7 citations · 13 across the 2 of their papers we have counts for
2 papers
math.CO2007★ 6 cited
Duality of antidiagonals and pipe dreams
Ning Jia, Ezra Miller
Weighted enumeration of reduced pipe dreams (or rc-graphs) results in a combinatorial expression for Schubert polynomials. The duality between the set of reduced pipe dreams and ce…
math.CO2006★ 7 cited
A quasisymmetric function for matroids
Louis J. Billera, Ning Jia, Victor Reiner
A new isomorphism invariant of matroids is introduced, in the form of a quasisymmetric function. This invariant (1) defines a Hopf morphism from the Hopf algebra of matroids to the…