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Orthogonal representations of Galois groups, Stiefel-Whitney classes and Hasse-Witt invariants. - MaRDI portal

Orthogonal representations of Galois groups, Stiefel-Whitney classes and Hasse-Witt invariants. (Q3220669)

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Orthogonal representations of Galois groups, Stiefel-Whitney classes and Hasse-Witt invariants.
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    Orthogonal representations of Galois groups, Stiefel-Whitney classes and Hasse-Witt invariants. (English)
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    1985
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    orthogonal representations of Galois groups
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    Galois twist
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    Brauer group
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    Hasse-Witt invariants
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    Stiefel-Whitney class
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    spinor norm
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    trace forms
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    embedding problem of field theory
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    coverings of linear algebraic groups
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