Enumeration of torus-invariant strata with respect to dimension in the   big cell of the quantum minuscule Grassmannian of type B_n
  The aim of this article is to give explicit formulae for various generating functions, including the generating function of torus-invariant primitive ideals in the big cell of the quantum minuscule grassmannian of type B_n. 
Jason Bell, Karel Casteels and St\'ephane Launois
math.QA math.CO math.RT