Svilen Sabchevski | Dynamical Systems | Best Researcher Award

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Prof. Svilen Sabchevski | Dynamical Systems | Best Researcher Award

Head of Laboratory Plasma Physics and Engineering at Institute of Electronics of the Bulgarian Academy of Sciences, Bulgaria

Prof. Svilen Sabchevski 🎓, Associate Professor and Head of Laboratory at the Institute of Electronics, Bulgarian Academy of Sciences 🇧🇬, is a globally recognized expert in physical electronics, plasma physics, and terahertz (THz) science 🌐⚡. With a PhD in Physics and an MSc in Electronic Engineering (summa cum laude) 🧪📘, he has authored over 110 publications, including high-impact journal articles, book chapters, and patents 📚🔬. His pioneering research in gyrotron technologies supports applications in nuclear fusion, advanced spectroscopy, and medical imaging 🚀🏥. With 2,000+ citations and an h-index of 25 📈, Prof. Sabchevski leads major international collaborations across Europe and Asia. As a scientific editor, project coordinator, and THz technology advocate, he stands as a leading force in computational modeling and high-power electron-beam systems 💡👨‍🔬.

Professional Profile 

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🎓 Education

Prof. Svilen Sabchevski holds an MSc in Electronic Engineering (Electron Devices) from St. Petersburg State Electrotechnical University, graduating summa cum laude 🏅. He earned his Ph.D. in Physics from the Institute of Electronics at the Bulgarian Academy of Sciences (IE-BAS) in 1991 🧪. His academic foundation is deeply rooted in electron-device physics, laying the groundwork for his impactful research in plasma and physical electronics. His education combined rigorous theoretical grounding with strong applied engineering expertise, shaping his future trajectory in high-frequency radiation systems, gyrotrons, and THz technology ⚙️📡. This elite academic background has empowered him to lead complex research projects, engage in international collaborations, and contribute transformative work to the field of computational and experimental electron-beam physics 🌍🧠.

🏢 Professional Experience

Prof. Sabchevski is currently Head of the Plasma Physics and Engineering Laboratory at IE-BAS 🏛️, where he leads advanced research in gyrotron development, electron optics, and THz radiation. Over the past five years, he has served as visiting professor and scientist in prestigious institutions across Japan 🇯🇵, Germany 🇩🇪, and Switzerland 🇨🇭, collaborating on next-generation electron-beam technologies. His leadership roles in bilateral and global research initiatives, including the International Consortium for High-Power THz Science & Technology, have established him as a leading innovator in the field 🚀🌐. With more than three decades of experience in physical modeling, software development, and experimental science, Prof. Sabchevski blends academic depth with engineering prowess to pioneer cutting-edge solutions in applied radiophysics and nuclear fusion systems ⚡👨‍🔬.

🔬 Research Interest

Prof. Sabchevski’s research is centered on physical electronics, intense electron beams, and terahertz (THz) science 🔬📡. He specializes in the development of gyrotrons for controlled thermonuclear fusion reactors, advanced diagnostics, and high-resolution imaging systems for technological and medical use 🧲💉. Additional areas include computational physics, CAD-based system optimization, and nonlinear dynamics of high-power electron-optical devices. He has significantly contributed to the understanding of mode interaction in gyro-devices and the generation of coherent THz radiation, crucial for spectroscopy and plasma heating 💥📈. His expertise also spans peniotron technologies and ECR-based microwave sources. By integrating theory, simulation, and practical experimentation, Prof. Sabchevski leads groundbreaking research with global scientific and industrial impact 🌍💡.

🏅 Awards and Honors

Prof. Sabchevski has earned widespread acclaim for his research excellence, international collaborations, and contributions to scientific communities 🎖️🌟. He serves on the editorial boards of prestigious journals such as Journal of Infrared, Millimeter, and Terahertz Waves (Springer) and Advances in Modern Oncology Research 📘🖋️. As editor of the International THz Consortium Newsletter and website, he has championed global efforts to advance THz science and technology. His research has been recognized in Bulgaria and internationally, including funding and leadership in bilateral projects with France and Japan 🧭🇫🇷🇯🇵. With over 2,000 citations and an H-index of 25, his scientific influence continues to grow. His dedication and visionary leadership make him a true ambassador of high-power THz technology and academic excellence 🔭💫.

🛠️ Research Skills

Prof. Sabchevski brings a rare combination of theoretical expertise, software development, and hands-on experimental capability 🔍🧮. He is a specialist in simulation-driven research, developing custom software packages for modeling electron beams, gyrotrons, and THz systems. His skillset includes electromagnetic theory, nonlinear wave interaction, CAD optimization, and plasma diagnostic techniques 📡🛠️. He excels in both frequency- and time-domain analysis of complex systems and is highly experienced with international research protocols and large-scale scientific instrumentation ⚙️🧪. His ability to conceptualize, simulate, and validate gyro-devices places him among the leading figures in modern terahertz science. These interdisciplinary strengths have enabled him to work on frontier applications in fusion energy, spectroscopy, and biomedical imaging 🌐📊.

📝Publications Top Note

  • Title: Development and applications of high-frequency gyrotrons in FIR FU covering the sub-THz to THz range
    Authors: T. Idehara, S.P. Sabchevski
    Year: 2012
    Citations: 122
    Source: Journal of Infrared, Millimeter, and Terahertz Waves, 33(7), 667–694

  • Title: A high harmonic gyrotron with an axis-encircling electron beam and a permanent magnet
    Authors: T. Idehara, I. Ogawa, S. Mitsudo, Y. Iwata, S. Watanabe, Y. Itakura, K. Ohashi, S.P. Sabchevski, et al.
    Year: 2004
    Citations: 121
    Source: IEEE Transactions on Plasma Science, 32(3), 903–909

  • Title: Development of THz gyrotrons at IAP RAS and FIR UF and their applications in physical research and high-power THz technologies
    Authors: M.Y. Glyavin, T. Idehara, S.P. Sabchevski
    Year: 2015
    Citations: 120
    Source: IEEE Transactions on Terahertz Science and Technology, 5(5), 788–797

  • Title: Novel and emerging applications of the gyrotrons worldwide: Current status and prospects
    Authors: S. Sabchevski, M. Glyavin, S. Mitsudo, Y. Tatematsu, T. Idehara
    Year: 2021
    Citations: 115
    Source: Journal of Infrared, Millimeter, and Terahertz Waves, 42(7), 715–741

  • Title: The gyrotrons as promising radiation sources for THz sensing and imaging
    Authors: T. Idehara, S.P. Sabchevski, M. Glyavin, S. Mitsudo
    Year: 2020
    Citations: 102
    Source: Applied Sciences, 10(3), 980

  • Title: Direct observation of the hyperfine transition of ground-state positronium
    Authors: T. Yamazaki, A. Miyazaki, T. Suehara, T. Namba, S. Asai, T. Kobayashi, et al.
    Year: 2012
    Citations: 99
    Source: Physical Review Letters, 108(25), 253401

  • Title: Porous silica derived from sago waste and its application for SiO₂/C composites in aluminum-air batteries
    Authors: H. Aripin, S. Sutisna, E. Priatna, I.N. Sudiana, E. Surahman, S. Sabchevski
    Year: 2022
    Citations: 4
    Source: International Journal of Electrochemical Science, 17(12), 221221

  • Title: Modelling, simulation and CAD of gyrotrons for high-power terahertz science and technologies
    Authors: S. Sabchevski, T. Idehara, M. Damyanova, I. Zhelyazkov, E. Balabanova, et al.
    Year: 2018
    Citations: 4
    Source: Journal of Physics: Conference Series, 992(1), 012001

  • Title: Beam–wave interaction from FEL to CARM and associated scaling laws
    Authors: E. Di Palma, G. Dattoli, E. Sabia, S. Sabchevski, I. Spassovsky
    Year: 2017
    Citations: 4
    Source: IEEE Transactions on Electron Devices, 64(10), 4279–4286

  • Title: Current status of the development of the problem-oriented software package GYREOSS
    Authors: M. Damyanova, S. Sabchevski, I. Zhelyazkov, E. Vasileva, E. Balabanova, et al.
    Year: 2014
    Citations: 4
    Source: Journal of Physics: Conference Series, 514(1), 012056

🌍📈Conclusion

Prof. Svilen Sabchevski stands as a globally respected scientist and research leader in the realm of high-frequency electron-beam systems and terahertz technologies 🌍📈. With over 110 publications, 2,000+ citations, and an influential editorial and research presence, he exemplifies the qualities of a visionary academic and innovative engineer 📚👨‍🔬. His deep expertise, collaborative spirit, and commitment to advancing THz science across disciplines and continents make him an outstanding candidate for honors like the Best Researcher Award 🏆. Continuously contributing to scientific knowledge, mentoring emerging scholars, and solving global challenges through cutting-edge research, Prof. Sabchevski’s impact reaches far beyond borders—illuminating the future of radiophysics, fusion energy, and medical technology 🚀💡.

Ahmed Aberqi | Differential Equations | Best Researcher Award

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Prof. Ahmed Aberqi | Differential Equations | Best Researcher Award

Associate professor at Sidi Mohamed Ben Abdellah University/National School of Applied Sciences, Morocco

Prof. Ahmed Aberqi 🎓, a distinguished scholar at the National School of Applied Sciences of Fez, Morocco, specializes in nonlinear analysis, partial differential equations, optimal control, and fractional calculus. With a Ph.D. and habilitation in mathematics, his extensive academic portfolio includes impactful research publications 📚, guest editorships for renowned journals 📰, and leadership roles in applied sciences and emerging technologies 💡. As an educator, he has taught across diverse engineering and mathematics disciplines, nurturing future innovators 🧠. His contributions to AI and big data applications in smart systems underscore his commitment to interdisciplinary innovation 🤖📊. With expertise in high-dimensional statistics, operator theory, and control systems, Prof. Aberqi exemplifies excellence in mathematical research and applied science integration 🌐🔬.

Professional Profile

Education 🎓

Prof. Ahmed Aberqi holds a Ph.D. in Mathematics and a Habilitation à Diriger des Recherches (HDR), affirming his high-level academic competence in guiding doctoral research. He completed his studies at prestigious institutions, where he built a strong foundation in nonlinear analysis, partial differential equations, and control theory. His education reflects a blend of rigorous training, deep theoretical knowledge, and applied mathematical insight. He consistently pursues academic growth through workshops, seminars, and international collaborations 📖🌍. His academic journey has been shaped by a commitment to excellence and an enduring passion for learning. These qualifications position him as a respected educator and researcher in both engineering and mathematics domains 🧠📐.

Professional Experience 💼

Prof. Ahmed Aberqi serves as a professor at the National School of Applied Sciences, Fez (Morocco), where he has taught numerous undergraduate and postgraduate courses in engineering mathematics, systems theory, and optimization 🏫📊. With a robust background in academic leadership, he has contributed to curriculum development and research supervision. He has also held editorial roles in scientific journals, coordinated multidisciplinary research projects, and participated in international conferences 🌐✍️. His extensive experience extends to mentoring doctoral students and collaborating with institutions worldwide. Prof. Aberqi’s professional path is marked by intellectual rigor, impactful contributions, and a forward-looking vision of integrating mathematics with real-world challenges 🔬🤝.

Research Interest 🔍

Prof. Aberqi’s research spans nonlinear analysis, optimal control, partial differential equations, and fractional calculus 🔢📉. His recent work explores artificial intelligence, big data analytics, and smart systems, revealing a strong inclination towards interdisciplinary applications of mathematics 🤖📊. He is particularly interested in dynamic systems governed by fractional operators, mathematical modeling, and stability analysis. His studies in high-dimensional statistics and operator theory have practical implications in modern engineering and technological advancements. He actively contributes to solving real-world problems using advanced mathematical tools, making his research relevant to today’s rapidly evolving scientific landscape 🌐📈. Through his work, he bridges theoretical mathematics with practical innovations.

Awards and Honors 🏅

Prof. Ahmed Aberqi has received multiple accolades in recognition of his academic and research achievements. His distinguished contributions to applied mathematics and control theory have earned him invitations to serve as a keynote speaker and guest editor in renowned international journals and conferences 🎤📘. He is honored for his interdisciplinary research, especially for integrating AI and smart technology into mathematical frameworks. His excellence in mentorship and scholarly publishing further solidifies his reputation as a thought leader in applied sciences 🧠🌟. These honors underscore his enduring influence in the global academic community and his commitment to mathematical advancement and innovation.

Research Skills 🧪

Prof. Aberqi exhibits outstanding proficiency in mathematical modeling, fractional differential equations, stability theory, and optimal control 🧮🔁. His technical toolkit includes numerical simulations, system identification, AI-based optimization algorithms, and data-driven problem solving 🤖📊. He is skilled in using computational platforms to test theoretical outcomes and extend mathematical theories to practical systems. His ability to lead collaborative research, write scholarly articles, and edit scientific content for high-impact journals highlights his organizational and analytical skills. His cross-disciplinary fluency empowers him to integrate advanced mathematics into engineering, physics, and data science domains seamlessly ⚙️📐. His research skills reflect depth, versatility, and innovation.

Publications Top Notes

  • Title: Blow-up and global existence for a new class of parabolic p(x,⋅)-Kirchhoff equation involving double phase operator
    Authors: A. Aberqi, P.D. Nguyen, A. Ouaziz, M.A. Ragusa
    Year: 2025
    Citations: 3
    Source: Journal of Mathematical Analysis and Applications, Vol. 542(2), Article 128807

  • Title: Infinitely many solutions to a Kirchhoff-type equation involving logarithmic nonlinearity via Morse’s theory
    Authors: A. Ouaziz, A. Aberqi
    Year: 2024
    Citations: 3
    Source: Boletín de la Sociedad Matemática Mexicana, Vol. 30(1), Article 10

  • Title: Existence and L∞-estimates for non-uniformly elliptic equations with non-polynomial growths
    Authors: O. Benslimane, A. Aberqi, M. Elmassoudi
    Year: 2023
    Citations: 3
    Source: Filomat, Vol. 37(16), pp. 5509–5522

  • Title: Existence results for some nonlinear degenerate problems in the anisotropic spaces
    Authors: M. Boukhrij, B. Aharrouch, J. Bennouna, A. Aberqi
    Year: 2021
    Citations: 3
    Source: Boletim da Sociedade Paranaense de Matemática, Vol. 39, pp. 53–66

  • Title: Non-uniformly degenerated parabolic equations with L1-data
    Authors: A. Aberqi, J. Bennouna, M. Hammoumi
    Year: 2019
    Citations: 3
    Source: AIP Conference Proceedings, Vol. 2074(1)

  • Title: On some nonlinear hyperbolic p(x,t)-Laplacian equations
    Authors: T. Ahmedatt, A. Aberqi, A. Touzani, C. Yazough
    Year: 2018
    Citations: 3
    Source: Journal of Applied Analysis, Vol. 24(1), pp. 55–69

  • Title: Nonlinear elliptic equations with measure data in Orlicz spaces
    Authors: A. Aberqi, J. Bennouna, M. Elmassoudi
    Citations: 3

  • Title: Singular fractional double-phase problems with variable exponent via Morse’s theory
    Authors: A. Ouaziz, A. Aberqi
    Year: 2024
    Citations: 2
    Source: Filomat, Vol. 38(21), pp. 7579–7595

  • Title: On some doubly nonlinear system in inhomogeneous Orlicz spaces
    Authors: A. Aberqi, J. Bennouna, M. Elmassoudi
    Year: 2018
    Citations: 2
    Source: Electronic Journal of Mathematical Analysis and Applications, Vol. 6(1), pp. 156–173

  • Title: Infinitely Many Solutions to the Neumann Problem for Elliptic systems in Anisotropic Variable Exponent Sobolev Spaces
    Authors: A. Ahmed, M.S.B.E. Vall, A. Touzani, A. Benkirane
    Year: 2017
    Citations: 2
    Source: Marrocain Journal of Pure and Applied Analysis, Vol. 3, pp. 70–82

  • Title: Existence result for a class of doubly nonlinear parabolic systems
    Authors: A. Aberqi, J. Bennouna, H. Redwane
    Year: 2014
    Citations: 2
    Source: Applied Mathematics (Warsaw), pp. 1–11

  • Title: Approximate controllability of fractional differential systems with nonlocal conditions of order q∈(1, 2) in Banach spaces
    Authors: Z. Ech-chaffani, A. Aberqi, T. Karite
    Year: 2024
    Citations: 1

  • Title: Singular fractional double-phase problems with variable exponent via Morse’s theory
    Authors: A. Aberqi, A. Ouaziz
    Year: 2023
    Citations: 1
    Source: arXiv

  • Title: Stabilization of semilinear systems in Banach space
    Authors: A. El Alami, Z. Echchaffani, A. Aberqi
    Year: 2023
    Citations: 1
    Source: Honored Guests, p. 81

  • Title: Discrete solution for a nonlinear parabolic equation with diffusion terms in Musielak spaces
    Authors: A. Aberqi, M. Elmassoudi, M. Hammoumi
    Year: 2021
    Citations: 1
    Source: arXiv

  • Title: Sub-supersolution method for nonlinear elliptic equations with non-coercivity in divergent form in Orlicz spaces
    Authors: A. Ahmed, B. Jaouad, E. Mhamed
    Year: 2019
    Citations: 1
    Source: AIP Conference Proceedings, Vol. 2074(1)

  • Title: Controllability for impulsive neutral semilinear evolution systems with nonlocal conditions
    Authors: A. Aberqi, Z. Ech-chaffani, T. Karite
    Year: 2025
    Source: Journal of Dynamics and Games

  • Title: Blow-up and global existence of solutions for a new class of parabolic Kirchhoff equation involving nonlinearity logarithmic
    Authors: A. Aberqi, A. Ouaziz
    Year: 2025
    Source: Journal of Pseudo-Differential Operators and Applications, Vol. 16(1), pp. 1–33

  • Title: Investigation into double-phase elliptic problems with boundary conditions, incorporating a logarithmic convection term
    Authors: A. El Ouardani, A. Aberqi, O. Benslimane, M. El Massoudi
    Year: 2025
    Source: Journal of Pseudo-Differential Operators and Applications, Vol. 16(1), pp. 1–21

  • Title: On Neumann Systems with Singularity Applied in Quenching Phenomena in Musielak Spaces
    Authors: A. Elouardani, A. Aberqi, M. Elmassoudi
    Year: 2025
    Source: Nonlinear Dynamics & Systems Theory, Vol. 25(1)

  • Title: Double Phases Problems: Insight and new trends
    Authors: A. Aberqi
    Year: 2024
    Source: 5th International Conference on Applied Mathematics, p. 112

  • Title: Approximate Controllability of Fractional Differential Systems with Nonlocal Conditions of Order
    Authors: A. Aberqi, Z. Ech-chaffani, T. Karite
    Year: 2024
    Source: arXiv (arXiv:2411.10766)

  • Title: Fractional Caputo Operator and Takagi–Sugeno Fuzzy Modeling to Diabetes Analysis
    Authors: E. Mustapha, E.O. Abdellatif, E.M. Karim, A. Ahmed
    Year: 2024
    Source: Symmetry, Vol. 16(10), Article 1395

  • Title: Double Phase Problem with Singularity and Homogeneous Choquard Type Term
    Authors: O. Benslimane, A. Aberqi, M. Elmassoudi
    Year: 2024
    Source: Journal of Applied Analysis & Computation, Vol. 14(4), pp. 2109–2124

  • Title: Approximate controllability of fractional differential systems with nonlocal conditions of order q∈(1, 2) in Banach spaces
    Authors: Z. Ech‐chaffani, A. Aberqi, T. Karite
    Year: 2024
    Source: Asian Journal of Control

Conclusion 🧭

Prof. Ahmed Aberqi stands as a visionary academic whose multifaceted expertise in mathematics, engineering, and technology drives impactful innovation 🌟📚. His scholarly contributions, teaching excellence, and research leadership collectively elevate the field of applied mathematics. From fractional calculus to AI integration, his work reflects a deep commitment to solving modern challenges through mathematical insight 🔬🤝. With a strong international presence, numerous publications, and mentorship roles, he continues to shape the next generation of scientists and engineers. Prof. Aberqi exemplifies academic rigor, collaborative spirit, and intellectual curiosity, making him a key contributor to contemporary mathematical science and interdisciplinary progress 🌐🎓.