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D.15.24.15 totalSegreClass
Procedure from library schubert.lib (see schubert_lib).
- Usage:
- totalSegreClass(S); S sheaf
- Return:
- poly
- Input:
- S is a sheaf
- Theory:
- This is the total Segre class of a sheaf.
SEE AlSO: totalChernClass
Example:
| LIB "schubert.lib";
variety G = Grassmannian(2,4);
def R = G.baseRing;
setring R;
sheaf S = makeSheaf(G,subBundle);
totalSegreClass(S);
==> q(2)+q(1)+1
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