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What and Who
Title:Justified representation in multiwinner voting: axioms and algorithms
Speaker:Edith Elkind
coming from:University of Oxford
Speakers Bio:Edith Elkind researches game theory and the computation of social choices. She looks at the decisions involved in multi-agent systems such as auctions, elections and co-operative games.
Event Type:SWS Distinguished Lecture Series
Visibility:D1, D2, D3, INET, D4, D5, SWS, RG1, MMCI
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Level:AG Audience
Language:English
Date, Time and Location
Date:Friday, 19 October 2018
Time:10:30
Duration:60 Minutes
Location:Kaiserslautern
Building:G26
Room:111
Abstract
Suppose that a group of voters wants to select k \ge 1 alternatives from a given set, and each voter indicates which of the alternatives are acceptable to her: the alternatives could be conference submissions, applicants for a scholarship or locations for a fast food chain. In this setting it is natural to require that the winning set represents the voters fairly, in the sense that large groups of voters with similar preferences have at least some of their approved alternatives in the winning set. We describe several ways to formalize this idea, and show how to use it to classify voting rules. For one of our axioms, the only known voting rule that satisfies it is not polynomial-time computable, and it was conjectured that no voting rule that satisfies this axiom can be polynomial-time computable; however, we will show that this is not the case.
Contact
Name(s):Susanne Girard
Video Broadcast
Video Broadcast:YesTo Location:Saarbr├╝cken
To Building:E1 5To Room:029
Meeting ID:
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Created:
Susanne Girard/MPI-SWS, 10/10/2018 12:15 PM
Last modified:
Uwe Brahm/MPII/DE, 10/19/2018 07:01 AM
  • Susanne Girard, 10/10/2018 12:18 PM -- Created document.