Fathalla Rihan | Statistical Analysis | Best Scholar Award

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Prof. Fathalla Rihan | Statistical Analysis | Best Scholar Award

United Arab Emirates University | United Arab Emirates

Publication Profile

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Professor Fathalla A. Rihan: A Distinguished Expert in Mathematical Sciences 📚✨

Current Position(s) & Employment History 🏫

  • Professor of Mathematics (2017–present)
    Department of Mathematical Sciences, College of Science, UAE University, UAE 🇦🇪
  • Professor of Mathematics (2011–present)
    Department of Mathematics (on leave), Faculty of Science, Helwan University, Egypt 🇪🇬
  • Associate Professor (2012–2017)
    Department of Mathematical Sciences, College of Science, UAE University, UAE
  • Assistant Professor (2008–2012)
    Department of Mathematical Sciences, College of Science, UAE University, UAE
  • Associate Professor of Mathematics (2005–2011)
    Department of Mathematics, Faculty of Science, Helwan University, Egypt
  • Honorary Research Fellow (2000–2010)
    School of Mathematics, University of Manchester, UK 🇬🇧
  • Assistant Professor (2000–2005)
    Department of Mathematics, Faculty of Science, Helwan University, Egypt
    (On leave for Post-Doctoral research in the UK)
  • Senior Research Fellow (2003–2006)
    Salford University, UK, in collaboration with Met Office (Reading University)
  • Research Fellow (2001–2003)
    School of Mathematics, Manchester University, UK
  • Postgraduate Studentship and Lecturer Assistant (1996–2000)
    Department of Mathematics, Manchester University, UK
  • Lecturer (1992–1996)
    Department of Mathematics, Helwan University, Egypt
  • Instructor (1987–1992)
    Department of Mathematics, Faculty of Science, Helwan University, Egypt

Education 🎓

  • Doctor of Science (DSc) in Mathematics (2019)
    National University of Uzbekistan
    Dissertation: “Qualitative and Quantitative Features of Delay Differential Equations and Their Applications”
  • Ph.D. in Mathematics (2000)
    University of Manchester, UK
    Thesis: “Numerical Treatment of Delay Differential Equations in the Biosciences”
  • M.Sc. in Numerical Analysis (1992)
    Helwan University, Egypt
    Thesis: “Spectral and Pseudo-Spectral Method for Solving Partial Differential Equations Using Orthogonal Polynomials”
  • B.Sc. in Mathematics (1985)
    Alexandria University, Egypt, Graduated with Honours

Research Interests  On Statistical Analysis🔬

Prof. Fathalla A. Rihan leads two primary research groups:

  • Numerical Analysis & Mathematical Biology
    • Mathematical modeling of phenomena with time-lags (cell division, population dynamics, infectious diseases, etc.)
    • Numerical treatments for Ordinary, Partial, and Delay Differential Equations (DDEs), as well as Fractional Order Differential Equations
    • Parameter estimation and sensitivity analysis
  • Data Assimilation & Numerical Weather Prediction (NWP)
    • Advanced data assimilation techniques like 3DVar/4D-Var systems
    • Impact of Doppler radial velocities on analysis and forecasting

Research Projects 📊

  • 2024–2026: PI, AUA-UAEU Project: “Continuous Runge-Kutta Methods for Pantograph Delay Differential Equations”
  • 2022–2024: PI, ZU-UAEU Project: “Impact of Stochastic Noise on COVID-19 Dynamics in the UAE”
  • 2022: PI, SURE+ 2022 Program: “Mathematical Modeling of COVID-19 in the UAE”
  • 2021–2023: PI, UPAR-UAEU Project: “Quantitative Features of Delay Differential Equations in Biological Systems”
  • 2017–2019: PI, SQU/UAEU Project: “Delay Differential Models of Immune Response with Viral/Bacterial Infections”

Awards & Recognition 🏆

  • Resignation Award for Publications in Top 5% Journals (2023)
  • Member of Mohammed Bin Rashid Academy of Scientists (2021–present)
  • Top 2% World Scientist (Stanford University 2019–2022)
  • University Excellence Merit Allowance (2019–2020)
  • College Excellence Award for Service (2019–2020)
  • Distinguished Research Awards (2017–2019)
  • College Award for Scholarly Research (2014–2015)

Visitor ships 🌍

  • Research Visitor (2000–2001): Manchester University, UK
  • Research Visitor (2001): University of Hertfordshire, UK
  • Research Visitor (2003–2004): NCAR & Oklahoma Weather Center, USA

Publication Top Notes

Optimal control of glucose-insulin dynamics via delay differential model with fractional-order
    • Authors: Fathalla A. Rihan, K. Udhayakumar
    • Journal: Alexandria Engineering Journal
    • Year: 2025-02 🗓️
Modeling Hybrid Crossover Dynamics of Immuno‐Chemotherapy and Gene Therapy: A Numerical Approach
    • Authors: Muner M. Abou Hasan, Seham M. AL‐Mekhlafi, Fathala A. Rihan, Hannah A. Al‐Ali
    • Journal: Mathematical Methods in the Applied Sciences
    • Year: 2025-02-03 🗓️
Stabilization of bilinear systems with distributed delays using the Banach state space decomposition method
    • Authors: Ayoub Cheddour, Abdelhai Elazzouzi, Fathalla A. Rihan
    • Journal: IMA Journal of Mathematical Control and Information
    • Year: 2024-12-19 🗓️
Continuous Runge–Kutta schemes for pantograph type delay differential equations
    • Authors: Fathalla A. Rihan
    • Journal: Partial Differential Equations in Applied Mathematics
    • Year: 2024-09 🗓️
Fractional order delay differential model of a tumor-immune system with vaccine efficacy: Stability, bifurcation and control
    • Authors: Fathalla A. Rihan, K. Udhayakumar
    • Journal: Chaos, Solitons & Fractals
    • Year: 2023-08 🗓️

 

Jean Chamberlain Chedjou | Statistical Analysis | Best Researcher Award

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Assoc Prof Dr. Jean Chamberlain Chedjou | Statistical Analysis | Best Researcher Award

University of Klagenfurt | Austria

Author Profile

Scopus

EARLY ACADEMIC PURSUITS 📚

Assoc. Prof. Dr. Dr.-Ing. Jean Chamberlain Chedjou’s academic journey began with a strong foundation in electronics and physics. After earning his Bachelor’s degree in Physics from the University of Yaoundé, Cameroon, in 1990, he pursued a Bachelor’s Honors degree in Electronics, followed by a Master’s-equivalent DEA in Electronics. His passion for research led him to further his studies, culminating in a Doctorate (Doctorat de troisème cyle) in Electronics at the University of Yaoundé in 1999. Chedjou continued to expand his academic knowledge, attaining a Dr.-Ing. Degree in Electrical Engineering and Information Technology from Leibniz University of Hanover, Germany, in 2004. These early years laid the groundwork for his later contributions in systems optimization, dynamic systems modeling, and traffic simulation.

PROFESSIONAL ENDEAVORS 💼

Dr. Chedjou’s professional journey reflects a commitment to both teaching and research excellence. He started his academic career as a part-time Assistant Lecturer at the University of Yaoundé, followed by various faculty roles at the University of Dschang in Cameroon. His research experience expanded internationally through postdoctoral positions at Université Blaise Pascal, France, and the Abdus Salam International Centre for Theoretical Physics, Italy. These roles were instrumental in shaping his research focus on neural networks, simulation techniques, and dynamic systems modeling. Since 2009, Dr. Chedjou has served as an Associate Professor at Alpen-Adria-Universität Klagenfurt, Austria, where he has continued to excel in research and teaching.

CONTRIBUTIONS AND RESEARCH FOCUS 🔬

Dr. Chedjou’s research is deeply centered on optimization in graph networks, particularly the development of neuro-processor solvers aimed at ultra-fast solutions for classical graph theoretical problems such as the Shortest Path Problem (SPP), Traveling Salesman Problem (TSP), and Minimum Spanning Tree (MST). He integrates his expertise in neural networks and cellular neural networks to advance simulation and optimization techniques, applying them to real-world challenges in systems simulation and nonlinear dynamics.

His work also extends to traffic modeling, electronic circuit design, and the analog computation of stiff differential equations, where his innovative approaches enhance the efficiency of simulation models. Moreover, Dr. Chedjou investigates the nonlinear dynamics of complex systems, addressing equilibrium states, chaos detection, and stability analysis, furthering understanding in fields like system theory, engineering, and telecommunications.

IMPACT AND INFLUENCE 🌍

Dr. Chedjou’s contributions have significantly impacted the academic and research communities, particularly in the areas of transportation informatics and systems modeling. His research in ultra-fast solvers and neurocomputing has paved the way for more efficient solutions to complex optimization problems. As an Associate Professor at Alpen-Adria-Universität Klagenfurt, his courses on methods of transportation informatics and simulation techniques have inspired countless students to explore these domains. His role as a mentor has helped shape future leaders in the field of systems technologies.

Additionally, Dr. Chedjou’s involvement in global research collaborations—such as his fellowships with the Abdus Salam International Centre for Theoretical Physics—demonstrates his commitment to international knowledge exchange and the advancement of applied sciences.

ACADEMIC CITATIONS AND RECOGNITIONS 🏅

Dr. Chedjou’s academic contributions are well-recognized globally. His innovative work in graph theory and simulation has earned him a place among respected researchers in his field. His commitment to excellence in teaching was highlighted in 2013 when he was honored with the Best Lecturer award at the University of Klagenfurt, a testament to his ability to convey complex concepts effectively and engage students in meaningful learning.

LEGACY AND FUTURE CONTRIBUTIONS 🌱

Dr. Chedjou’s legacy is defined by his pioneering research and his dedication to advancing the fields of optimization, dynamic systems, and transportation informatics. His current focus on neurocomputing for real-time simulation and optimization of nonlinear differential equations promises to influence various industries, from transportation to telecommunications.

Looking ahead, Dr. Chedjou continues to push the boundaries of systems simulation and modeling. His work on neuro-processor solvers and cellular neural networks is poised to revolutionize problem-solving strategies in complex networks, contributing to faster and more scalable solutions for modern engineering challenges. As a mentor, researcher, and academic, Dr. Chedjou’s future contributions will undoubtedly continue to inspire and shape the next generation of innovators and scholars.

📑 NOTABLE PUBLICATIONS 

Article: Impact of source (drain) doping profiles and channel doping level on self-heating effect in FinFET

Authors: Atamuratov, A.E., Jabbarova, B.O., Khalilloev, M.M., Blugan, G., Saidov, K.
Journal: Micro and Nanostructures
Year: 2025

Article: A special memristive diode-bridge-based hyperchaotic hyperjerk autonomous circuit with three positive Lyapunov exponents

Authors: Rong, X., Chedjou, J.C., Yu, X., Jiang, D., Kengne, J.
Journal: Chaos, Solitons and Fractals
Year: 2024

Article: Complex dynamic behaviors in a small network of three ring coupled Rayleigh-Duffing oscillators: Theoretical study and circuit simulation

Authors: Kamga Fogue, S.M., Kana Kemgang, L., Kengne, J., Chedjou, J.C.
Journal: International Journal of Non-Linear Mechanics
Year: 2024

Article: Coupling Induced Dynamics in a Chain-Network of Four Two-Well Duffing Oscillators: Theoretical Analysis and Microcontroller-Based Experiments

Authors: Venkatesh, J., Karthikeyan, A., Chedjou, J.C., Jacques, K., Karthikeyan, R.
Journal: Journal of Vibration Engineering and Technologies
Year: 2024

Article: A unique self-driven 5D hyperjerk circuit with hyperbolic sine function: Hyperchaos with three positive exponents, complex transient behavior and coexisting attractors

Authors: Vivekanandhan, G., Chedjou, J.C., Jacques, K., Rajagopal, K.
Journal: Chaos, Solitons and Fractals
Year: 2024

Lei Wang | Quantitative Social Science Research | Best Researcher Award

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Prof. Lei Wang | Quantitative Social Science Research | Best Researcher Award

International Business School, China

Author Profiles

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📚 Summary

Prof. Lei Wang is a distinguished academic in the field of economics, with a strong focus on early childhood development, education, and rural development. He holds a professorship at the International Business School of Shaanxi Normal University and has contributed significantly to the academic community. Prof. Wang’s academic journey also includes being a visiting scholar at renowned institutions like Stanford University and Cornell University, engaging in global research collaborations. His work primarily focuses on the intersection of economics and education, especially in rural China. 

🎓 Education

Prof. Wang completed his Ph.D. in Economics at Xi’an Jiaotong University in 2006, following his M.A. in Economics from the same university in 2002. He also holds a B.A. in History from Northwest University, which gives him a broad interdisciplinary perspective in his academic pursuits. 

💼 Professional Experience

Prof. Wang’s professional journey spans roles in teaching, research, and administration. He has served as a Professor at the International Business School, Shaanxi Normal University since 2019, after being an Associate Professor there from 2010 to 2019. In addition to his academic roles, he has been a visiting scholar at esteemed institutions like Stanford University (2010-2011) and Cornell University (2024-2025). Furthermore, Prof. Wang contributed as Deputy Director of the International Affairs Office at his university from 2009 to 2016, fostering international collaborations. 

📝 Academic Contributions

Prof. Wang has significantly contributed to research in early childhood development and rural education. He is an active reviewer for several top-tier journals such as Journal of Development Economics, World Development, and China Economic Review. His research on the effects of parental involvement on child development outcomes in rural China has garnered attention in the academic community. 

🖥️ Technical Skills

Prof. Wang is highly skilled in economic research methods, statistical analysis, and econometrics. His technical expertise enables him to design complex research projects and evaluate development programs. He is proficient in data analysis software and academic databases, allowing him to conduct comprehensive studies on various economic and educational issues. 

👨‍🏫 Teaching Experience

Prof. Wang brings years of experience to the classroom, having taught undergraduate and graduate courses in economics and business. He has developed English-based programs focused on financial management and economic development. His dedication to teaching is evident in his curriculum development and his role in mentoring students, preparing them for future careers in the field. 

🔬 Research Interests

Prof. Wang’s research primarily explores early childhood development, with a focus on rural China. His studies investigate the effects of parental involvement, parenting styles, and school nutrition programs on child development. He is also engaged in policy research on rural education, economic development, and public health interventions. His ongoing work continues to shape our understanding of rural development in China. 

 

Top Noted Publications 📖

Impact of Parental Beliefs on Child Developmental Outcomes: A Quasi-Experiment in Rural China

Authors: Lei Wang, Conghong Yang, Dingjing Jiang, Qi Jiang, Scott Rozelle

Journal: International Journal of Environmental Research and Public Health

Year: 2022

Improving learning by improving vision: evidence from two randomized controlled trials of providing vision care in China

Authors: Ma, X.; Wang, H.; Shi, Y.; Sylvia, S.; Wang, L.; Qian, Y.; Rozelle, S.

Journal: Journal of Development Effectiveness

Year: 2021

The effective prevention program at 1 hospital in China during the COVID-19 epidemic

Authors: Wang, H.; Sun, K.; Wang, L.; Zhang, K.; Tang, Q.

Journal: Disaster Medicine and Public Health Preparedness

Year: 2021

Trajectories of child cognitive development during ages 0–3 in rural Western China: prevalence, risk factors and links to preschool-age cognition

Authors: Wang, L.; Chen, Y.; Sylvia, S.; Dill, S.-E.; Rozelle, S.

Journal: BMC Pediatrics

Year: 2021

Seeing is believing: Experimental evidence on the impact of eyeglasses on academic performance, aspirations, and dropout among junior high school students in rural China

Authors: Nie, J.; Pang, X.; Wang, L.; Rozelle, S.; Sylvia, S.

Journal: Economic Development and Cultural Change

Year: 2020

Endalkachew Etana | Statistical analysis | Editorial Board Member

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Mr. Endalkachew Etana | Statistical analysis | Editorial Board Member

Mattu University, Ethiopia
Author Profile

Orcid 

🎓 Early Academic Pursuits

Mr. Endalkachew Etana’s academic journey started at Mizan Tepi University in Ethiopia, where he obtained his BSc in Chemistry (2012-2014) with a CGPA of 3.72. He further advanced his education with an MSc in Analytical Chemistry from Ambo University (2019-2021), achieving a CGPA of 3.90. These foundational years shaped his career in analytical and instrumental chemistry, setting the stage for his future contributions to the field.

👨‍🏫 Teaching Experience

With extensive teaching experience, Mr. Etana has imparted knowledge across several critical chemistry courses, including Analytical Chemistry, Instrumental Analysis, and Environmental Chemistry. He has also taught practical modules in Instrumental Analysis and Real Sample Analysis. His commitment to high-quality education is evident in his involvement in curriculum development and laboratory manual preparation, ensuring students receive a hands-on and comprehensive learning experience.

🏅 Professional Endeavors & Committee Involvement

Mr. Etana has actively participated in various professional committees, including serving as the Analytical Chemistry Stream Leader. His roles in staff development, recruitment, laboratory installations, and curriculum reviews highlight his leadership in improving academic standards. These contributions demonstrate his dedication to fostering a thriving academic community within his institution.

🔬 Contributions and Research Focus

Mr. Etana’s research contributions primarily focus on analytical chemistry, environmental issues, and health risks. His work includes the analysis of trace heavy metals in Ethiopian white sugar products, the development of greener microextraction methods for pesticide residue analysis, and the evaluation of potentially toxic elements in agricultural soils. His ongoing projects, such as assessing radionuclides and heavy metals in soil samples, continue to drive innovation in analytical methodologies and environmental safety.

🌍 Impact and Influence

The impact of Mr. Etana’s work extends beyond academic circles. His research on heavy metals, environmental pollutants, and food safety influences public health policies in Ethiopia. His published articles in leading journals like the Journal of Agriculture and Food Research and the Chinese Journal of Analytical Chemistry shape the discourse on environmental and health risks, particularly in the context of Ethiopian agriculture. His findings aim to improve the quality of life through safer food products and cleaner environments.

📚 Academic Cites and Publications

Mr. Etana’s research has been widely published, with notable contributions in peer-reviewed journals. His work includes studies on the human health risk assessments of heavy metals in Ethiopian sugar products, the development of microextraction methods for pesticide residues, and evaluating toxic elements in agricultural soils. His articles have contributed significantly to the body of knowledge on food safety and environmental health.

🛠️ Technical Skills

Mr. Etana is highly skilled in a variety of technical tools essential for research and teaching. These include proficiency in basic computer applications (MS Word, Excel, PowerPoint), Mendeley for reference management, and SPSS for statistical data analysis. His strong laboratory skills further enhance his research capabilities, making him well-equipped to conduct sophisticated scientific investigations.

🌐 Legacy and Future Contributions

Mr. Etana’s academic legacy is rooted in his commitment to advancing analytical chemistry and its applications in environmental health. His ongoing research into the optimization of extraction methods for caffeine in Ethiopian products and the study of heavy metal contamination continues to have far-reaching implications. As he continues to lead research projects, his work will contribute significantly to the field of environmental chemistry and the sustainability of agricultural practices in Ethiopia.

🏅 Awards and Conference Presentations

Mr. Etana has been recognized for his scholarly contributions, including winning the Best Paper Award at the international SIST-SHE 22 conference in India. He also participated in the 6th Annual National Research Conference at Mattu University in Ethiopia, where he presented on the integration of research with indigenous knowledge. These accolades reflect the high regard in which his work is held in the scientific community.

📜 Short-term Courses & Certifications

Mr. Etana demonstrates a commitment to continuous professional development by completing certifications in various fields. Notably, he has completed courses in Data Analysis Fundamentals and Artificial Intelligence Fundamentals, underscoring his dedication to staying current with the latest technological advancements and integrating them into his research and teaching.

 

📖 Top Noted Publications

Evaluation of some physicochemical parameters and health risks associated with potentially toxic elements (PTEs) in agricultural soils from the southwest region of Ethiopia

Authors: Endalkachew Etana, Redwan Hussein, Abire Huluka
Journal: Journal of Hazardous Materials Advances
Year: 2025

A development in greener microextraction methods for analysis of pesticide residues in environmental water samples: A review

Authors: Endalkachew Etana, Birhanu MEKASSA
Journal: Chinese Journal of Analytical Chemistry
Year: 2024

Proximate analysis, levels of trace heavy metals and associated human health risk assessments of Ethiopian white sugars

Authors: Birhanu Mekassa, Endalkachew Etana, Lemessa B. Merga
Journal: Journal of Agriculture and Food Research
Year: 2024