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Macaulay2 web site
associatedGradedRing -- the associated graded ring of an ideal
Synopsis
Usage:
associatedGradedRing I
associatedGradedRing(I,f)
Inputs:
I
,
an
ideal
f
,
a
ring element
, optional argument, if given it should be a non-zero divisor in the ideal
I
Outputs:
a
ring
, the associated graded ring
R[It] ⊗R/I
Optional inputs
:
Variable => ...
, -- Choose name for variables in the created ring
Description
associatedGradedRing is a synonym for
normalCone
.
See also
reesAlgebra
-- compute the defining ideal of the Rees Algebra
normalCone
-- the normal cone of a subscheme
tangentCone
(missing documentation)
Ways to use
associatedGradedRing
:
associatedGradedRing(Ideal)
associatedGradedRing(Ideal,RingElement)