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Packages » Varieties :: variety(SheafOfRings)

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variety(SheafOfRings) -- get the variety

Synopsis

Function: variety
Usage:

variety O
Inputs:
- O, a sheaf of rings
Outputs:
- a variety, the variety over which O is a quasicoherent sheaf of rings

Description

i1 : X = Proj(QQ[x..z])

o1 = X

o1 : ProjectiveVariety

i2 : O = OO_X

o2 = OO
       X

o2 : SheafOfRings

i3 : variety O

o3 = X

o3 : ProjectiveVariety

Code

../../../../../Macaulay2/packages/Varieties.m2:312:27-312:32: --source code:
variety CoherentSheaf := F -> F.variety

Ways to use this method:

variety(SheafOfRings) -- get the variety