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Let p be a prime number, F a field containing a root of unity of order p , and G_F the absolute Galois group. Extending results of Hopkins, Wickelgren, Mináč and Tân, we prove that the triple Massey product H^1(G_F)^3→ H^2(G_F) contains 0 whenever it is non-empty. This gives a new restriction on the possible profinite group structure of G_F .
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Efrat et al. (2017) studied this question.
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