A Survey of Total Positivity
This paper contains an exposition of the classical work of Schoenberg and Gantmacher, Krein on the theory of totally positive matrices. It also contains a generalization of this theory to the Lie theoretic context and an application to the recent results of Fock and Goncharov on Teichmüller theory.
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| Format: | Article |
| Language: | English |
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Springer Nature America, Inc
2022
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| Online Access: | https://hdl.handle.net/1721.1/140228 |