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Schubert2 :: abstractSheaf(AbstractVariety,RingElement)

abstractSheaf(AbstractVariety,RingElement) -- make an abstract sheaf

Synopsis

Description

i1 : X = abstractVariety(3, QQ[c])

o1 = X

o1 : an abstract variety of dimension 3
i2 : F = abstractSheaf(X, ChernCharacter => 3 + c)

o2 = F

o2 : an abstract sheaf of rank 3 on X
i3 : ch F

o3 = 3 + c

o3 : QQ[c]
i4 : chern F

             1 2   1 3
o4 = 1 + c + -c  + -c
             2     6

o4 : QQ[c]