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Results tagged with galois-cohomology
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user 4008
19
votes
Accepted
Hilbert 90 for algebras
It's actually easier to go the other way around. Finite dimensional modules over
an algebra $A$ fulfils the Krull-Remak-Schmidt theorem of being isomorphic to a
direct sum of indecomposable modules wi …
- 22.6k
8
votes
Accepted
Brauer group of complete DVR
This is more trivial (in the sense that we have hidden all the non-trivial parts among general preliminaries...) than the identification of $\text{Br}(K)$ that Alex is talking about. We have that $\te …
- 22.6k