A Littlewood-Richardson rule for Grassmannian Permutations
Combinatorics
2008-05-03 v2
Abstract
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.
Cite
@article{arxiv.0708.1582,
title = {A Littlewood-Richardson rule for Grassmannian Permutations},
author = {Kevin Purbhoo and Frank Sottile},
journal= {arXiv preprint arXiv:0708.1582},
year = {2008}
}
Comments
10 pages, colour diagrams. Corrected an example