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Institute for Logic, Language and Computation


28 October 2010, Computational Social Choice Seminar, Sara Uckelman

Speaker: Sara Uckelman
Title: Strategy and Manipulation in Medieval Elections
Date: Thursday 28 October 2010
Time: 16:00
Location: Room A1.14, Science Park 904, Amsterdam

Abstract

When developing electoral protocols, desiderata include a system which is transparent, non-manipulable, honest, and not open to strategizing. However, these desiderata are in tension with each other: Often, transparent electoral procedures are the least strategy resistant, and many honest procedures encourage manipulation. Thus, a balance between these different goals must be sought. In modern times, since the seminal result on vote manipulation, the Gibbard-Satterthwaite Theorem, much attention has been devoted to developing voting rules where manipulation is never in the best interest of the voters, or which are computationally too complex for the average bounded agent to be able to manipulate. In medieval times, such computational routes were generally not available, meaning that other constraints had to be put in place to discourage strategizing and manipulation. We discuss various voting rules and electoral procedures used in the Middle Ages in both ecclesiastical and secular context, highlighting some protocols with unique properties.

For more information, see http://www.illc.uva.nl/~ulle/seminar/ or contact Ulle Endriss ().


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