28 citations · 29 across the 7 of their papers we have counts for
11 papers · 1 filter
Envy Cycle Elimination with Strategic Agents: Best Responses and Fairness Guarantees
Georgios Amanatidis, Georgios Birmpas, Rebecca Reiffenhäuser
With strong evidence in the literature showing that fairness and truthfulness are incompatible, there is a recent line of work focusing on the fairness properties of equilibria of…
Position Auctions with a Capacity Constraint
Eleni Batziou, Georgios Birmpas, Georgios Chionas +1
Sponsored search auctions are commonly modeled as an assignment of a fixed set of slots (positions) to a set of advertisers, with welfare maximization being reducible to a standard…
Reward Schemes and Committee Sizes in Proof of Stake Governance
Georgios Birmpas, Philip Lazos, Evangelos Markakis +1
In this paper, we investigate the impact of reward schemes and committee sizes motivated by governance systems over blockchain communities. We introduce a model for elections with…
Decentralised Update Selection with Semi-Strategic Experts
Georgios Amanatidis, Georgios Birmpas, Philip Lazos +1
Motivated by governance models adopted in blockchain applications, we study the problem of selecting appropriate system updates in a decentralised way. Contrary to most existing vo…
Fair Division of Indivisible Goods: A Survey
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas +1
Allocating resources to individuals in a fair manner has been a topic of interest since the ancient times, with most of the early rigorous mathematical work on the problem focusing…
A Few Queries Go a Long Way: Information-Distortion Tradeoffs in Matching
Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas +1
We consider the one-sided matching problem, where n agents have preferences over n items, and these preferences are induced by underlying cardinal valuation functions. The goal is…