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Deepest Voting: a new way of electing

Abstract : This article aims to present a unified framework for grading-based voting processes. The idea is to represent the grades of each voter on d candidates as a point in R^d and to define the winner of the vote using the deepest point of the scatter plot. The deepest point is obtained by the maximization of a depth function. Universality, unanimity, and neutrality properties are proved to be satisfied. Monotonicity and Independence to Irrelevant Alternatives are also studied. It is shown that usual voting processes correspond to specific choices of depth functions. Finally, some basic paradoxes are explored for these voting processes.
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https://hal.archives-ouvertes.fr/hal-03192793
Contributor : Irène Gannaz Connect in order to contact the contributor
Submitted on : Friday, December 17, 2021 - 2:45:47 PM
Last modification on : Saturday, September 24, 2022 - 3:36:05 PM

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Jean-Baptiste Aubin, Irène Gannaz, Samuela Leoni-Aubin, Antoine Rolland. Deepest Voting: a new way of electing. Mathematical Social Sciences, 2022, 116, pp.1-16. ⟨10.1016/j.mathsocsci.2021.12.006⟩. ⟨hal-03192793v2⟩

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