A graphical description of $(D_n,A_{n-1})$ Kazhdan-Lusztig polynomials

Tobias Lejczyk, Catharina Stroppel

We give an easy diagrammatical description of the parabolic Kazhdan-Lusztig polynomials for the Weyl group $W_n$ of type $D_n$ with parabolic subgroup of type $A_n$ and consequentl…