Current Position
Teaching Personnel under Contract Status at the Division of Mathematics and Natural Sciences, Hellenic Air Force Academy, Greece (9/2023 -present)
Education
Ph.D., Mathematics, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, Greece, 2021.
Title Thesis: Birkhoff-James epsilon-orthogonality sets and Birkhoff-James cosine function.
Supervisor: P. Psarrakos, 2021. [pdf (in Greek)]
M.Sc., Pure Mathematics, Department of Mathematics, University of Athens, Greece, 2011.
B.Sc., Mathematics, Department of Mathematics, University of Athens, Greece, 2009.
Sholarships
6/2015 - 5/2019 Papakyriakopoulos scholarship as PhD student
9/2004 I.K.Y. (State Scholarships Foundation) scholarship
Publications
Georgios Katsouleas, Vasiliki Panagakou and Panayiotis Psarrakos. A note on the boundary of the Birkhoff-James epsilon-orthogonality sets. Electronic Journal of Linear Algebra, v. 38 (2022), pp. 32-48.
Georgios Katsouleas, Vasiliki Panagakou and Panayiotis Psarrakos. Eigenvalue Estimates via Pseudospectra. Mathematics 9. 1729. 10.3390/math9151729. (2021)
Vasiliki Panagakou, Panayiotis Psarrakos and Nikos Yannakakis. A Birkhoff-James cosine function for normed linear spaces. Aequationes Mathematicae, v. 95 (2021), pp. 889-914.
Vasiliki Panagakou, Panayiotis Psarrakos and Nikos Yannakakis. Birkhoff-James epsilon-orthogonality sets of vectors and vector-valued
polynomials. Journal of Mathematical Analysis and Applications, v. 454 (2017), pp. 59-78.
Postdoctoral Fellow at the School of Applied Mathematical and Physical Sciences of the National Technical University of Athens, Greece, (Papakyriakopoulos scholarship) (9/2023 -2/2024)
Postdoctoral Fellow at the School of Applied Mathematical and Physical Sciences of the National Technical University of Athens, Greece, (Papakyriakopoulos scholarship) (9/2022 - 2/2023)
Approximation algorithms and randomized methods for large-scale problems in computational linear algebra.
Call for proposals “Researchers’ support with an emphasis on young researchers - 2nd Cycle”.
Research Director: P. Psarrakos, Duration: 06/2020-11/2021
This project was co-financed by Greece and the European Union (European Social Fund - ESF, Operational Programme Human Resources Development, Education and Lifelong Learning 2014–2020)
Teaching Experience
Mathematics I, School of Mining and Metallurgical Engineering, National Technical University of Athens
Analysis I, Meteorology, Hellenic Air Force Academy
Discrete Mathematics, Informatics, Hellenic Air Force Academy
Mathematics II (Linear Algebra), School of Chemical Engineering, National Technical University of Athens
Matrix Theory, School of Applied Mathematical and Physical Sciences, National Technical University of Athens
Analysis II, Meteorology, Hellenic Air Force Academy
Applied Mathematics, Meteorology, Hellenic Air Force Academy
Numerical Analysis, Informatics, Hellenic Air Force Academy
Mathematical Analysis III, School of Applied Mathematical and Physical Sciences, National Technical University of Athens
Mathematics II, Department of Digital Systems, University of Peloponnese
Algorithms and Data Structures, Department of Digital Systems, University of Peloponnese
Languages
Greek (Native)
English (C2)
German (B1)