'Condorcet winner' diaporamas de présentation

Tutorial: Computational Voting Theory

Tutorial: Computational Voting Theory. Vincent Conitzer & Ariel D. Procaccia. Outline. 1. Introduction to voting theory 2. Hard-to-compute rules 3. Using computational hardness to prevent manipulation and other undesirable behavior in elections 4. Selected topics (time permitting).

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Voting Geometry: A Mathematical Study of Voting Methods and Their Properties

Voting Geometry: A Mathematical Study of Voting Methods and Their Properties. Alan T. Sherman Dept. of CSEE, UMBC March 27, 2006. Reference Work. Saari, Donald G., Basic Geometry of Voting, Springer (1995). 300 pages. Distinguished Professor: Mathematics and Economics (UC Irvine)

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Section 2.3: The Condorcet Method

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prof. dr. Lambert Schomaker

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CS 886: Electronic Market Design Social Choice (Preference Aggregation)

CS 886: Electronic Market Design Social Choice (Preference Aggregation). September 20. Social choice theory. Study of decision problems in which a group has to make the decision The decision affects all members of the group Their opinions! should count Applications: Political elections

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Voting Methods

Voting Methods. A presentation by Merin Jose Kashyap Uppuluri Shruti Vangari. Why Voting Methods?. Election statistics!. Implementation. authenticate. Admin Functionalities (1 to 3). User Functionalities (All). Admin Function after Voting. Condorcet Winner Method.

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CPS 296.1 Voting and social choice

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CPS 196.2 Voting and social choice

CPS 196.2 Voting and social choice. Vincent Conitzer conitzer@cs.duke.edu. Voting over outcomes. voting rule (mechanism) determines winner based on votes. >. >. >. >. Voting (rank aggregation). Set of m candidates (aka. alternatives , outcomes )

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Strategy and Effectiveness: An Analysis of Preferential Ballot Voting Methods

Strategy and Effectiveness: An Analysis of Preferential Ballot Voting Methods. Max Tabachnik Advisor: Dr. Hubert Bray April 14, 2011. Contents. Properties Voting Systems Systems and their Properties The Crowding Problem Agreement and Wins Analysis Conclusion

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Condorcet Voting

Condorcet Voting. By: Krystle Stehno. Voting Theory. In voting theory, the goal is to make the largest number of people happy while allowing everyone to vote honestly. http://www.hamburg.mi.us/clerk/images/vote-graphic.png. http://www.mclib.org/voting_booth.gif. Voting Methods.

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Lecture 6

Lecture 6. Spatial models of elections Readings: Shepsle, Analyzing politics, chapter 5. Direct versus indirect democracy. In the previous lecture we asked how individuals vote on policies and what is the outcome of the voting process

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Elections with More Than Two Candidates

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Voting

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Impossibility and Other Alternative Voting Methods

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1.3 More Group Ranking and Paradoxes

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1.3 The Borda Count Method

1.3 The Borda Count Method. The Borda Count Method. In an election of N candidates, give 1 point for the last place, 2 points for the second from last place, and so on to the top of the ballot. A first-place vote is worth N points. Example: Borda Count. Number of voters. 14. 10. 8. 4. 1.

972 views • 5 slides