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SpectralSequences :: chainComplex(SpectralSequence)

chainComplex(SpectralSequence) -- the underlying chain complex of a Spectral Sequence

Synopsis

Description

Returns the underlying chain complex of a spectral sequence.

i1 : A = QQ[x,y];
i2 : C = koszul vars A

      1      2      1
o2 = A  <-- A  <-- A
                    
     0      1      2

o2 : ChainComplex
i3 : K = filteredComplex C;
i4 : E = spectralSequence K

o4 = E

o4 : SpectralSequence
i5 : chainComplex E

      1      2      1
o5 = A  <-- A  <-- A
                    
     0      1      2

o5 : ChainComplex