Effective lifting of 2-cocycles for Galois cohomology

• Autorzy: Thomas Preu
• Języki publikacji: EN

Abstrakty

EN

We give explicit formulas for reducing the problem of determining whether a given 2-cocycle is a coboundary and if so finding a lifting 1-cochain to a system of norm equations.

Słowa kluczowe

EN

Galois cohomology; Local invariants

Kategorie tematyczne

• 12G05: Galois cohomology

• Wydawca: De Gruyter Open
• Czasopismo: Open Mathematics
• Rocznik: 2013
• Tom: 11
• Numer: 12
• Strony: 2138-2149

Daty

wydano

2013-12-01

online

2013-10-08

Twórcy

autor

Thomas Preu

• Universität Zürich

Bibliografia

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Identyfikatory

DOI

10.2478/s11533-013-0319-4