A Littlewood-Richardson rule for Grassmannian permutations Academic Article uri icon


  • We give a combinatorial rule for computing intersection numbers on a flag manifold which come from products of Schubert classes pulled back from Grassmannian projections. This rule generalizes the known rule for Grassmannians.

published proceedings

  • Proceedings of the American Mathematical Society

author list (cited authors)

  • Purbhoo, K., & Sottile, F.

citation count

  • 4

complete list of authors

  • Purbhoo, Kevin||Sottile, Frank

publication date

  • June 2009