Rational functions and real Schubert calculus
Algebraic Geometry
2008-08-08 v1 Complex Variables
Abstract
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.
Keywords
Cite
@article{arxiv.math/0407408,
title = {Rational functions and real Schubert calculus},
author = {A. Eremenko and A. Gabrielov and M. Shapiro and A. Vainshtein},
journal= {arXiv preprint arXiv:math/0407408},
year = {2008}
}