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03/10/2015 - 12:15pm

Speaker:

Karl-Dieter Crisman (Gordon College)

Abstract:

Those studying the mathematics of voting and choice have long used whatever tools are necessary to explain paradoxes - from dynamical systems to Voronoi diagrams. Recently, graph theory has proved to be quite useful in modeling situations where there are natural symmetry relationships between options in a given choice setup. We will see some recent results (including some due to HMC faculty) answering questions about voting for rank-orderings of candidates and committees. Then we will explore how graphs can be used to answer questions you didn't even know you had about ranking *cyclic* orders - such as how to seat people at a round table!

Where:

MDSL 126