Hopf Galois structures on degree cyclic extensions of local fields.
Childs, Lindsay N. (1996)
The New York Journal of Mathematics [electronic only]
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Childs, Lindsay N. (1996)
The New York Journal of Mathematics [electronic only]
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Ivo Michailov (2011)
Open Mathematics
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In this paper we develop some new theoretical criteria for the realizability of p-groups as Galois groups over arbitrary fields. We provide necessary and sufficient conditions for the realizability of 14 of the 22 non-abelian 2-groups having a cyclic subgroup of index 4 that are not direct products of groups.
Xue, Lianyong (2002)
Portugaliae Mathematica. Nova Série
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J. N. Alonso Alvarez, J. M. Fernández Vilaboa (2000)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Thomas Preu (2013)
Open Mathematics
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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.
Shih-Ping Chan (1992)
Manuscripta mathematica
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Stéphane Vinatier (2005)
Acta Arithmetica
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Patrik Lundström (1999)
Colloquium Mathematicae
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Szeto, George, Xue, Lianyong (2003)
International Journal of Mathematics and Mathematical Sciences
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Martha Rzedowski Calderón (1990)
Mathematische Zeitschrift
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J. N. Alonso Alvarez, J. M. Fernandez Vilaboa (1994)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Marius Van der Put (1997-1998)
Séminaire Bourbaki
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