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Ulm invariants of the Brauer group of a field

โœ Scribed by Burton Fein; Murray Schacher


Publisher
Springer-Verlag
Year
1977
Tongue
French
Weight
614 KB
Volume
154
Category
Article
ISSN
0025-5874

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The set of division algebras central and finite dimensional over a field F ลฝ . are nicely parameterized by the Brauer group Br F , which is naturally 2 ลฝ โ…ท . isomorphic to the Galois cohomology group H G , F . Since the latter F sep is an arithmetic invariant, the theory of F's division algebras and