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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeOct 8th 2012
    • (edited Oct 8th 2012)

    added a basic remark on the Relation to torsion groups to Tor.

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeOct 8th 2012
    • (edited Oct 8th 2012)

    I have been further editing Tor. There is now in Symmetry in the two arguments an (intentionally) baby version of the proof that Tor n R(A,B)Tor n R(B,A)Tor_n^R(A,B) \simeq Tor_n^R(B,A), namely for the simple case that RR is a principal ideal domain.

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