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On mod 3 triple Milnor invariants and tr...
Amano, Fumiya...
On mod 3 triple Milnor invariants and triple cubic residue symbols in the Eisenstein number field by Amano, Fumiya ( Author )
Australian National University
06-09-2023
We introduce mod 3 triple Milnor invariants and triple cubic residue symbols for certain primes of the Eisenstein number field $\mathbb{Q}(\sqrt{-3})$, following the analogies between knots and primes. Our triple symbol generalizes both the cubic residue symbol and R\'{e}dei's triple symbol, and describes the decomposition law of a prime in a mod 3 Heisenberg extension of degree 27 over $\mathbb{Q}(\sqrt{-3})$ with restricted ramification, which we construct concretely in the form similar to R\'{e}dei's dihedral extension over $\mathbb{Q}$. We also give a cohomological interpretation of our symbols by triple Massey products in Galois cohomology.
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Article
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29.34 KB
English
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MYR 0.01
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http://arxiv.org/abs/1412.6894
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