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On the Relation between 2 and ∞ in Galois Cohomology of Number Fields
Published online by Cambridge University Press: 04 December 2007
Abstract
We remove the assumption ‘p≠ 2 or k is totally imaginary’ from several well-known theorems on Galois groups with restricted ramification of number fields. For example, we show that the Galois group of the maximal extension of a number field k which is unramified outside 2 has finite cohomological 2-dimension (also if k has real places).
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- © 2002 Kluwer Academic Publishers
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