Higher Signs for Coxeter Groups
Abstract We define and study cocycles on a Coxeter group in each degree generalizing the sign function. When the Coxeter group is a Weyl group, we explain how the degree three cocycle arises naturally from geometric representation theory.
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| Format: | Article |
| Language: | English |
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Springer Singapore
2021
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| Online Access: | https://hdl.handle.net/1721.1/136730.2 |