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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)

For the programmer

The object makeALDifferential is a method function.