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D.5.17.37 SchubertClass

Procedure from library schubert.lib (see schubert_lib).

Usage:
SchubertClass(p); p list

Input:
a list of integers which is a partition

Return:
poly

Purpose:
compute the Schubert classes on a Grassmannian.

Example:
 
LIB "schubert.lib";
variety G = Grassmannian(2,4);
def r = G.baseRing;
setring r;
list p = 1,1;
SchubertClass(p);
==> q(1)^2-q(2)

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