Multiple of trace forms and algebras with involution

Let k be a field of characteristic $\neq$ 2, and let G be a finite group. The aim of this article is to give a cohomological criterion for the isomorphism of multiples of trace forms of G-Galois algebras over k. The proof uses results concerning multiples of hermitian forms over division algebras with involution that are of independent interest.


Published in:
International Mathematics Research Notices
Year:
2007
Publisher:
Oxford University Press
ISSN:
1073-7928
Laboratories:




 Record created 2011-03-17, last modified 2018-03-17

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