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Macaulay2Doc :: sheaf(Module)

sheaf(Module) -- make a coherent sheaf

Synopsis

Description

i1 : R = QQ[x,y,z];
i2 : X = Proj R

o2 = X

o2 : ProjectiveVariety
i3 : M = R^{1,2,3}

      3
o3 = R

o3 : R-module, free, degrees {-1, -2, -3}
i4 : sheaf M

        1          1          1
o4 = OO  (1) ++ OO  (2) ++ OO  (3)
       X          X          X

o4 : coherent sheaf on X, free
i5 : M~

        1          1          1
o5 = OO  (1) ++ OO  (2) ++ OO  (3)
       X          X          X

o5 : coherent sheaf on X, free