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Problems of classifying associative or Lie algebras over a field of characteristic not 2 and finite metabelian groups are wild
Ben-Gurion University of the Negev, Israel.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för datavetenskap.
Ben-Gurion University of the Negev, Israel.
Institute of Mathematics, Kiev, Ukraine.
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2009 (Engelska)Ingår i: The Electronic Journal of Linear Algebra, ISSN 1537-9582, E-ISSN 1081-3810, Vol. 18, s. 516-529Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Let F be a field of characteristic different from 2. It is shown that the problems of classifying

(i) local commutative associative algebras over F with zero cube radical,

(ii) Lie algebras over F with central commutator subalgebra of dimension 3, and

(iii) finite p-groups of exponent p with central commutator subgroup of order  are hopeless since each of them contains

• the problem of classifying symmetric bilinear mappings UxU → V , or

• the problem of classifying skew-symmetric bilinear mappings UxU → V ,

in which U and V are vector spaces over F (consisting of p elements for p-groups (iii)) and V is 3-dimensional. The latter two problems are hopeless since they are wild; i.e., each of them contains the problem of classifying pairs of matrices over F up to similarity.

Ort, förlag, år, upplaga, sidor
2009. Vol. 18, s. 516-529
Nyckelord [en]
Wild problems, Classification, Associative algebras, Lie algebras, Metabelian groups
Nationell ämneskategori
Matematik
Forskningsämne
matematik
Identifikatorer
URN: urn:nbn:se:umu:diva-88008OAI: oai:DiVA.org:umu-88008DiVA, id: diva2:713114
Tillgänglig från: 2014-04-21 Skapad: 2014-04-21 Senast uppdaterad: 2018-06-08

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