Pstdoctoral Researchers (AUEB)
Thanasis Lianeas, December 2024 - December 2025, (now Assistant Professor at the University of West Attica, Greece)
In project “Algorithm Design for Fair Division” (ADFD), funded by the Hellenic Foundation for Research and Innovation (H.F.R.I) under the Call “Basic Research Financing (Horizontal support for all Sciences), National Recovery and Resilience Plan (Greece 2.0), resulting in the following paper:
EFX Allocation in (Multi)Hypergraphs
T. Lianeas, A. Sgouritsa, M. M. Sotiriou
40th Annual AAAI Conference on Artificial Intelligence 2026.
Michalis Samaris, April 2025 - December 2025
In project “Algorithm Design for Fair Division” (ADFD), funded by the Hellenic Foundation for Research and Innovation (H.F.R.I) under the Call “Basic Research Financing (Horizontal support for all Sciences), National Recovery and Resilience Plan (Greece 2.0), resulting in the following (unpublished) work:
Envy Cycle Elimination with Strategic Agents
E. Markakis, M. Samaris, A. Sgouritsa
PhD Candidates
Minas Marios Sotiriou, April 2025 - present, Athens University of Economics and Business
Topic: "Resource allocation in multi-agent systems"
EFX Allocations on Multigraphs
G. Christodoulou, S. Mastrakoulis, A. Sgouritsa, M. M. Sotiriou
27th ACM Conference on Economics and Computations (EC) 2026.
EFX Allocation in (Multi)Hypergraphs
T. Lianeas, A. Sgouritsa, M. M. Sotiriou
40th Annual AAAI Conference on Artificial Intelligence 2026.
Ioannis Vlachos, October 2023 - present, Athens University of Economics and Business
Topic: "Algorithmic Game Theory with Learning"
Improving the Price of Anarchy via Predictions in Parallel-Link Networks
G. Christodoulou, V. Christoforidis, A. Sgouritsa, I. Vlachos
35th ACM Web Conference (WWW) 2026.
The Communication Complexity of Combinatorial Auctions in Graphs
G. Christodoulou, E. Koutsoupias, Annamária Kovács, I. Vlachos
43rd International Symposium on Theoretical Aspects of Computer Science (STACS) 2026.
Mechanism design augmented with output advice
G. Christodoulou, A. Sgouritsa, I. Vlachos
38th Annual Conference on Neural Information Processing Systems (NeurIPS-spotlight) 2024.
Vasilis Christoforidis (co-supervisor), June 2024 - present, Aristotle University of Thessaloniki
Topic: "Algorithmic Game Theory and Fairness"
Improving the Price of Anarchy via Predictions in Parallel-Link Networks
G. Christodoulou, V. Christoforidis, A. Sgouritsa, I. Vlachos
35th ACM Web Conference (WWW) 2026.
Maximin Share Guarantees for Few Agents with Subadditive Valuations
G. Christodoulou, V. Christoforidis, S. Mastrakoulis, A. Sgouritsa
34th International Joint Conference on Artificial Intelligence (IJCAI) 2025.
On the Pursuit of EFX for Chores: Non-existence and Approximations
V. Christoforidis, C. Santorinaios:
33rd International Joint Conference on Artificial Intelligence (IJCAI) 2024.
Postgraduate Students (AUEB)
Minas Marios Sotiriou (June 2024 - May 2025)
In project “Algorithm Design for Fair Division” (ADFD), funded by the Hellenic Foundation for Research and Innovation (H.F.R.I) under the Call “Basic Research Financing (Horizontal support for all Sciences), National Recovery and Resilience Plan (Greece 2.0), resulting in the following paper:
On the Existence of EFX Allocations in Multigraphs
A. Sgouritsa, M. M. Sotiriou
24th International Conference on Autonomous Agents and MultiAgent Systems (AAMAS) 2025.
Ioannis Kakatelis (April 2025 - December 2025)
In project “Algorithm Design for Fair Division” (ADFD), funded by the Hellenic Foundation for Research and Innovation (H.F.R.I) under the Call “Basic Research Financing (Horizontal support for all Sciences), National Recovery and Resilience Plan (Greece 2.0), resulting in the following (unpublished) work:
Almost EFX in Hypergraphs
T. Lianeas, I. Kakatelis, A. Sgouritsa, M. M. Sotiriou
Konstantinos Kivotos (2024-2025)
"Development of web application implementing Fair Division algorithms"
Ioannis Bekiaris (2024-2025)
"Extrapolate Equilibria and Strategic behavior using LLMs"
Undergraduate Students (AUEB)
Epameinondas Theodorou (2025-2026)
"Predictive Modeling and Value Betting in Football: A Stacking Ensemble and Adaptive Kelly Criterion Approach"
Primary Supervisor of Internships
Mohamad Latifian
Internship for postgraduate student at the Max Planck University for Informatics, Saarbrücken, Germany, May-June 2019, resulting in the following paper:
Resource-Aware Protocols for Network Cost-Sharing Games
G. Christodoulou, V. Gkatzelis, M. Latifian, A. Sgouritsa
21st ACM Conference on Economics and Computations (EC) 2020.
Primary Supervisor of Postgraduate Projects (University of Liverpool)
Akhil Raj (2021-2022)
"Mobile App of the NIM game"
Tyler Jay, Rahul Kothari and Matthew Neersoo (2020-2021)
"TSP with only right turns"
Konstantinos Chatzikostas (2019-2020)
"Auctions with bundle-bidding option"
Mohammad Taha Safdar Ali Khan (2019-2020)
"Splitting goods in a fair way"
Nincy Jolly (2021-2022) - with a Year in Industry
Placement in Sainbury's supermarket
Secondary Supervisor of Postgraduate Projects (University of Liverpool)
Andrew Frisby (2021-2022)
"Detecting Gerrymandering with Convolutional Neural Networks"
Janani Thiruppathi (2021-2022)
"Online platform for Matching Under Preferences"
Nathaniel Cheung (2021-2022)
"An Online Solver for Fair Division - Cake Cutting"
Junliang Meng (2021-2022)
"An Online Solver for Fair Division - Cake Cutting"
Rufus Walkden (2021-2022)
"Using Theorem Provers for the Verification of Timed Automata"
Chenyang Zhang (2019-2020)
"Algorithms for Social Choice in Realistic Scenarios"
James Cunningham (2019-2020)
"Online Board Game Design"
Primary and Secondary Supervisor of several Undergraduate Projects (University of Liverpool)