i1 : X = PP_(ZZ/65521)^(2,2); o1 : ProjectiveVariety, surface in PP^5 |
i2 : Y = random(2,X); o2 : ProjectiveVariety, hypersurface in PP^5 |
i3 : N = normalSheaf X; o3 : Coherent sheaf on X |
i4 : N' = normalSheaf(X,Y); o4 : Coherent sheaf on X |
i5 : rank HH^0 N o5 = 27 |
i6 : rank HH^0 N' o6 = 12 |
The object normalSheaf is a method function.