Okechukwu Obulezi | Mathematics | Editorial Board Member

Dr. Okechukwu Obulezi | Mathematics | Editorial Board Member

Nnamdi Azikiwe University | Nigeria

Author Profile

Scopus

Orcid

๐ŸŽ“ Early Academic Pursuits

Dr. Okechukwu Obulezi began his academic journey with a focus on statistical sciences, obtaining an ND in Statistics from Abia State Polytechnic in 2006. Driven by his passion, he continued with an HND in Statistics from the same institution, culminating in a strong foundation in quantitative analysis and data interpretation. Pursuing higher learning, he completed a PGD in Statistics at Nnamdi Azikiwe University in 2012, with a thesis on the "Discriminant Analysis of the Nigerian Fixed Assets." His master's thesis focused on "BIC-Based Relative Influence Measure for Outlier Detection and Variable Selection in Regression Analysis," setting the stage for his current Ph.D. in Statistics, where he explores complex statistical methods for predictive and analytical modeling.

๐Ÿ’ผ Professional Endeavors

Dr. Obuleziโ€™s professional career spans several academic roles, starting as an Instructor at Abia State Polytechnic in 2011, where he advanced to Senior Instructor by 2015. In 2019, he joined Nnamdi Azikiwe University as an Assistant Lecturer in the Statistics Department, quickly progressing to Lecturer II and then Lecturer I by 2023. His responsibilities include teaching specialized courses such as Biostatistics, Statistical Methods, Probability Theory, and Matrix Algebra, where he imparts knowledge to the next generation of statisticians. Beyond teaching, he plays critical roles in advising undergraduates, coordinating seminars and projects, and contributing to departmental committees, such as the Faculty ICT Committee and Faculty Repair and Maintenance Committee.

๐Ÿ”ฌ Contributions and Research Focus

Dr. Obuleziโ€™s research interests lie at the intersection of probability distributions, machine learning, and statistical modeling, with applications in survival analysis, acceptance sampling, and censored data analysis. His contributions to these fields include publications in high-impact journals, focusing on new statistical models for various real-world applications. Some of his significant research includes new distribution models for engineering, biomedical, and environmental data, optimization of GARCH models for financial volatility, and innovative sampling plans for reliability testing. His publications reflect his commitment to advancing the fields of statistics and machine learning by creating robust, practical solutions for complex data challenges.

๐Ÿ† Accolades and Recognition

Dr. Obulezi has earned recognition for his academic and research excellence, serving as a reviewer for several prestigious journals, such as Cogent Engineering, Scientific African, and Alexandria Engineering Journal. His expertise has also led him to contribute as a reviewer for academic book chapters, particularly in mathematical and computer science research. This engagement underscores his prominence as a thought leader in the statistical community and highlights the respect he commands among peers for his critical insights and expertise.

๐ŸŒ Impact and Influence

Dr. Obulezi's work in developing statistical models and distributions has had a significant impact, particularly in the areas of biomedicine, engineering, and environmental science. His innovative methodologies have helped refine statistical tools for better data analysis, contributing to improved outcomes in public health research, environmental risk assessment, and financial risk management. His influence also extends to mentoring students and collaborating with other academics, which enriches the statistical field and inspires the next generation of statisticians.

๐Ÿ”ฎ Legacy and Future Contributions

Looking forward, Dr. Obulezi aims to further his research in advanced statistical modeling, focusing on machine learning applications and data-driven decision-making in complex fields. His commitment to exploring new statistical approaches for big data and predictive analysis places him at the forefront of his field, positioning him to make enduring contributions that will drive innovation in statistical methodologies and applications for years to come.

 

Publications


  • ๐Ÿ“„ Parameter estimation for reduced Type-I Heavy-Tailed Weibull distribution under progressive Type-II censoring scheme
  • Authors: Prakash, A., Maurya, R.K., Alsadat, N., Obulezi, O.J.
  • Journal: Alexandria Engineering Journal
  • Year: 2024

  • ๐Ÿ“„ Sine generalized family of distributions: Properties, estimation, simulations and applications
  • Authors: Oramulu, D.O., Alsadat, N., Kumar, A., Bahloul, M.M., Obulezi, O.J.
  • Journal: Alexandria Engineering Journal
  • Year: 2024

  • ๐Ÿ“„ A more flexible Lomax distribution: Characterization, estimation, group acceptance sampling plan and applications
  • Authors: Ekemezie, D.-F.N., Alghamdi, F.M., Aljohani, H.M., El-Raouf, M.M.A., Obulezi, O.J.
  • Journal: Alexandria Engineering Journal
  • Year: 2024

  • ๐Ÿ“„ A new extension of Burr-Hatke exponential distribution with engineering and biomedical applications
  • Authors: Anyiam, K.E., Alghamdi, F.M., Nwaigwe, C.C., Aljohani, H.M., Obulezi, O.J.
  • Journal: Heliyon
  • Year: 2024

  • ๐Ÿ“„ Group acceptance sampling plan based on truncated life tests for Type-I heavy-tailed Rayleigh distribution
  • Authors: Nwankwo, M.P., Alsadat, N., Kumar, A., Bahloul, M.M., Obulezi, O.J.
  • Journal: Heliyon
  • Year: 2024

 

Abayneh Fantaye | Mathematics | Editorial Board Member

Mr. Abayneh Fantaye | Mathematics | Editorial Board Member

Debre Tabor University | Ethiopia

Author Profile

Google Scholar

Early Academic Pursuits

Abayneh Kebede Fantaye embarked on his academic journey at Anole Elementary School, where he excelled in Mathematics, Ethical Education, Physics, Biology, Chemistry, History, and Geography. His passion for learning led him to Gado Guna Secondary School, earning the Ethiopian General Secondary Education Certificate. Furthering his academic prowess, he completed the Ethiopian Higher Education Entrance Qualification Certificate at Asella Preparatory School.

Professional Endeavors

Abayneh's pursuit of knowledge continued at Debre Tabor University, where he earned a Bachelor's degree in Mathematics. His comprehensive coursework included areas such as Algebra, Calculus, Statistics, Linear Optimization, Differential Equations, and more. Undeterred by challenges, he pursued a Master's degree at Hawassa University in Mathematical and Statistical Modeling, delving into advanced topics like Numerical Mathematics, Differential Equations, Bayesian Data Inference, and Statistical Methods.

Contributions and Research Focus

As a dedicated lecturer at Debre Tabor University, Abayneh contributes significantly to the academic landscape. His research focus spans Numerical Optimization, Differential Equations, Dynamical Systems, and Mathematical Modeling. He brings a wealth of knowledge to his students, fostering a deep understanding of mathematical concepts and their real-world applications.

Accolades and Recognition

Abayneh's commitment to academic excellence has earned him accolades, including the Primary School Leaving Certificate and the Ethiopian General Secondary Education Certificate. His pursuit of a Master's degree further underscores his dedication to advancing his expertise in Mathematics and Statistical Modeling.

Impact and Influence

Through his role as a lecturer, Abayneh influences the next generation of mathematicians. His commitment to providing a holistic education that combines theoretical knowledge with practical applications leaves a lasting impact on his students.

Legacy and Future Contributions

Abayneh Kebede Fantaye's legacy is one of academic rigor, continuous learning, and a passion for mathematics. His future contributions are poised to extend beyond the classroom, enriching mathematical research and fostering an environment where students thrive in the world of numbers.

Notable Publications

Mathematical Model and Analysis of Corruption Dynamics with Optimal Control 2022 (13)

ECO-EPIDEMIOLOGICAL MODEL AND STABILITY ANALYSIS OF COTTON LEAF CURL VIRUS (CLCUV) TRANSMISSION DYNAMICS 2022 (2)

Mathematical Model and Stability Analysis on the Transmission Dynamics of Skin Sores 2022 (1)