Rational functions and real Schubert calculus

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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.

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Algebraic Geometry, Complex Variables, 14M15, 14N10, 14P99, 26C15, 30C15

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http://salesiana.dossiersoluciones.com/handle/123456789/166640

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0407408
 http://arxiv.org/abs/math/0407408
 Proc. AMS, 134 (2006), no. 4, 949--957

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arXiv