Inverse-closed additive subgroups of fields

Mattarei, Sandro (2007) Inverse-closed additive subgroups of fields. Israel Journal of Mathematics, 159 (1). pp. 343-347. ISSN 0021-2172


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We describe the additive subgroups of fields which are closed with respect to taking inverses, in particular, with characteristic different from two. Any such subgroup is either a subfield or the kernel of the trace map of a quadratic subextension of the field.

Partially supported by MIUR-Italy via PRIN 2003018059 “Graded Lie algebras and pro-p-groups: representations, periodicity and derivations”.

Keywords:Lie algebras
Subjects:G Mathematical and Computer Sciences > G100 Mathematics
Divisions:College of Science > School of Mathematics and Physics
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ID Code:18509
Deposited On:16 Nov 2016 12:09

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