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Macaulay2 web site
HigherCIOperators
::
makeALDifferential
makeALDifferential -- "makes the differential used in ciOperatorResolution"
Synopsis
Usage:
dj = makeALDifferential(j, A, L, u)
Inputs:
j
,
an
integer
, which differential
A
,
a
chain complex
, lift of resolution from complete intersection S-->R
L
,
a
chain complex
, Koszul complex resolving R over S
u
,
a
hash table
, output of higherCIOperators
Outputs:
dj
,
a
matrix
, j-th differential of the ciOperatorResolution AL
See also
ciOperatorResolution
-- "lift resolution from complete intersection using higher ci-operators"
higherCIOperators
-- "creates the HashTable of higher CI operators on a lifted resolution"
Ways to use
makeALDifferential
:
makeALDifferential(ZZ,ChainComplex,ChainComplex,HashTable)