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arXiv:math/0407408 [math.AG]AbstractReferencesReviewsResources

Rational functions and real Schubert calculus

A. Eremenko, A. Gabrielov, M. Shapiro, A. Vainshtein

Published 2004-07-23Version 1

We single out some problems of Schubert calculus of subspaces of codimension 2 that have the property that all their solutions are real provided that the data are real. Our arguments explore the connection between subspaces of codimension 2 and rational functions of one variable.

Journal: Proc. AMS, 134 (2006), no. 4, 949--957
Categories: math.AG, math.CV
Subjects: 14M15, 14N10, 14P99, 26C15, 30C15
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