Abstract
Let G be a finite group. If A and B are two G-modules, the cup-product associated with the canonical pairing
yields a pairing
which we call again the cup-product. When \(B = \mathbb{Q}/\mathbb{Z}\), we set
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© 2008 Springer-Verlag Berlin Heidelberg
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Neukirch, J., Schmidt, A., Wingberg, K. (2008). Duality Properties of Profinite Groups. In: Cohomology of Number Fields. Grundlehren der mathematischen Wissenschaften, vol 323. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-37889-1_3
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DOI: https://doi.org/10.1007/978-3-540-37889-1_3
Publisher Name: Springer, Berlin, Heidelberg
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