Graduiertenkolleg: Methods for Discrete Structures

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Monday Lecture and Colloquium

Monday, January 22, 2018

Technische Universität Berlin
Institut für Mathematik
Straße des 17. Juni 136
10623 Berlin
room MA 041

Lecture - 14:15

Markus Brill - TU Berlin

Approval Voting, Proportional Representation, & Liquid Democracy

In this talk, I will survey recent results concerning the proportional representation of voters in approval-based committee elections. In this setting, voters express their preferences over a set of candidates by specifying, for each candidate, whether they approve ("like") that candidate or not. Based on these approval votes, a fixed-size subset of winning candidates needs to be selected.

I will also discuss proportional rankings, where the goal is to rank-order the candidates in a way that is representative of voters' preferences. As an example application scenario where such rankings are desirable, I will briefly outline some ideas related to "liquid democracy", an exciting new paradigm for collective decision making with many participants.

Colloquium - 16:00



Letzte Aktualisierung: 09.01.2018