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math.AT1998
On the cohomology of Galois groups determined by Witt rings
Alejandro Adem, Dikran Karagueuzian, Jan Minac
Let F denote a field of characteristic different from two. In this paper we describe the mod 2 cohomology of a Galois group which is determined by the Witt ring WF.
math.AT1998
On some examples of group actions and group extensions
Alejandro Adem, Ergün Yalçin
We study and relate certain actions and extensions involving 2-groups.