archimedes-Artificial Intelligence, Data Science, Algorithms-greece

 
Artificial Intelligence
 
Data Science
 
Algorithms

20th Athens Colloquium on Algorithms and Complexity

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Date
2025-08-25
Venue
NTUA, Zografou campus, Athens, Greece
Website
https://www.corelab.ntua.gr/acac25/

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The Athens Colloquium on Algorithms and Complexity (ACAC) is an annual meeting in Athens aiming to bring together researchers working in all areas of the theory of algorithms and computational complexity. It serves as a lively forum for presenting research results that are in a preliminary stage or have been recently accepted / presented in some major conference. Contributions may appear, fully or partially, in informal electronic proceedings available only to the participants (subject to authors' approval). The language of the workshop is English.


Program


Duration: 2 days - August 25-26, 2025

Progam link: https://www.corelab.ntua.gr/acac25/#program

Place: National Technical University of Athens (NTUA) premises, Multimedia Amphitheater, Central Library Ground Floor, Zografou campus, Athens, Greece

 

Keynote Talks


Contributed Talks

 

Registration


There are no registration fees.

However, participants should register for administrative purposes, by filling the registration form no later than August 20, Wednesday.

 

Venue

The 20th Athens Colloquium on Algorithms and Complexity (ACAC) will take place at the Multimedia Amphitheater, Central Library Ground Floor, Zografos campus of the National Technical University of Athens (NTUA), Greece.

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You can arrive at the Central Library by various ways:

By public transport:

The easiest way is by taking the Blue Metro line (map) and getting off at the "ΚΑΤΕΧΑΚΗ" station. Then take the bus 242, get off at stop "ΘΥΡΩΡΕΙΟ" (you get off at the first stop inside the Campus) and walk 3 minutes towards the Central Library.

Another option is to take the bus 140 from the "ΚΑΤΕΧΑΚΗ" metro station and get off at stop "ΠΟΛΥΤΕΧΝΕΙΟΥΠΟΛΗ". Then get into the campus and walk 7 minutes towards the Central Library.

By taxi:

Taxi from the Katechaki ("ΚΑΤΕΧΑΚΗ") Station to NTUA will cost aproximately 7-10 €.

By car (or any other means):

Please use this google map to get directions to the conference venue.



Organizers


Organizing & Scientific Committee

  • Dimitris Fotakis
  • Nikos Leonardos
  • Evangelos Markakis
  • Aris Pagourtzis
  • Alkmini Sgouritsa
  • Stathis Zachos
  • Vassilis Zissimopoulos


Organization

  • Dimitris Lazarou
  • Giannis Pavlovic
  • Ioanna Protekdikou


Local Arrnagements

  • Antonis Antonopoulos
  • Pourandokht Behrouz
  • Sotiris Kanellopoulos
  • Christos Pergaminelis
  • Thanos Tolias


Co-Organizers

Archimedes, Athena Research Center, Greece
School of Electrical & Computer Engineering of the National Technical University of Athens (NTUA), Greece
Institute of Communication and Computer Systems of the National Technical University of Athens.

 

For any further details please contact the organizers by email to This email address is being protected from spambots. You need JavaScript enabled to view it..

 

 
 

Vision

To position Greece as a leading player in AI and Data Science

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Mission

To build an AI Excellence Hub in Greece where the international research community can connect, groundbreaking ideas can thrive, and the next generation of scientists emerges, shaping a brighter future for Greece and the world

 

Welcome to ARCHIMEDES, a vibrant research hub connecting the global AI and Data Science research community fostering groundbreaking research in Greece and beyond. Its dedicated core team, comprising lead researchers, affiliated researchers, Post-Docs, PhDs and interns, is committed to advancing basic and applied research in Artificial Intelligence and its supporting disciplines, including Algorithms, Statistics, Learning Theory, and Game Theory organized around 8 core research areas. By collaborating with Greek and Foreign Universities and Research Institutes, ARCHIMEDES disseminates its research findings fostering knowledge exchange and providing enriching opportunities for students. Leveraging AI to address real-world challenges, ARCHIMEDES promotes innovation within the Greek ecosystem and extends its societal impact. Established in January 2022, as a research unit of the Athena Research Center with support from the Committee Greece 2021, ARCHIMEDES is funded for its first four years by the EU Recovery and Resilience Facility (RRF).

 
 

NEWS

 
Former Archimedes Intern Receives the EETN Best Doctoral Thesis Award for 2025

Former Archimedes Intern Receives the EETN Best Doctoral Thesis Award for 2025

9 March 2026

Georgios Papasotiropoulos, a former intern of the Archimedes unit of the Athena Research Center, Greece, received the Hellenic Artificial Intelligence Society's (EETN) Best Doctoral Thesis Award for the year 2025. His doctoral thesis was on "Algorithmic and Game-Theoretic Aspects of Computational Social Choice" and his supervisor was Vangelis Markakis, a Professor at the Department of Informatics of the Athens University of Economics & Business (AUEB), Greece and a Lead Researcher at the Archimedes research unit in AI, Data Sciences, and Algorithms of the Athena Research Center in Athens, Greece.

Archimedes Seminar by Nikos Paragios on

Archimedes Seminar by Nikos Paragios on "Seeing the Invisible - Doing the Impossible: AI-powered diagnosis, treatment and beyond"

12 February 2026

On Monday 16 February, 2026, from 2:00 pm to 3:30 pm, at the Archimedes Amphitheatre (1 Artemidos Street, 15125, Marousi, Archimedes, Athena Research Center, Greece), Professor Nikos Paragios, Distinguished Professor of Mathematics, University of Paris-Saclay, France, and Chief Executive and Technical Officer, TheraPanacea, Paris, France, will deliver an Archimedes Seminar on "Seeing the Invisible - Doing the Impossible: AI-powered diagnosis, treatment and beyond".

Τhe Ambassador of Australia to Greece visits Archimedes!

Τhe Ambassador of Australia to Greece visits Archimedes!

11 February 2026

On Wednesday, 11 February 2026, the Ambassador of Australia to Greece, Mrs. Alison Duncan, visited the Archimedes Research Unit at the Athena Research Center in Greece and had a very productive meeting with Professor Timos Sellis, Director of the Archimedes Research Unit.

Archimedes AGT Afternoon Event (ΑAGTA) will take place on 4 February 2026 at Archimedes premises

Archimedes AGT Afternoon Event (ΑAGTA) will take place on 4 February 2026 at Archimedes premises

2 February 2026

Archimedes AGT Afternoon Event (ΑAGTA) is a newly-established scientific event, focusing on Algorithmic Game Theory and Artificial Intelligence. The first AAGTA workshop will take place on 4 February 2026 at the Archimedes Amphitheatre at Archimedes Unit, Athena Reseach Center, Greece, and will feature two keynote speeches: one by Prof. Paul Goldberg of the University of Oxford, UK, and one by Prof. Christos Papadimitriou of Columbia University, USA and Archimedes Unit, Athena Reseach Center, Greece.

Archimedes Seminar by Michael I. Jordan on

Archimedes Seminar by Michael I. Jordan on "Nonnegative Supermartingales, Sequential Testing, and Statistical Contract Theory"

28 January 2026

On Tuesday 10 February, 2026, from 3:00 pm to 5:00 pm, at the Archimedes Amphitheatre (1 Artemidos Street, 15125, Marousi, Archimedes, Athena Research Center, Greece), Michael I. Jordan, Researcher at Inria Paris, France, and Professor Emeritus in the Department of Electrical Engineering & Computer Science, and in the Department of Statistics at the University of California, Berkeley, USA, will deliver an Archimedes Seminar on "Nonnegative Supermartingales, Sequential Testing, and Statistical Contract Theory."

More news items here
 
 

The project “ARCHIMEDES Unit: Research in Artificial Intelligence, Data Science and Algorithms” with code OPS 5154714 is implemented by the National Recovery and Resilience Plan “Greece 2.0” and is funded by the European Union – NextGenerationEU.

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