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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeDec 13th 2012

    added to Massey product a paragraph on their relation to A A_\infty-algebras and a bunch of references on that relation

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeDec 13th 2012
    • CommentRowNumber3.
    • CommentAuthorDavid_Corfield
    • CommentTimeNov 4th 2015


    to the references. The former author has a PhD thesis of the same name.

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeMar 13th 2018
    • (edited Mar 13th 2018)

    Briefly recorded (here) the fact that

    ωω 1,ω,ω 2=ω 1ω 2Sq deg(ω)1(ω). \omega \cup \left\langle \omega_1, \omega, \omega_2 \right\rangle \;=\; \omega_1 \cup \omega_2 \cup Sq^{ deg(\omega) -1 }( \omega ) \,.