Dr. Zafeirakis Zafeirakopoulos

I am a mathematician spending most of my time designing or implementing algorithms. I hold a Ptychion (4-year degree) in Mathematics and an MSc. in Computational Science from the University of Athens. I was awarded a PhD from the Johannes Kepler University in Linz, under the supervision of Prof. Paule (Research Institute for Symbolic Computation - RISC, Austria) and Prof. Matthias Beck (San Francisco State University, USA). Later, I held post-doctoral positions at RISC, ΕρΓΑ and Galatasaray University. After 8 years at the Institute of Information Technologies of Gebze Technical University and 2 years in University of Geneva, I returned to the mathematics department of the University of Athens.

Publications with ALCYON

1. preprint

   Small Resultant Systems via Linear Combinations

   Mahmut Levent Doğan, Elias Tsigaridas, Zafeirakis Zafeirakopoulos

   arXiv:2607.29308, 2026

2. preprint

   Resultant multiplicity via projective degrees and applications to tensor eigenvalues

   Mahmut Levent Doğan, Elias Tsigaridas, Zafeirakis Zafeirakopoulos

   arXiv:2609.01268, 2026

3. journal

   A Julia Package for Polyhedral Omega and Applications

   Tülay Ayyıldız, Deniz Naz Demirel, İsmail Tapan, Zafeirakis Zafeirakopoulos

   ACM Communications in Computer Algebra 58(2) (ISSAC 2024 software presentation), 2024

4. journal

   PTOPO: Computing the geometry and the topology of parametric curves

   Christina Katsamaki, Fabrice Rouillier, Elias P. Tsigaridas, Zafeirakis Zafeirakopoulos

   Journal of Symbolic Computation, 2023 · PDF

5. book

   Special Issue for the 27th International Conference on Applications of Computer Algebra (ACA 2022, Istanbul), Selected papers

   Michela Ceria, Ilias Kotsireas, Teo Mora, Zafeirakis Zafeirakopoulos (eds.)

   Applicable Algebra in Engineering, Communication and Computing, 2023

6. book

   Mathematical Aspects of Computer and Information Sciences - 8th International Conference, MACIS 2019

   Daniel Slamanig, Elias P. Tsigaridas, Zafeirakis Zafeirakopoulos

   Springer LNCS, 2020

7. conference

   PTOPO - a maple package for the topology of parametric curves

   Christina Katsamaki, Fabrice Rouillier, Elias P. Tsigaridas, Zafeirakis Zafeirakopoulos

   ACM Communications in Computer Algebra (ISSAC 2020 software presentation), 2020

8. conference

   On the geometry and the topology of parametric curves

   Christina Katsamaki, Fabrice Rouillier, Elias P. Tsigaridas, Zafeirakis Zafeirakopoulos

   ISSAC 2020, 2020

9. conference

   A Machine Learning Framework for Volume Prediction

   Umutcan Önal, Zafeirakis Zafeirakopoulos

   Analysis of Experimental Algorithms - SEA 2019, 2019

10. conference

    Experimental Study of the Ehrhart Interpolation Polytope

    Vissarion Fisikopoulos, Zafeirakis Zafeirakopoulos

    Mathematical Aspects of Computer and Information Sciences - MACIS 2017, 2017

11. journal

    Polyhedral Omega: a New Algorithm for Solving Linear Diophantine Systems

    Felix Breuer, Zafeirakis Zafeirakopoulos

    Annals of Combinatorics, 2017 · PDF

12. journal

    Efficient computation of dual space and directional multiplicity of an isolated point

    Angelos Mantzaflaris, Hamid Rahkooy, Zafeirakis Zafeirakopoulos

    Computer Aided Geometric Design 47, 2016 · PDF

13. conference

    On the space of Minkowski summands of a convex polytope

    Ioannis Z. Emiris, Anna Karasoulou, Eleni Tzanaki, Zafeirakis Zafeirakopoulos

    EuroCG '16, 2016 · PDF

14. journal

    Generating Functions and Triangulations for Lecture Hall Cones

    Matthias Beck, Benjamin Braun, Matthias Köppe, Carla D. Savage, Zafeirakis Zafeirakopoulos

    SIAM Journal on Discrete Mathematics, 2016 · PDF

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