2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166640We 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.Algebraic GeometryComplex Variables14M15, 14N10, 14P99, 26C15, 30C15Rational functions and real Schubert calculustext