Rowena Merkel | Mathematics | Young Scientist Award

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Mrs. Rowena Merkel | Mathematics | Young Scientist Award

University of Education Freiburg | Germany

Rowena Merkel, M.Ed., is an emerging scholar and Ph.D. candidate at the Pädagogische Hochschule Freiburg, Germany, specializing in mathematics didactics and cognitive learning research. Her academic journey reflects strong interdisciplinary training, having earned a Master of Education and a Bachelor’s degree in Mathematics and Spanish from the Albert-Ludwigs-Universität Freiburg. Currently pursuing her doctoral research in Psychology and Mathematics Didactics, Rowena focuses on understanding how digital modeling tools can foster effective cognitive learning processes in developing students’ conceptual understanding of fractions. She has served as an Academic Associate at the Pädagogische Hochschule Freiburg, where she contributed to advancing digital pedagogical innovations and teaching methodologies. Her research interests span mathematics education, cognitive engagement, digital learning environments, and instructional design in STEM education. Rowena’s recent publication, Learning Activities in a Dynamic Learning Environment to Foster a Basic Fraction Concept (International Journal of Science and Mathematics Education, 2025 cited by 7 articles*), exemplifies her contributions to developing research-based digital tools for mathematics instruction. Her academic achievements demonstrate a commitment to evidence-based education, blending theory and practice to enhance cognitive development through technology-enhanced learning. Through her innovative approach, Rowena Merkel aims to bridge psychology and pedagogy, making complex mathematical concepts accessible to diverse learners. Her work holds promise for shaping the future of mathematics education, positioning her as a dynamic and deserving nominee for the Young Scientist Award.

Profile: ORCID | LinkedIn

Featured Publications

Merkel, R., Leuders, T., Reinhold, F., & Loibl, K. (2025). Learning activities in a dynamic learning environment to foster a basic fraction concept. International Journal of Science and Mathematics Education. https://doi.org/10.1007/s10763-025-10602-6

Mubeen Tajudeen | Mathematics | Best Researcher Award

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Dr. Mubeen Tajudeen | Mathematics | Best Researcher Award

Dhanalakshmi Srinivasan University | India

Dr. Mubeen Tajudeen is a dedicated mathematician and academic researcher whose career reflects a deep commitment to advancing the field of applied mathematics. He currently serves as an Assistant Professor and Research Coordinator at Dhanalakshmi Srinivasan University, Tamil Nadu, India, where he plays a pivotal role in teaching, research, and academic leadership. Born with a strong curiosity for problem-solving and logical thinking, he pursued mathematics as both his passion and profession, steadily building an impressive academic and research portfolio. Over the course of his professional journey, he has worked across multiple institutions and research centers, contributing significantly to the advancement of control theory, dynamical systems, and cyber-physical system security. His achievements extend beyond research, as he has been actively involved in academic events, collaborations, and mentoring young scholars, making him a well-rounded academic leader.

Professional Profile

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Education

Dr. Mubeen Tajudeen has an outstanding academic background marked by consistent excellence in mathematics. He pursued undergraduate studies in mathematics, followed by a postgraduate degree in the same field, where he demonstrated remarkable aptitude for advanced problem-solving and theoretical applications. He continued his higher studies with an M.Phil. in Mathematics, specializing in fuzzy algebra, where he produced significant findings on classifications of algebraic structures and their applications. His academic journey culminated in a Ph.D. in Mathematics at Thiruvalluvar University, where his doctoral research focused on the stability analysis of event-triggered control in complex dynamical networks, especially in the context of cyber-attacks. His educational path not only strengthened his foundations in mathematics but also expanded his expertise in specialized areas such as fractional-order systems, fuzzy systems, and networked control models, laying the groundwork for his impactful research career.

Experience

Dr. Mubeen Tajudeen has accumulated extensive professional experience in teaching, research, and international collaborations. He began his research career as a Junior Research Fellow, where he actively engaged in projects on control systems and dynamical analysis. Later, he contributed as a Research Assistant and Senior Research Fellow at Thiruvalluvar University, securing a highly competitive fellowship for his contributions in advanced mathematics. His international exposure came through his tenure as a Visiting Postdoctoral Fellow at Maejo University, Thailand, where he collaborated with global experts in mathematical sciences. At present, he serves as an Assistant Professor and Research Coordinator at Dhanalakshmi Srinivasan University, where he oversees academic programs, coordinates research activities, and mentors young scholars. His overall experience spans nearly a decade, encompassing research, teaching, conference organization, and academic service, demonstrating his ability to bridge theory with practice in applied mathematics.

Research Interests

Dr. Mubeen Tajudeen’s research interests encompass a broad range of topics in applied mathematics, focusing primarily on modeling, analysis, and control of complex systems. His expertise includes fractional-order systems, event-triggered control, chaos theory, fuzzy logic, and secure communication in cyber-physical networks. A key part of his work addresses stability and synchronization in complex dynamical systems that are vulnerable to hybrid cyber-attacks, with applications in power systems, wind turbine systems, and networked control systems. His research also contributes to biomathematics, where he has developed models for studying the spread and control of diseases such as diabetes, HIV/AIDS, and COVID-19, integrating mathematics with biological and medical sciences. In addition, he explores security challenges in real-world systems, investigating denial of service attacks, replay attacks, deception-based strategies, and false data injections, thereby providing innovative solutions for safeguarding data and communications in modern technological infrastructures.

Awards

Throughout his academic journey, Dr. Mubeen Tajudeen has been recognized with several awards, fellowships, and distinctions that highlight his excellence in research. He was awarded a Senior Research Fellowship under the TURF program, a testament to his significant contributions during his doctoral studies. He has been invited to deliver presentations at national and international conferences hosted by prestigious institutions such as IITs, NITs, and globally renowned universities. His recognition extends beyond fellowships, as he has served as a reviewer for leading journals including IEEE Transactions, Soft Computing, Neurocomputing, Expert Systems with Applications, and Engineering Applications of Artificial Intelligence. Additionally, he has reviewed academic books, further showcasing his expertise in mathematics education. His leadership was also demonstrated when he served as the Organizing Secretary of an international conference on applied mathematics and emerging scientific trends, reflecting his commitment to building academic communities and promoting knowledge exchange.

Publications

Dr. Mubeen Tajudeen has published more than twenty high-quality research papers in SCI and Web of Science indexed journals, with several more under review or in communication. His publications span a wide range of topics, including event-triggered control, fuzzy systems, fractional-order networks, and cyber-attack modeling. Each of his works is well-cited and has contributed significantly to the global body of mathematical sciences. Some of his notable publications include:

Title: Asynchronous H∞ control for IT2 fuzzy networked system subject to hybrid attacks via improved event-triggered scheme
Journal: Information Sciences
Published on: 2024
Citation: 47

Title: Adaptive event‐triggered control for complex dynamical network with random coupling delay under stochastic deception attacks
Journal: Complexity
Published on: 2022
Citation: 25

Title: Adaptive event‐triggered pinning synchronization control for complex networks with random saturation subject to hybrid cyber‐attacks
Journal: International Journal of Adaptive Control and Signal Processing
Published on: 2023
Citation: 23

Title: Annular finite-time stability for IT2 fuzzy networked switched system via non-fragile AETS under multiple attacks: application to tank reactor chemical process model
Journal: Expert Systems with Applications
Published on: 2024
Citation: 22

Title: Security-guaranteed filter design for discrete-time Markovian jump delayed systems subject to deception attacks and sensor saturation
Journal: ISA Transactions
Published on: 2024
Citation: 21

Title: Event-triggered H∞ control of complex dynamical networks subject to stochastic cyber-attacks by new two-sided delay-dependent LKF functional
Journal: Journal of Control and Decision
Published on: 2024
Citation: 19

Title: Fault‐tolerant control of multi‐agent systems with input delay and sensor failure
Journal: Asian Journal of Control
Published on: 2023
Citation: 17

Conclusion

Dr. Mubeen Tajudeen’s professional journey reflects excellence in every dimension of academia education, research, teaching, and service. His contributions to applied mathematics, particularly in secure control, fuzzy systems, and dynamical networks, demonstrate innovation, originality, and practical impact. He has successfully bridged theoretical mathematics with real-world applications in engineering, power systems, cyber-security, and biomathematics. Beyond research, he has shown strong leadership as a mentor, conference organizer, and journal reviewer, further cementing his reputation as a dedicated scholar. With his outstanding achievements and growing influence in the global research community, Dr. Tajudeen is a highly deserving candidate for the Best Researcher Award, embodying both academic excellence and professional leadership.

Biswajit Sahu | Mathematics | Best Researcher Award

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Prof. Biswajit Sahu | Mathematics | Best Researcher Award

West Bengal State University | India

Prof. Biswajit Sahu is an eminent academician and researcher in the Department of Mathematics at West Bengal State University, India. His scholarly reputation is built upon his profound expertise in plasma dynamics, nonlinear wave propagation, and dynamical systems. With more than two decades of impactful teaching and research, he has become a cornerstone in the study of theoretical plasma physics, widely respected for his ability to bridge mathematical rigor with physical phenomena. He has guided doctoral scholars, collaborated with international institutions, and published extensively in highly reputed scientific journals, thereby shaping the global discourse in plasma research.

Professional Profile

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Education

Prof. Biswajit Sahu academic journey reflects a strong foundation in mathematics and its applications in physical sciences. He pursued his Master of Science in Applied Mathematics from the University of Calcutta, where he acquired advanced knowledge in mathematical modeling and analysis. He later obtained a Doctor of Philosophy in Science from Jadavpur University, where his research concentrated on the intricate behavior of nonlinear plasma waves. This academic background not only deepened his theoretical insight but also provided him with the analytical tools to contribute original findings in the interdisciplinary domain of plasma physics and dynamical systems.

Experience

Prof. Biswajit Sahu’s professional career has been marked by steady advancement in both teaching and research roles. He began as a Research Scholar at the Indian Statistical Institute, engaging in high-level theoretical studies, before taking up a teaching position at Dinhata College as Lecturer in Mathematics. He subsequently joined West Bengal State University, where his dedication and expertise elevated him through successive roles as Assistant Professor, Associate Professor, and ultimately Professor of Mathematics. His teaching spans diverse areas such as nonlinear differential equations, plasma dynamics, continuum mechanics, numerical analysis, and operations research. In parallel, he has successfully completed research projects, served as referee for international journals, and contributed as Review Editor for the section of Low-Temperature Plasma Physics in Frontiers in Physics.

Research Interest

Prof. Biswajit Sahu’s research interests lie at the intersection of applied mathematics and plasma physics. His core focus is on nonlinear wave dynamics in plasma, with particular emphasis on dust ion-acoustic waves, quantum plasmas, and dissipative structures in magnetized environments. He is also deeply interested in dynamical systems, nonlinear partial differential equations, and their applications in astrophysical and space plasmas. His work integrates advanced mathematical modeling with physical interpretation, shedding light on complex behaviors such as solitons, shocks, chaos, and wave modulations in multi-component plasma systems. These contributions have not only advanced theoretical understanding but also influenced practical insights into space physics and plasma-based technologies.

Awards

Prof. Biswajit Sahu has received several distinguished academic recognitions. He was awarded the Graduate Aptitude Test in Engineering (GATE) qualification, which marked his early excellence in mathematical sciences. His research potential was further recognized with the Research Fellowship Award from the Indian Statistical Institute. He also qualified the CSIR-UGC National Eligibility Test (NET), a highly competitive fellowship program in India, which provided him the platform to pursue advanced research in plasma dynamics. These awards stand as testimony to his academic brilliance and his long-standing contributions to mathematics and physics.

Publications

Prof. Biswajit Sahu has published more than forty peer-reviewed research articles in internationally reputed journals, many of which are frequently cited by other scholars working in nonlinear dynamics, space plasma, and astrophysical modeling. Selected publications include:

  • Head-on collision of ion acoustic solitary waves in an electron-positron-ion plasma with super thermal electrons
    Journal: Physics of Plasmas
    Published on: 2010
    Citation: 144

  • Quantum ion acoustic shock waves in planar and nonplanar geometry
    Journal: Physics of Plasmas
    Published on: 2007
    Citation: 105

  • Nonextensive dust acoustic solitary and shock waves in nonplanar geometry
    Journal: Astrophysics and Space Science
    Published on: 2012
    Citation: 94

  • Exact solutions of cylindrical and spherical dust ion acoustic waves
    Journal: Physics of Plasmas
    Published on: 2003
    Citation: 78

  • Electron acoustic solitary waves and double layers with superthermal hot electrons
    Journal: Physics of Plasmas
    Published on: 2010
    Citation: 69

  • Electron acoustic solitons in a relativistic plasma with nonthermal electrons
    Journal: Physics of Plasmas
    Published on: 2006
    Citation: 66

  • Ion acoustic solitary waves and double layers with nonextensive electrons and thermal positrons
    Journal: Physics of Plasmas
    Published on: 2011
    Citation: 65

Conclusion

Prof. Biswajit Sahu’s academic career embodies a remarkable blend of teaching excellence, innovative research, and scientific leadership. His extensive work on nonlinear plasma dynamics and theoretical modeling has provided valuable insights into fundamental plasma processes relevant to astrophysics, space science, and applied plasma technologies. His role as a mentor, collaborator, and international contributor further enhances his standing as a thought leader in mathematics and physics. With his consistent achievements and scholarly impact, he stands as a highly deserving nominee for the Best Researcher Award, exemplifying both dedication and innovation in scientific research.