A Survey of Total Positivity

Author(s)
Lusztig, G; 
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Abstract
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.
Date issued
2008-02-13
URI
https://hdl.handle.net/1721.1/140228
Department
Massachusetts Institute of Technology. Department of Mathematics
Journal
Milan Journal of Mathematics
Publisher
Springer Nature America, Inc
Citation
Lusztig, G. A Survey of Total Positivity. Milan j. math. 76, 125–134 (2008)
Version: Original manuscript
ISSN
1424-9286
1424-9294
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