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Alkmini Sgouritsa
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A little charity guarantees almost envy-freeness
BR Chaudhury, T Kavitha, K Mehlhorn, A Sgouritsa
SIAM Journal on Computing 50 (4), 1336-1358, 2021
1402021
Tight bounds for the price of anarchy of simultaneous first-price auctions
G Christodoulou, A Kovács, A Sgouritsa, B Tang
ACM Transactions on Economics and Computation (TEAC) 4 (2), 1-33, 2016
532016
Improved price of anarchy via predictions
V Gkatzelis, K Kollias, A Sgouritsa, X Tan
Proceedings of the 23rd ACM Conference on Economics and Computation, 529-557, 2022
292022
Fair allocation in graphs
G Christodoulou, A Fiat, E Koutsoupias, A Sgouritsa
Proceedings of the 24th ACM Conference on Economics and Computation, 473-488, 2023
212023
Designing networks with good equilibria under uncertainty
G Christodoulou, A Sgouritsa
SIAM Journal on Computing 48 (4), 1364-1396, 2019
192019
On the efficiency of the proportional allocation mechanism for divisible resources
G Christodoulou, A Sgouritsa, B Tang
Theory of Computing Systems 59, 600-618, 2016
162016
On the efficiency of the proportional allocation mechanism for divisible resources
G Christodoulou, A Sgouritsa, B Tang
International Symposium on Algorithmic Game Theory, 165-177, 2015
162015
Cost-sharing methods for scheduling games under uncertainty
G Christodoulou, V Gkatzelis, A Sgouritsa
Proceedings of the 2017 ACM conference on economics and computation, 441-458, 2017
112017
An improved upper bound for the universal TSP on the grid
G Christodoulou, A Sgouritsa
Proceedings of the Twenty-Eighth Annual ACM-SIAM Symposium on Discrete …, 2017
102017
Pushing the frontier on approximate EFX allocations
G Amanatidis, A Filos-Ratsikas, A Sgouritsa
Proceedings of the 25th ACM Conference on Economics and Computation, 1268-1286, 2024
92024
On the efficiency of all-pay mechanisms
G Christodoulou, A Sgouritsa, B Tang
Algorithms-ESA 2015: 23rd Annual European Symposium, Patras, Greece …, 2015
82015
Mechanism design augmented with output advice
G Christodoulou, A Sgouritsa, I Vlachos
arXiv preprint arXiv:2406.14165, 2024
62024
Designing cost-sharing methods for bayesian games
G Christodoulou, S Leonardi, A Sgouritsa
Algorithmic Game Theory: 9th International Symposium, SAGT 2016, Liverpool …, 2016
62016
Resource-aware protocols for network cost-sharing games
G Christodoulou, V Gkatzelis, M Latifian, A Sgouritsa
Proceedings of the 21st ACM conference on economics and computation, 81-107, 2020
52020
Designing cost-sharing methods for bayesian games
G Christodoulou, S Leonardi, A Sgouritsa
Theory of computing systems 63, 4-25, 2019
52019
Resource-aware cost-sharing mechanisms with priors
V Gkatzelis, E Pountourakis, A Sgouritsa
Proceedings of the 22nd ACM Conference on Economics and Computation, 541-559, 2021
32021
On the efficiency of all-pay mechanisms
G Christodoulou, A Sgouritsa, B Tang
Algorithmica 80 (4), 1115-1145, 2018
22018
Resource-Aware Cost-Sharing Methods for Scheduling Games
G Christodoulou, V Gkatzelis, A Sgouritsa
Operations Research 72 (1), 167-184, 2024
12024
Towards a characterization of worst case equilibria in the discriminatory price auction
E Markakis, A Sgouritsa, A Tsikiridis
International Conference on Web and Internet Economics, 186-204, 2021
12021
On the existence of EFX allocations in multigraphs
A Sgouritsa, MM Sotiriou
arXiv preprint arXiv:2502.09777, 2025
2025
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Artikler 1–20