Pro-2-Demuskin groups of rank ...0 as Galois groups of maximal 2-extensions of fields.
Roger Ware, Ján Minác (1992)
Mathematische Annalen
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Roger Ware, Ján Minác (1992)
Mathematische Annalen
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Ido Efrat (1998)
Manuscripta mathematica
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Kay Wingberg (1991)
Journal für die reine und angewandte Mathematik
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Helen Grundman, Tara Smith (2010)
Open Mathematics
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This article examines the realizability of groups of order 64 as Galois groups over arbitrary fields. Specifically, we provide necessary and sufficient conditions for the realizability of 134 of the 200 noncyclic groups of order 64 that are not direct products of smaller groups.
T.M. Viswanathan, A.J. Engler (1986)
Manuscripta mathematica
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Helen Grundman, Tara Smith (2010)
Open Mathematics
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This article provides necessary and sufficient conditions for each group of order 32 to be realizable as a Galois group over an arbitrary field. These conditions, given in terms of the number of square classes of the field and the triviality of specific elements in related Brauer groups, are used to derive a variety of automatic realizability results.
Masakazu Yamagishi (1993)
Journal für die reine und angewandte Mathematik
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Roger Ware, Ján Minác (1991)
Manuscripta mathematica
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Kay Wingberg (1989)
Journal für die reine und angewandte Mathematik
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Gudrun Brattström (1989)
Mathematica Scandinavica
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Núria Vila (1992)
Publicacions Matemàtiques
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The problem of the construction of number fields with Galois group over Q a given finite groups has made considerable progress in the recent years. The aim of this paper is to survey the current state of this problem, giving the most significant methods developed in connection with it.
Michailov, Ivo (2007)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 12F12. We find the obstructions to realizability of groups of order 32 as Galois groups over arbitrary field of characteristic not 2. We discuss explicit extensions and automatic realizations as well. This work is partially supported by project of Shumen University
Alexander Prestel, Christian U. Jensen (1996)
Manuscripta mathematica
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Ido Efrat, Ján Mináč (2012)
Acta Arithmetica
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Michael Spiess (1996)
Journal für die reine und angewandte Mathematik
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Michailov, Ivo M., Ziapkov, Nikola P. (2011)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 12F12, 15A66. In this article we survey and examine the realizability of p-groups as Galois groups over arbitrary fields. In particular we consider various cohomological criteria that lead to necessary and sufficient conditions for the realizability of such a group as a Galois group, the embedding problem (i.e., realizability over a given subextension), descriptions of such extensions, automatic realizations among p-groups, and related...
Kay Wingberg (1986)
Journal für die reine und angewandte Mathematik
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