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arXiv:math/9811100 [math.RT]AbstractReferencesReviewsResources

Totally nonnegative and oscillatory elements in semisimple groups

Sergey Fomin, Andrei Zelevinsky

Published 1998-11-17Version 1

We generalize the well known characterizations of totally nonnegative and oscillatory matrices, due to F.R.Gantmacher, M.G.Krein, A.Whitney, C.Loewner, M.Gasca, and J.M.Pena to the case of an arbitrary complex semisimple Lie group.

Comments: 10 pages
Categories: math.RT, math.AG, math.CO, math.RA
Subjects: 22E46, 14M15, 15A48, 20F55
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