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Class 2 Galois Representations of Kummer Type Note on the rational cohomology of the function space of based maps

Class 2 Galois Representations of Kummer Type

Hans Opolka

The purpose of this note is to give a description of class 2 representations of the absolute Galois group of a field $k$ of characteristic $0$ which satisfy a certain condition of Kummer type. This description is based on Galois cohomology and on the theory of projective representations of finite abelian groups.


Homology, Homotopy and Applications, Vol. 6(2004), No. 1, pp. 351-362

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