Abel Okojunu
Applied Mathematician
Applied and computational mathematician with interests in scientific computing, high-performance computing, machine learning, and AI.
Research Interests
- Scientific Computing & Numerical Methods — High-Performance Computing, Uncertainty Quantification, Stiff ODE Solvers, Domain Decomposition
- Machine Learning & AI — Physics-Informed Neural Networks, Bayesian Inference, Surrogate Modeling
Experience
Graduate Teaching Assistant (Instructor of Record), Florida State University, Department of Mathematics
Responsible for instruction, student mentoring, course content design, grading, and providing feedback on 50+ original problems for approximately 30 students each semester.
- Calculus 3 (Spring & Fall 2025): multivariate calculus, vector analysis, optimization
- Applied Linear Algebra I (Summer 2025): matrix algebra, eigenvalue analysis, least-squares optimization, numerical methods (LU, QR, SVD)
- Calculus 1 (Spring & Fall 2024): differential & integral calculus, optimization, limit theory
- Pre-Calculus (Summer & Fall 2023): function analysis, logarithmic/exponential modeling, algebraic geometry
Graduate Research Intern, Lawrence Livermore National Laboratory (LLNL)
Summer graduate internship in computational methods for aerospace/aviation applications.
- Developed an accelerated ODE technique using the Sherman-Morrison formula for sustainable aviation fuel (SAF) modeling
- Applied HPC techniques to computational methods for dynamical systems in an aerospace engineering context
- Collaborated with interdisciplinary technical teams on algorithm development
Graduate Research Assistant, Florida State University, Department of Mathematics
- Jet noise reduction, compressible flow, and gas dynamics research
Graduate Teaching Assistant (Lab & Recitations), Florida State University, Department of Mathematics
Organized recitations, graded coursework, and provided feedback to students.
- Courses: Pre-Calculus, Business Calculus III
Assistant Presiding Officer (APO 1), Independent National Electoral Commission (INEC)
Election duty officer for the 2019 Nigerian presidential election.
Private Tutor (Mathematics), Part-time, Private Tutoring
- Tutored an undergraduate Computer Engineering student in college algebra
- Customized problems to address the student's conceptual gaps
Mathematics Tutor (National Youth Service Corps), Peniel Intellectual Academy
Mathematics Tutor, Faith Academy
Instructor of record for primary school mathematics students.
Education
Florida State University
- Dissertation: Global Linear Stability Analysis of Capillary-Driven Interfacial Instability: A Jacobian-Free Approach
- Expected completion: Fall 2026
Florida State University
Federal University of Petroleum Resources
First Class Honours (4.95/5.0) -- the highest recorded CGPA for any student since the university's inception; Class Rank 1
- B.Sc. Thesis: Higher Order Compact Finite Difference Schemes for Linear 2-point Boundary Value Problems
Skills
- Scientific Computing & Programming: MATLAB, Python, R, Julia, C++, FORTRAN
- Symbolic & Optimization Software: Maple, Mathematica, GAMS, GAP
- Machine Learning: scikit-learn, XGBoost, PyTorch, TensorFlow/Keras
- Typesetting & Environments: LaTeX, Typst, Windows, Linux
Awards & Honors
- Dwight B. Goodner Mathematics Fellowship — Florida State University, Department of Mathematics (2026-04-01) Senior award for outstanding teaching in the field of mathematics.
- Distinguished Teaching Assistant Award — Florida State University, Department of Mathematics (2025-04-01)
- Certificate of Recognition — EducationUSA Abuja (2020-12-01) Special recognition for supporting EducationUSA Abuja (2019/2020 cohort).
- Tam Family Fellowship — Tam Family Foundation (FSU) (2020-04-01)
- Vice-Chancellor's Prize -- Overall Best Graduating Student — Federal University of Petroleum Resources (2019-04-01) For the 2016/2017 academic session.
- Dean's Prize (College of Science) -- Best Graduating Student — Federal University of Petroleum Resources, College of Science (2019-04-01) For the 2016/2017 academic session.
- Opportunity Fund Scholarship (OFP) — EducationUSA (Abuja, Nigeria) (2019-07-01)
- Prince Ned Nwoko's Foundation Award — Prince Ned Nwoko's Foundation (2019-05-01) Cash award to first-class graduates.
- Gold Medal -- National Mathematics Competition for University Students (NAMCUS) — NAMCUS (2017-04-01) Awarded at the 400 level.
- Most Outstanding Student, Department of Mathematics & Computer Science — NAMCOSS Merit Awards (FUPRE) (2017-04-01)
- Best College of Science Student — NADESTU Awards (FUPRE) (2017-06-01)
- Silver Medal -- National Mathematics Competition for University Students (NAMCUS) — NAMCUS (2016-04-01) Awarded at the 300 level, competing against final-year (400-level) students.
- MTN Foundation Scholarship — MTN Foundation (2015-11-01) Science & Technology Scholarship for undergraduate studies.
Publications
- Abel Okojunu, A. Waheed, A. M. Okedoye. Higher-Order Compact Finite Difference Scheme for Linear Two-point Boundary Value Problems. SSRN, 2022-01-01.
- Ekuma Okereke, Abel Okojunu. Algorithms for solution of fixed point and equilibrium problems in a Banach space. Tropical Journal of Science and Technology, 2019-01-01. Vol. 1, issue 1, pp. 105-123.
Volunteer Experience
Community Development Service (CDS) Member, National Youth Service Corps -- Federal Road Safety Club, Ohafia (FRSC)
Community development service component of Nigeria's mandatory National Youth Service Corps program.
Certificates
- Applied Data Science with Python Specialization (5 courses) — Coursera -- University of Michigan
- Statistics with R Specialization (5 courses) — Coursera -- Duke University
- Julia Scientific Computing — Coursera -- University of Cape Town
- Introduction to Programming in MATLAB — Coursera -- Vanderbilt University
- Analyzing and Visualizing Data with Power BI — edX -- Microsoft
- Data Science Ethics — Coursera -- University of Michigan