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Lifting of outer actions of groups

✍ Scribed by Fang Zhou; He Guo Liu


Book ID
106278646
Publisher
Institute of Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society
Year
2010
Tongue
English
Weight
188 KB
Volume
26
Category
Article
ISSN
1439-7617

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This paper studies maps which are invariant under the action of the symmetry group Sk. The problem originates in social choice theory: there are k individuals each with a space of preferences X, and a social choice map : X k ~ X which is anonymous i.e. invariant under the action of a group of symmet