Steven Karp, Université du Québec à Montréal, Wronskians, total positivity, and real Schubert calculus
SAS 4201The totally positive flag variety is the subset of the complete flag variety Fl(n) where all Plücker coordinates are positive. By viewing a complete flag as a sequence of subspaces of polynomials of degree at most n-1, we can associate a sequence of Wronskian polynomials to it. I will present a new characterization of the…