Cohomology theory of Artin-Schreier structures

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We define and develop the rudiments of a cohomology theory suitable for the treatment of the absolute Galois groups of formally real fields. Although these groups have torsion, a sensible notion of cohomological dimension can be defined in this theory.

Original languageEnglish
Pages (from-to)141-160
Number of pages20
JournalJournal of Pure and Applied Algebra
Issue number2
StatePublished - 31 Dec 1990


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