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The infinitesimal cone of a totally positive semigroup |
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| Authors: | Konstanze Rietsch |
| Affiliation: | Department of Mathematics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 |
| Abstract: | Given a complex reductive linear algebraic group split over  with a fixed pinning, it is shown that all elements of the Lie algebra  infinitesimal to the totally positive subsemigroup  of  lie in the totally positive cone  . |
| Keywords: | Total positivity linear algebraic groups |
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