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Commentarii Mathematici Helvetici

, Volume 72, Issue 1, pp 1–15 | Cite as

Cohomologie des groupes et corps d'invariants multiplicatifs tordus

  • J. Barge
Article
  • 5 Downloads

Abstract.

We give a cohomological calculation of the unramified Brauer group of a field of invariants under a twisted multiplicative action of a finite group.

Keywords. Cohomology of groups, Brauer group, multiplicative fields of invariants. 

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Copyright information

© Birkhäuser Verlag, Basel 1997

Authors and Affiliations

  • J. Barge
    • 1
  1. 1.F-91128 Palaiseau Cedex, Phone: 33 1 69334088, Fax: 33 1 69333019, e-mail: secret@orphee.polytechnique.frFrance

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