​Научни публикации за 2024 г.

1. Koleva, M.N.; Vulkov, L.G. Numerical Reconstruction of Time-Dependent Boundary Conditions to 2D Heat Equation on Disjoint Rectangles at Integral Observations. Mathematics 2024, 12, 1499. https://doi.org/10.3390/math12101499
ИФ: 2.3, Q1, WoS

2. Koleva, M.N.; Vulkov, L.G. Numerical Recovering of Space-Dependent Sources in Hyperbolic Transmission Problems. Mathematics 2024, 12, 1748. https://doi.org/10.3390/math12111748
ИФ: 2.3, Q1, WoS

3. Koleva, M.N.; Vulkov, L.G. Inverse Boundary Conditions Interface Problems for the Heat Equation with Cylindrical Symmetry. Symmetry 2024, 16, 1065. https://doi.org/10.3390/sym16081065
ИФ: 2.2, Q2, WoS

4. Dimitrov, N.D.; Jonnalagadda, J.M. Existence and Nonexistence Results for a Fourth-Order Boundary Value Problem with Sign-Changing Green's Function. Mathematics 2024, 12, 2456. https://doi.org/10.3390/math12162456
ИФ: 2.3, Q1, WoS

5. Dimitrov, N.D.; Jonnalagadda, J.M. Existence of Three Positive Solutions for Boundary Value Problem of Fourth Order with Sign-Changing Green's Function. Symmetry 2024, 16, 1321. https://doi.org/10.3390/sym16101321
ИФ: 2.2, Q2, WoS

6. Koleva, M.N.; Vulkov, L.G. Positive Fitted Finite Volume Method for Semilinear Parabolic Systems on Unbounded Domain. Axioms 2024, 13, 507. https://doi.org/10.3390/axioms13080507
ИФ: 1.9, Q1, WoS

7. Koleva, M.N.; Vulkov, L.G. Numerical Solution of External Boundary Conditions Inverse Multilayer Diffusion Problems. Symmetry 2024, 16, 1396. https://doi.org/10.3390/sym16101396
ИФ: 2.2, Q1, WoS

8. Koleva, M.N.; Vulkov, L.G. Identification of Boundary Conditions in a Spherical Heat Conduction Transmission Problem. Symmetry 2024, 16, 1507.  https://doi.org/10.3390/sym16111507
ИФ: 2.2, Q1, WoS

9. Kandilarov, J.D.; Vulkov, L.G. Numerical Algorithms for Identification of Convection Coefficient and Source in a Magnetohydrodynamics Flow. Algorithms 2024, 17, 387. https://doi.org/10.3390/a17090387
ИФ: 1.8, Q2, WoS

10. Dimitrov, N.D.; Jonnalagadda, J.M. Existence, Uniqueness, and Stability of Solutions for Nabla Fractional Difference Equations. Fractal Fract. 2024, 8, 591. https://doi.org/10.3390/fractalfract8100591
ИФ: 3.6, Q1, WoS

11. Dimitrov, N.D., Jonnalagadda, J.M. Multiplicity and Stability of Positive Solutions for a Fourth-Order Three-Point BVP with Sign-Changing Green's Function. Mediterr. J. Math. 21, 193 (2024). https://doi.org/10.1007/s00009-024-02737-7
ИФ: 1.1, Q1, WoS

12. Koleva, M.N.; Vulkov, L.G. A Galerkin Finite Element Method for the Reconstruction of a Time-Dependent Convection Coefficient and Source in a 1D Model of Magnetohydrodynamics. Appl. Sci. 2024, 14, 5949. https://doi.org/10.3390/app14135949
ИФ: 2.5, Q2, WoS

13. Sapundzhi, F.; Chikalov, A.; Georgiev, S.; Georgiev, I. Predictive Modeling of Photovoltaic Energy Yield Using an ARIMA Approach. Appl. Sci. 2024, 14, 11192. https://doi.org/10.3390/app142311192
ИФ: 2.5, Q2, WoS

14. Todorov, V., Georgiev, S., Georgiev, I., Traneva, V., Tranev, S. (2024). Multidimensional Air Pollution Sensitivity Analysis for Intelligent Decision Modeling by Means of Quasi-Monte Carlo Sequences. In: Kahraman, C., Cevik Onar  et al. (eds) Intelligent and Fuzzy Systems. INFUS 2024. Lecture Notes in Networks and Systems, vol 1090. Springer, Cham. https://doi.org/10.1007/978-3-031-67192-0_36
SJR rank: 0.175, WoS

15. Georgiev, I., Todorov, V., Georgiev, S., Traneva, V., Tranev, S. (2024). Intelligent Monte Carlo Approach for Solving Multidimensional Fredholm Integral Equations. In: Kahraman, C., Cevik Onar et al. (eds) Intelligent and Fuzzy Systems. INFUS 2024. Lecture Notes in Networks and Systems, vol 1090. Springer, Cham. https://doi.org/10.1007/978-3-031-67192-0_35
SJR rank: 0.175, WoS

16. Beloeva, S., Venelinova, N., (2024). Conceptual model of training in remote virtual supervision in social work. „Стратегии на образователната и научната политика", 5s, 64-76, doi: 10.53656/str2024-5s-6-con.
ИФ: 0.4, Q4, WoS

17. Dorokhova, L., Beloeva, S., Venelinova, N., Dorokhov, O. (2024). Consumer service modelling: the study of buyer's queues in pharmacies.// Access to science, business, innovation in digital economy, 2024, No 5, pp. 511-525, ISSN 2683-1007 (online) https://journal.access-bg.org/issue-5-3-2024/consumer_service_modeling-the_study_of_buyers_queues_in_pharmacies
ИФ: 0.8, Q3, WoS

18. Stoycheva, B., P. Vitliemov (2024). Challanges of using artificial intelligence in management decision making Strategies for Policy in Science and Education, vol32 num 3s, 42-51, doi: 10.53656/str2024-3-2-cha
ИФ: 0.4, Q4, WoS

19. Pavlov, D., M. Tamasila, A. Todorova, J. Murzina (2024). Family Businesses and Green Transformation - Attitudes and Opportunities for the Development of Sustainable Intergenerational Businesses 9th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE), 0-6, doi: 10.1109/EEAE60309.2024.10600633
WoS

20. Todorova, A., I. Kostadinova (2024). The Role of Environmental Non-Governmental Organizations in Achieving Energy Efficiency 9th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE), 1-6, doi: 10.1109/EEAE60309.2024.10600577
WoS

21. Kotsev. E., S. Kunev (2024). Energy Efficiency-oriented Entrepreneurship or Entrepreneurship-oriented Energy Efficiency Initiatives: A Future Experts' Perspective 9th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE), 27 - 29 June, 2024, Ruse, Bulgaria,  1-5, doi: 10.1109/EEAE60309.2024.10600501
WoS

22. Antonova, D., S. Beloeva, A. Todorova. (2024). The Dual Impact оf Artificial Intelligence: Catalyst for Innovation or Threat to Stability. Сп. „Стратегии на образователната и научната политика", книжка 6/2024, година XXXII. https://doi.org/10.53656/str2024-6s-4-dua
ИФ: 0.4, Q4,  WoS

23. Todorova, А., I. Kostadinova, D. Antonova, S. Ruskova. (2024). Artificial Intelligence Against Climate Change Challenges: From Research to Action Towards a More Sustainable Future. 8th "International Symposium on Multidisciplinary Studies and Innovative Technologies", https://ieeexplore.ieee.org/document/10757195
WoS

Научни публикации за 2025 г.

1. Georgiev, I., L. Vulkov, Springer, Computational reconstruction of the volatility term structure in the general Hull–White model, Computation 2025, 13, 16. https://doi.org/10.3390/computation13010016
ИФ: 1.9, Q2, WoS

2. Koleva, M.N.; L.G. Vulkov,  The numerical solution of an inverse pseudoparabolic problem with a boundary integral observation. Mathematics 2025, 13, 908. https://doi.org/10.3390/math13060908
ИФ: 2.3, Q1, WoS

3. Dimitrov, N.D.,  J.M. Jonnalagadda, Existence of positive solutions for a class of nabla fractional boundary value problems. Fractal Fract. 2025, 9, 131. https://doi.org/10.3390/fractalfract9020131
ИФ: 3.6, Q1, WoS

4. Koleva, M.N.; L.G. Vulkov, High-order approximations for a pseudoparabolic equation of turbulent mass-transfer diffusion. Axioms 2025, 14, 319. https://doi.org/10.3390/axioms14040319
ИФ: 1.9, Q1, WoS

5. Todorova, A., Kostadinova, I., Venelinova, N. (2024). Empathy as a driver of social entrepreneurship: insights from the Bulgarian context, Entrepreneurship and Sustainability Issues 12(2): 71-84. https://doi.org/10.9770/n4955682927
ИФ: 1.2, Q4, WoS

6. Georgieva-Tsaneva, G., Serbezova, I., & Beloeva, S. (2025). Application of Virtual Reality, Artificial Intelligence, and Other Innovative Technologies in Healthcare Education (Nursing and Midwifery Specialties): Challenges and Strategies. Education Sciences, 15(1), 11. https://doi.org/10.3390/educsci15010011
ИФ: 2.3, WoS

7. Todorova, A., Kostadinova, I. (2025). Volunteer motives as a catalyst of the social economy, Entrepreneurship and Sustainability Issues 12(3): 118-138. https://doi.org/10.9770/w9385223236
ИФ: 1.2, Q4, WoS

8. Kostadinova, I., Todorova, A., Ruskova, S., Tomovska Misoska, A., Letonja, M., & Tomljanović, M. (2025). Sustainability and the Circular Economy through the Eyes of Students: A Comparative Analysis among Bulgaria, North Macedonia, Slovenia and Croatia. European Journal of Sustainable Development, 14(1), 1. https://doi.org/10.14207/ejsd.2025.v14n1p1
WoS

9. Dorokhov, O.; Beloeva, S., Venelinova, N., Yermolenko, O. (2025). Age-supportive human-resource policies analysis based on the CRANET database. Access to science, business, innovation in digital economy, ACCESS Press, 6(2), 382-399, https://doi.org/10.46656/access.2025.6.2(8)
ИФ: 0.8,  WoS