Research

I work on mechanism design, learning-augmented algorithms, and communication complexity.

For my full publication record, see DBLP or Google Scholar.

Selected work

Learning-Augmented Coordination Mechanisms

George Christodoulou, Vasilis Christoforidis, Alkmini Sgouritsa, and Ioannis Vlachos
NeurIPS 2026 · Accepted

George Christodoulou, Vasilis Christoforidis, Alkmini Sgouritsa, and Ioannis Vlachos
The ACM Web Conference (WWW) 2026

The Communication Complexity of Combinatorial Auctions in Graphs

George Christodoulou, Elias Koutsoupias, Annamária Kovács, and Ioannis Vlachos
STACS 2026

Mechanism Design Augmented with Output Advice

George Christodoulou, Alkmini Sgouritsa, and Ioannis Vlachos
NeurIPS 2024 · Spotlight

Teaching

At the Athens University of Economics and Business, I have supported undergraduate teaching in:

Game and Decision Theory
Teaching assistant
Introduction to Computer Science
Lab assistant
Data Structures
Lab assistant