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D.5.17.16 dualSheaf
Procedure from library schubert.lib (see schubert_lib).
- Usage:
- dualSheaf(S); S sheaf
- Return:
- sheaf
- Theory:
- This is the dual of a sheaf
Example:
| LIB "schubert.lib";
variety G = Grassmannian(2,4);
def R = G.baseRing;
setring R;
sheaf S = makeSheaf(G,subBundle);
sheaf D = dualSheaf(S);
D;
==> A sheaf of rank 2
==>
| See also:
addSheaf;
quotSheaf;
symmetricPowerSheaf;
tensorSheaf.
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