-- -*- M2-comint -*- hash: 14962592944289088328

i1 : X = abstractVariety(3, QQ[c,d,Degrees=>{1,2}])

o1 = X

o1 : an abstract variety of dimension 3

i2 : F = abstractSheaf(X, ChernCharacter => 3+c+d)

o2 = F

o2 : an abstract sheaf of rank 3 on X

i3 : chern F

              1 2         1 3
o3 = 1 + c + (-c  - d) + (-c  - c*d)
              2           6

o3 : QQ[c..d]

i4 : integral oo

              1 3
o4 = integral(-c  - c*d)
              6

o4 : Expression of class Adjacent

i5 : 
