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ChainComplexOperations : Table of Contents
ChainComplexOperations
 Symmetric and exterior squares of a complex and the 2nd Adams operation
chi2
 Euler characteristic of the 2nd Adams operation applied to a complex
eulerCharacteristic
 sum of the lengths of the even degree homology minus the odd degree homology groups
evenHomologyLength
 sum of the lengths of the even degree homology groups
excess
 Difference between the sum of the lengths of Tor_i(M,M) and the Walker bound 2^d*length(M)
oddHomologyLength
 sum of the lengths of the odd degree homology groups
reverseFactors
 The isomorphism from F**G to G**F when F,G are complexes
sym2
 symmetric square of a chain complex
testWalker
 tests Walker's formula
wedge2
 exterior square of a chain complex