Alexandros A. Voudouris

dblp:142/2821 · DBLP profile ↗
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3ranked-venue papers in the field
2as first author
2since 2021 · last 2025
0000-0003-1105-3856ORCID · verified

Domains — venue-derived; a paper can count in several

Other / Interdisciplinary · 3 (2 first)
YearPublicationVenuePosition
2025 Special issue on Economics and Computation
Argyrios Deligkas, Aris Filos-Ratsikas, Alexandros A. Voudouris
Inf. Process. Lett.3
2025 Metric distortion of obnoxious distributed voting
abstract
We consider a distributed voting problem with a set of agents that are partitioned into disjoint groups and a set of obnoxious alternatives. Agents and alternatives are represented by points in a metric space. The goal is to compute the alternative that maximizes the total distance from all agents using a two-step mechanism which, given some information about the distances between agents and alternatives, first chooses a representative alternative for each group of agents, and then declares one of them as the overall winner. Due to the restricted nature of the mechanism and the potentially limited information it has to make its decision, it might not be always possible to choose the optimal alternative. We show tight bounds on the distortion of different mechanisms depending on the amount of the information they have access to; in particular, we study full-information and ordinal mechanisms.
Alexandros A. Voudouris
Inf. Process. Lett.1
2019 A note on the efficiency of position mechanisms with budget constraints
Alexandros A. Voudouris
Inf. Process. Lett.1