ChainComplexOperations : Table of Contents


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


excess  Difference between the sum of the lengths of Tor_i(M,M) and the Walker bound 2^d*length(M)


reverseFactors  The isomorphism from F**G to G**F when F,G are complexes

sym2  symmetric square of a chain complex


wedge2  exterior square of a chain complex