module(SheafOfRings) -- make or get a module

Synopsis

• Function: module

• Usage:

  module F

• Inputs:
  • F, a sheaf of rings
• Outputs:
  • a module, the module corresponding to F

Description

i1 : R = QQ[x..z]

o1 = R

o1 : PolynomialRing

i2 : X = Proj R

o2 = X

o2 : ProjectiveVariety

i3 : OO_X^6

        6
o3 = OO
       X

o3 : coherent sheaf on X

i4 : module oo

      6
o4 = R

o4 : R-module, free

See also

• Variety -- the class of all algebraic varieties
• OO -- the structure sheaf