Osaye Fadekemi, PhD

Assistant Professor of Mathematics at Alabama State University with expertise in Graph Theory and Network Modeling

About

Dr Fadekemi Janet Osaye is a mathematician whose primary research interest is in graph theory and network modeling. In particular, she is interested in distance measures in graphs and their applications to solving many real-world problems. Her interest in discrete mathematics was inspired by her research project carried out at AIMS Ghana. She has published several articles in reputable journals and has presented in several conferences across the globe. In 2019, she became the first black female to be awarded a PhD in Mathematics by the University of Johannesburg, South Africa, in its 116 years of its existence. Since June 2021, she has been an Assistant Professor of Mathematics at Alabama State University and was previously a Visiting Assistant Professor at Auburn University. She is the founder of GirlsMatics Foundation, a STEM non-governmental organisation for girls in Nigeria which was motivated by her involvement with AIMS Ghana’s outreach programs for high school students in Biriwa, Ghana. She is also the co-founder of FadNna Partners, an analytics and management firm based in Lagos, Nigeria.

Education

University of Johannesburg

Doctor of Philosophy, Department of Pure and Applied Mathematics / July, 2019

Auckland Park

University of KwaZulu-Natal

Master of Science, School of Mathematics, Statistics and Computer Science / March, 2015

Durban

African Institute For Mathematical Sciences Ghana

Master of Science, Mathematical Sciences / June, 2013

Biriwa

Federal University of Technology Akure School of Sciences

Bachelor of Technology, (Honours), Mathematical Sciences / September, 2008

Akure

Experience

Auburn University Auburn

Visiting Asisitant Professor / August, 2019May, 2021

Alabama State University

Assistant Professor / June, 2021Present

Publications

Average eccentricity,k-packing andk-domination in graphs

Discrete Mathematics / May 01, 2019

Dankelmann, P., & Osaye, F. J. (2019). Average eccentricity,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll" id="d1e86" altimg="si36.gif"><mml:mi>k</mml:mi></mml:math>-packing and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll" id="d1e91" altimg="si36.gif"><mml:mi>k</mml:mi></mml:math>-domination in graphs. Discrete Mathematics, 342(5), 1261–1274. https://doi.org/10.1016/j.disc.2019.01.004

Upper bounds on the average eccentricity of K3-free and C4-free graphs

Discrete Applied Mathematics / Nov 01, 2019

Dankelmann, P., Osaye, F. J., Mukwembi, S., & Rodrigues, B. G. (2019). Upper bounds on the average eccentricity of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e103" altimg="si18.svg"><mml:msub><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:math>-free and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" id="d1e113" altimg="si19.svg"><mml:msub><mml:mrow><mml:mi>C</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:msub></mml:math>-free graphs. Discrete Applied Mathematics, 270, 106–114. https://doi.org/10.1016/j.dam.2019.06.003

Average eccentricity, minimum degree and maximum degree in graphs

Journal of Combinatorial Optimization / Jun 26, 2020

Dankelmann, P., & Osaye, F. J. (2020). Average eccentricity, minimum degree and maximum degree in graphs. Journal of Combinatorial Optimization, 40(3), 697–712. https://doi.org/10.1007/s10878-020-00616-x

Average eccentricity, minimum degree and maximum degree in graphs

Journal of Combinatorial Optimization / Jun 26, 2020

Dankelmann, P., & Osaye, F. J. (2020). Average eccentricity, minimum degree and maximum degree in graphs. Journal of Combinatorial Optimization, 40(3), 697–712. https://doi.org/10.1007/s10878-020-00616-x

An Interpretable Machine Learning Approach for Hepatitis B Diagnosis

Applied Sciences / Nov 02, 2022

Obaido, G., Ogbuokiri, B., Swart, T. G., Ayawei, N., Kasongo, S. M., Aruleba, K., Mienye, I. D., Aruleba, I., Chukwu, W., Osaye, F., Egbelowo, O. F., Simphiwe, S., & Esenogho, E. (2022). An Interpretable Machine Learning Approach for Hepatitis B Diagnosis. Applied Sciences, 12(21), 11127. https://doi.org/10.3390/app122111127

Study of Mean Labelings on Product Graphs

Current Topics on Mathematics and Computer Science Vol. 7 / Aug 05, 2021

John, T. L., & Varkey, T. K. M. (2021). Study of Mean Labelings on Product Graphs. Current Topics on Mathematics and Computer Science Vol. 7, 8–16. https://doi.org/10.9734/bpi/ctmcs/v7/3317f

The average eccentricity of a graph with prescribed girth

Discrete Mathematics / Dec 01, 2022

Osaye, F. J. (2022). The average eccentricity of a graph with prescribed girth. Discrete Mathematics, 345(12), 113066. https://doi.org/10.1016/j.disc.2022.113066

Links & Social Media

Research Interests

Graph Theory
Network Modeling
Disease Modeling
Discrete Mathematics and Combinatorics
Theoretical Computer Science
Applied Mathematics
Computational Theory and Mathematics
Control and Optimization
Computer Science Applications
Fluid Flow and Transfer Processes
Process Chemistry and Technology
General Engineering
Instrumentation
General Materials Science
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