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Macaulay2 web site
SpecialFanoFourfolds
::
ring(SpecialCubicFourfold)
ring(SpecialCubicFourfold) -- ambient polynomial ring of the fourfold
Synopsis
Usage:
ring X
Function:
ring
Inputs:
X
,
an instance of the type
SpecialCubicFourfold
, or
SpecialGushelMukaiFourfold
Outputs:
a
ring
, the common ambient polynomial ring of the fourfold and of the surface contained in it.