Earth Observation (pp. 347-370). Elsevier.
- Kounchev, O., Simeonov, G., & Kuncheva, Z. (2021). How Long 'Lockdowns' Are Needed to End the COVID-19 Epidemic in a Single Country, with or without Vaccinations. Electronic: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3766521 ,
- L. Mutafchiev. The limiting distribution of the hook length of a randomly chosen cell in a random Young diagram. To appear in: Proceedings of the Stekolv Mathematical Institute, a volume dedicated to the 75th anniversary of A. M. Zubkov and and the 70th anniversary of V. A. Vatutin.
Stage 2
-
Kounchev, O., Render, H., & Tsachev, T. (2022, February). L-spline interpolation for differential operators of order 4 with constant coefficients. In Proceedings of the Bulgarian Academy of Sciences (Vol. 75, No. 1, pp. 11-18).IF: 0.3; квартил: Q3 Линк: https://proceedings.bas.bg/index.php/cr/article/view/2
- Kounchev, O., & Render, H. (2021). Error estimates for interpolation with piecewise exponential splines of order two and four. Journal of Computational and Applied Mathematics, 391, 113464. IF: 2.4; квартил: Q1 Линк: https://doi.org/10.1016/j.cam.2021.113464
- Kounchev, O., Render, H., & Tsachev, T. (2023). Fast algorithms for interpolation with L-splines for differential operators L of order 4 with constant coefficients. Journal of Computational and Applied Mathematics, 422, 114898. IF: 2.4; квартил: Q1 Линк: https://doi.org/10.1016/j.cam.2022.114898
- Kounchev, O., Boyadzhiev, G., Simeonov, G., Kunchev, M., & Kuncheva, Z. (2023, June). Implementation of Hidden Infections in the SEIR Model Analysis of the Omicron Variant Spread in Bulgaria. In Proceedings of the Bulgarian Academy of Sciences (Vol. 76, No. 6, pp. 953-961). IF: 0.3; квартил: Q3 Линк: https://doi.org/10.7546/CRABS.2023.06.16
- Kounchev, O., Boyadzhiev, G., Simeonov, G., Kunchev, M., & Kuncheva, Z. (2023, January). SEIR Model Analysis of the Omicron Variant Spread in Bulgaria–an Empirical Study. In Proceedings of the Bulgarian Academy of Sciences (Vol. 76, No. 1, pp. 114-119). IF: 0.3; квартил: Q3 Линк: https://doi.org/10.7546/CRABS.2023.01.12
- Zaevski, T. S. (2021). A new approach for pricing discounted American options. Communications in Nonlinear Science and Numerical Simulation, 97, 105752. IF: 3.9; квартил: Q1 Линк: https://doi.org/10.1016/j.cnsns.2021.105752
- Zaevski, Ts.. Pricing cancellable American put options on the finite time horizon. Journal of Futures Markets, 42, 7, John Wiley and Sons Inc, 2022, ISSN:0270-7314 (Print), 1096-9934 (Online), DOI:10.1002/fut.22331, 1284-1303., JCR-IF (Web of Science):1.948 Q1
- Zaevski, T. S. (2022). Pricing discounted American capped options. Chaos, Solitons & Fractals, 156, 111833. IF: 4.115, Q1 Линк:https://doi.org/10.1016/j.chaos.2022.111833
- Zaevski T. S.. Laplace Transforms of the Brownian Motion’s Fists Exit from a Strip. Comptes rendus de l’Académie bulgare des Sciences, 74, 5, „Prof. Marin Drinov“ Publishing House of Bulgarian Academy of Sciences, 2021, ISSN:1310–1331 (Print), 2367–5535 (Online), DOI:10.7546/CRABS.2021.05.0, 669-676, JCR-IF (Web of Science):0.326 Q3
- Zaevski, T., & Kyurkchiev, N. (2022, October). Some notes on the four-parameter Kies distribution. In Proceedings of the Bulgarian Academy of Sciences (Vol. 75, No. 10, pp. 1403-1409). IF: 0.3; квартил: Q3 Линк: https://doi.org/10.7546/CRABS.2022.10.01
- Zaevski, T., Kyurkchiev, N.. On some composite Kies families: distributional properties and saturation in Hausdorff sense. Modern Stochastics: Theory and Applications, 10, 3, VTeX, 2023, ISSN:2351-6054, DOI:10.15559/23-VMSTA227, 287-312. SJR (Scopus):0.284, JCR-IF (Web of Science):0.378 Q3 (Scopus)
- Zaemdzhikova, G., & Zaevski, T. (2023, May). The Effect of Temperature on Flight Initiation of Pine Processionary Moth in Bulgaria. In Proceedings of the Bulgarian Academy of Sciences (Vol. 76, No. 5, pp. 722-734). IF: 0.3; квартил: Q3 Линк: https://doi.org/10.7546/CRABS.2023.05.08
- Zaevski, Ts.. American strangle options with arbitrary strikes. Journal of Futures Markets, 43, Wiley, 2023, ISSN:1096-9934, DOI:https://doi.org/10.1002/fut.22419, 880-903. SJR (Scopus):0.724, JCR-IF (Web of Science):1.9 Q1
- Zaevski, T. S., & Nedeltchev, D. C. (2023). From BASEL III to BASEL IV and beyond: Expected shortfall and expectile risk measures. International Review of Financial Analysis, 87, 102645. SJR: 1.88; квартил: Q1 Линк: https://doi.org/10.1016/j.irfa.2023.102645
- Mutafchiev, L. R. (2022). The Limiting Distribution of the Hook Length of a Randomly Chosen Cell in a Random Young Diagram. Proceedings of the Steklov Institute of Mathematics, 316(1), 268-279. IF 0.5
- Mutafchiev, L. Large parts of random plane partitions: a Poisson limit theorems. Australasian Journal of Combinatorics, 2022, 82(3), pp. 297–316, SJR 0.62, Q2 https://doi.org/10.1134/S0081543822010199
- Kyurkchiev, N., & Zaevski, T. (2023). On a hypothetical oscillator: investigations in the light of the Melnikov’s approach, some simulations. International Journal of Differential Equations and Applications, 22(1), 67-79. ). SJR: 0.14; квартил: Q4 Линк: https://ijpam.eu/en/index.php/ijdea/article/view/6036/307
- . Tsachev, T., & Vassileva, I. (2023). Fiscal policy options for reducing informality in an economy with fiscal rules. Serdica Mathematical Journal, 49(1–3), 205-230.
- Kounchev, O., & Render, H. (2022). A Fourier series approach to cubature formulas for integrals on the disk witha non-smooth weight function. Research Square,Dublin
- Kounchev, O., Render, H., & Tsachev, T. (2022). Error estimates for harmonic and biharmonic interpolation splines with annular geometry. arXiv preprint arXiv:2201.05521.
HOME
| PARTICIPANTS | EVENTS
| PUBLICATIONS | PRESENTATIONS
|ABOUT |