Areas of Expertise
Linear and Multilinear Algebra, Combinatorics, and Numerical Linear Algebra.
Teaching Interests
While Professor Koyuncu enjoys teaching most undergraduate and graduate math courses, his favorite courses are Linear Algebra, Numerical Analysis, and Discrete Math.
Research
Professor Koyuncu’s research spans operator theory, matrix theory, structured matrices, numerical linear algebra, and additive combinatorics, with more than 30 peer-reviewed papers published in reputable journals.
Representative Publications
These are Professor Koyuncu’s five recent selected publications:
Selcuk Koyuncu, Ritvik Shah and Cenap Ozel, Topological and Numerical Approaches to Surface Transformations, Journal of Geometry and Physics, 2025.
https://doi.org/10.1016/j.geomphys.2025.105472 New Tab
Ali Bayati Eshkaftaki, Selcuk Koyuncu, Javad Mashreghi, and Moustafa Nasri, On Extreme Points of Symmetric Doubly Stochastic Matrices, Operator Theory, Springer Nature, 2025.
https://doi.org/10.1007/978-3-0348-0692 New Tab
Selcuk Koyuncu, Eman Ahmad and Cenap Ozel, Topology of Hankel matrices and applications, Journal of Geometry and Physics 199 (2024), 105150.
https://doi.org/10.1016/j.geomphys.2024.105150 New Tab
Lei Cao, Ali Bayati Eshkaftaki, and Selcuk Koyuncu, Variations in the Sub-Defect of Doubly Substochastic Matrices, Special Matrices 2024; 12: 20240012.
https://doi.org/10.1515/spma-2024-001250 New Tab
Zhi Chen, Lei Cao, Selcuk Koyuncu, The extreme points of centrosymmetric transportation polytopes, Linear Algebra and its Applications, Volume 608, Issue 3 (2021), Pages 214-235
https://doi.org/10.1016/j.laa.2020.08.029 New Tab
Education
- PhD, Mathematics, Drexel University, USA, 2012
- MS, Mathematics, Georgia State University, USA, 2006
- BS, Mathematics, Abant Izzet Baysal University, Turkey, 2000
Previous Appointments
- 8/2022−7/31/2025 University of North Georgia, Professor
- 8/2018− 8/2022 University of North Georgia, Associate Professor
- 8/2014− 8/2018 University of North Georgia, Assistant Professor
- 9/2006− 6/2012 Drexel University, USA, Research Assistant
Professional Associations
- American Mathematical Society
- International Linear Algebra Society