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Quasi-deformations of Si-2(F) using twisted derivations
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Mathematics.
2007 (English)In: Communications in Algebra, ISSN 0092-7872, E-ISSN 1532-4125, Vol. 35, no 12, p. 4303-4318Article in journal (Refereed) Published
Abstract [en]

In this article we apply a method devised in Hartwig, Larsson, and Silvestrov (2006) and Larsson and Silvestrov (2005a) to the simple 3-dimensional Lie algebra sI(2)(F). One of the main points of this deformation method is that the deformed algebra comes endowed with a canonical twisted Jacobi identity. We show in the present article that when our deformation scheme is applied to sI(2)(F) we can, by choosing parameters suitably, deform sI(2)(F) into the Heisenberg Lie algebra and some other 3-dimensional Lie algebras in addition to more exotic types of algebras, this being in stark contrast to the classical deformation schemes where sI(2)(F) is rigid.

Place, publisher, year, edition, pages
2007. Vol. 35, no 12, p. 4303-4318
Keyword [en]
quasi-deformations, quasi-lie algebras, twisted derivation, twisted jacobi identity
National Category
Mathematics
Identifiers
URN: urn:nbn:se:uu:diva-113038DOI: 10.1080/00927870701545127ISI: 000251875700039OAI: oai:DiVA.org:uu-113038DiVA, id: diva2:289721
Available from: 2010-01-25 Created: 2010-01-25 Last updated: 2017-12-12Bibliographically approved

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