CURRICULUM VITAE
GIANNIS POLYCHROU
Email : ipolychr@math.auth.gr (My PhD Email) , polychrou.ioannis@ucy.ac.cy (My new Email adress)
Website: https://sites.google.com/view/giannis-polychrou/homepage
Teams : Giannis Polychrou
Orcid: https://orcid.org/0000-0002-7808-5775
ResearchGate: https://www.researchgate.net/profile/Giannis-Polychrou
EDUCATION
• 10/2020 – 06/2024: PhD in Mathematics, Aristotle University of Thessaloniki,
PhD Thesis: Sinh-Gordon type equations and harmonic maps.
https://www.didaktorika.gr/eadd/handle/10442/56857
Thesis defended on 25/04/2024, Grade: Excellent.
Supervisors: Anestis Fotiadis and Constantinos Daskaloyiannis
• 10/2017 – 06/2019: MSc Mathematics in Pure Mathematics, Aristotle University of Thessaloniki (Grade 9.1 “Excellent”).
Master Thesis: Harmonic maps and Sine-Gordon type equations.
Supervisors: Anestis Fotiadis and Constantinos Daskaloyiannis
• 10/2013 – 07/2017: Bachelor's Degree in Mathematics, Aristotle University of Thessaloniki
POSITIONS
09/2025 - : Special Scientist, Department of Mathematics and Statistics, University of Cyprus
10/2024 - 09/2025: PostDoc, Department of Mathematics, Aristotle University of Thessaloniki
Project: Harmonic maps in higher dimensions, Exponential harmonic maps, Sine-Gordon type equations, Sine-Gordon equation with variable coefficients.
03/2024 - 07/2025: Temporary Lecturer, Department of Mathematics at Lamia, University of Thessaly
October 2024: Visitor in the University of Warsaw, Faculty of Mathematics, Hosts: Kasia Mazowiecka and Remy Rodiac
RESEARCH
Preprint
Fotiadis A., Polychrou G., Explicit harmonic and wave maps into variable-curvature surfaces. Preprint, https://arxiv.org/abs/2512.18376
Articles
Polychrou G. Functional separation solutions of the sinh-Gordon type equations. Canadian Mathematical Bulletin. 2025;68(4):1374-1388. https://doi:10.4153/S0008439525100799
Polychrou, G., Papageorgiou, E., Fotiadis, A. et al. New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation. Rev Mat Complut 37, 833–859 (2024). https://doi.org/10.1007/s13163-023-00476-z
Polychrou G., Solutions of the sinh-Gordon and sine-Gordon equations and applications. J Elliptic Parabol Equ 9, 611–625 (2023). https://doi.org/10.1007/s41808-023-00214-y
GRANTS
Research Reboot / Research in Pairs - Scheme 4, London Mathematical Societ,
Visitor at the University of Heriot-Watt Host: Georgios Papamikos
Project: Boyer-Finley equation and Heavenly metrics.
AWARDS
Prize for new scientists of Faculty of Science, Aristotle University of Thessaloniki, Academia year 2022 – 2023.
TEACHING EXPERIENCE
Summer semester of 2025 - 2026: Engineering Mathematics I (Introduction to Calculus), Department of Mathematics & Statistics, University of Cyprus.
Summer semester of 2025 - 2026: Elements of Linear Algebra, , Department of Mathematics & Statistics, University of Cyprus.
Spring semester of 2025 - 2026: Seminar for Postgraduate students, Topics on Functional Analysis, Department of Mathematics & Statistics, University of Cyprus.
Spring semester of 2025 - 2026: Calculus for Computer science II, Department of Mathematics & Statistics, University of Cyprus.
Spring semester of 2025 - 2026: Engineering for Mechanics III (ODEs), Department of Mathematics & Statistics, University of Cyprus.
Spring semester of 2025 - 2026: Introduction to Mathematics II (for Business school), Department of Mathematics & Statistics, University of Cyprus.
Winter semester of 2025 - 2026: Exercise hours Calculus II, Department of Mathematics & Statistics, University of Cyprus.
Winter semester of 2025 - 2026: Engineering Mathematics I (Introduction to Calculus), Department of Mathematics & Statistics, University of Cyprus.
Winter semester of 2025 - 2026: Engineering for Mechanics III (ODEs), Department of Mathematics & Statistics, University of Cyprus.
Spring semester of 2024 - 2025: Special Topics in Analysis II (Measure Theory and Harmonic Analysis), Department of Mathematics at Lamia, University of Thessaly.
Spring semester of 2024 - 2025: Special Topics in Computational and Applied Mathematics II (Introduction to PDEs), Department of Mathematics at Lamia, University of Thessaly.
Winter semester of 2022 – 2023: Exercise hours Calculus I, Department of Mathematics of Aristotle University of Thessaloniki.
Spring semester of 2021 - 2022: Exercise hours Ordinary Differential Equations, Department of Mathematics of Aristotle University of Thessaloniki.
Spring semester of 2016 - 2017: Exercise hours Calculus II, Department of Mathematics of Aristotle University of Thessaloniki.
TALKS
19th Panhellenic Conference of Mathematical Analysis, National Technical University of Athens, Greece, 2025.
Talk: Harmonic maps between pseudo-Riemannian surfaces.
Seminar of Mathematical Analysis, Aristotle University of Thessaloniki, November 2023.
Talk: Sinh-Gοrdon equation and harmonic maps.
PhD Students’ Day, Department of Mathematics, Aristotle University of Thessaloniki, December 2023.
Talk: An introduction to harmonic maps between surfaces and construction of new examples.
18th Panhellenic Conference of Mathematical Analysis, September 2024, Xanthi, Greece.
Talk: Exact solutions of the sinh-Gordon type equations.
16th Panhellenic Geometry Conference, September 2024, Athens, Greece.
Talk: New examples of harmonic maps to the hyperbolic plane via Bäcklund transformation.
Seminar of Mathematical Physics Equations Group, University of Warsaw, Faculty of Mathematics, October 2024
Talk: Sinh-Gordon equations and harmonic maps
SEMINARS/ CONFERENCES/ SUMMER SCHOOLS
§ Summer School of Geometric Flows 2022, IAMC-FORTH, Hrakleio, Crete
§ International PDE Conference 2022, University of Oxford, Oxford, UK
§ 15th Panhellenic Geometry Conference, Mathematic Department of Ioannina, Ioannina, September 2022.
§ 17th Panhellenic Conference of Mathematical Analysis, University of Cyprus, Nikosia, September 2022.
§ Advanced Courses in Operator Theory and Complex Analysis (ACOTCA), Thessaloniki, June 2023.
§ Summer school, Geometric Analysis and PDEs, Checiny, Poland, July 2023.
Poster: Sinh-Gordon equation and harmonic maps.
§ Hausdorff school, Analysis of PDEs: Geometric and Variational Perspectives, July 2023.
Poster: Sinh-Gordon equation and harmonic maps.
§ Research school: Bridging PDEs and Geometric flow, Cardiff, July 2024.
§ Summer school, Geometric Analysis and PDEs, Bedlewo, Poland, July 2024.
Poster: Exact solutions of the sinh-Gordon type equations.
§ Partial Differential Equations Conference, Athens, June 2025
§ Summer school, Geometric Analysis and PDEs, Checiny, Poland, June 2025.
Poster: Harmonic maps between pseudo-Riemannian surfaces.
§ Regularity Aspects of elliptic and parabolic PDE, Thessaloniki, Greece, 2025
LANGUAGES
English
Certificate of Proficiency in English (CPE), Level C2, May 2019
(Pass at Grade C, Overall Score 207)
German
B2 Zertifikat of Goethe, June 2023