GREEK
MATHEMATICAL SEMINAR
The Greek Mathematical Seminar is a joint online
seminar of the departments of mathematics of the University of Athens, the University of Crete, the University of Cyprus, the University
of Ioannina, the National Technical
University of Athens, the University of Patras and the Aristotle University of Thessaloniki.
The seminar is held every Wednesday via Zoom.
To be added to the seminar’s mailing list or to
receive the Zoom link for a particular talk, please email Nikos Tziolas at tziolas@ucy.ac.cy.
Organizers:
Panagiotis Batakidis (Aristotle University of Thessaloniki),
Nikos
Frantzikinakis (University of Crete),
Aristides Kontogeorgis (University of Athens),
Sofia Lambropoulou (National Technical University)
Nikolaos
Roidos (University of Patras),
Andreas SavasHalilaj (University of Ioannina),
Antonios Tsolomitis (University
of Aegean),
Nikos Tziolas (University of Cyprus).
Academic year
20212022 Lectures
Past Lectures
DATE 
TIME 
HOST 
SPEAKER 
TITLE 
8 September 2021 
17:00 
Nikos Tziolas 
Maria Chlouveraki Université Paris Saclay 

15 September 2021 
17:00 
Nikos Tziolas 
Panagiotis Polymerakis Max Planck Institute for Mathematics, Bonn. 

22 September
2021 
17:00 
Nikos Tziolas 
Ivan Cheltsov University of
Edinburgh 

29 September
2021 
17:00 
Andreas SavasHalilaj 
Christos Mantoulidis Rice
University 

6 October 2021 
17:00 
Nikos Tziolas 
Georgios Kydonakis University of
Heidelberg 

13 October
2021 
17:00 
Sofia Lambropoulou 
Sotiris Sambanis University of
Edinburgh 
A review of recent advances of Euler's polygonal
approximation 
20 October
2021 
17:00 
Nikos Roidos 
Stefanos Aretakis University of
Toronto. 

27 October
2021 
17:00 
Nikos Tziolas 
Xenia Spilioti University of Aarhus 
Fried 's conjecture and dynamical zeta functions of Selberg
and Ruelle on locally symmetric spaces. 
3 November
2021 
17:00 
Antonis Tsolomitis 
Grigoris Paouris Texas AM
University 

10 November
2021 
17:00 
Antonis Tsolomitis 
Evgenios Kakariadis Newcastle
University 

17 November
2021 
17:00 
Nikos Tziolas 
Christoforos Neofytidis Ohio State University 
CANCELLED. 
24 November
2021 
17:00 
Antonis Tsolomitis 
Petros Valettas University of
Missouri 

1 December
2021 
17:00 
Nikos Tziolas 
Evis Ieronymou University of
Cyprus 
BrauerManin obstruction and
zerocycles on certain varieties 
8 December
2021 
17:00 
Panagiotis Batakidis 
Georgios Dimitroglou Rizell Uppsala University 
Symplectic
topology of cotangent bundles and exotic differentiable structures on spheres 
15 December
2021 
17:00 
Andreas SavasHalilaj 
Athanasios Chatzikaleas University of Munster 

12 January
2022 
17:00 
Sofia Lambropoulou 
University of Illinois at Chicago 

19 January 2022 
17:00 
Nikos Tziolas 
Christoforos Neofytidis Ohio State University 
Aspherical
manifolds and endomorphisms of their fundamental groups 
26 January 2022 
17:00 
Nikos Frantzikinakis 
Efthymios Sofos University of Glasgow 
Prime values of
integer polynomials and random Diophantine equations 
2 February
2022 
17:00 
Nikos Roidos 
Panayotis Smyrnelis Basque Center for
Applied Mathematics 

9 February
2022 
17:00 
Andreas SavasHalilaj 
Konstantinos Zemas University of Münster 
Rigidity estimates for isometric and
conformal maps on the sphere 
16 February
2022 
17:00 
Nikos Frantzikinakis 
Dimitrios Ntalampekos Stony Brook University 

23 February
2022 
17:00 
Nikos Frantzikinakis 
Alexandros Eskenazis University of Cambridge 

2 March 2022 
17:00 
Nikos Tziolas 
Christopher Hacon University of
Utah 

9 March 2022 
17:00 
Nikos Roidos 
Georgios Sakellaris Aristotle University of Thessaloniki 

16 March 2022 
17:00 
Sofia Lambropoulou 
Colin Adams Williams College 

30 March 2022 
17:00 
Antonis Tsolomitis 
Michael Roysdon Tel Aviv University 
Measure theoretic
RogersShephard and Zhang type inequalities. 
13 April 2022 
17:00 
Nikos Frantzikinakis 
Giorgis Petridis University of Georgia 

27 April 2022 
17:00 
Nikos Roidos 
Grigorios Fournodavlos Princeton University 

4 May 2022 
17:00 
Nikos Tziolas 
Georgios Moschidis University of California at Berkeley 
Η
αστάθεια του
χώρου AdS για το
σύστημα
εξισώσεων Einsteinβαθμωτού
πεδίου. 
11 May 2022 
17:00 
Antonis Tsolomitis 
Pavlos Motakis York University, Toronto 

18 May 2022 
17:00 
Nikos Tziolas 
Rice University 

25 May 2022 
17:00 
Panagiotis Batakidis 
Alexandre Afgoustidis CNRS 
TBA 
1 June 2022 
17:00 
Panagiotis Batakidis 
Michael Savvas University of Texas at Austin 
TBA 
8 June 2022 
17:00 
Nikos Frantzikinakis 
Evita Nestoridi Princeton University 
TBA 
15 June 2022 
17:00 
Sofia Lambropoulou 
Evangelia Gazaki University of Virginia 
TBA 
22 June 2022 
17:00 
Sofia Lambropoulou 
Zoi Rapti University of Illinois at UrbanaChampaign 
TBA 