Leibniz algebras with associated Lie algebras sl_2\dot{+} R (dim R=2)

Details Leibniz algebras with associated Lie algebras sl_2\dot{+} R (dim R=2) Leibniz algebras with associated Lie algebras sl_2\dot{+} R (dim R=2)

2011-11-20

arxiv.org/abs/1111.4631v1

Mathematics

Rings and Algebras

11 pages

Scientific paper

From the theory of finite dimensional Lie algebras it is known that every finite dimensional Lie algebra is decomposed into a semidirect sum of semisimple subalgebra and solvable radical. Moreover, due to work of Mal'cev the study of solvable Lie algebras is reduced to the study of nilpotent ones. For the finite dimensional Leibniz algebras the analogues of the mentioned results are not proved yet. In order to get some idea how to establish the results we examine the Leibniz algebra for which the quotient algebra with respect to the ideal generated by squares elements of the algebra (denoted by $I$) is a semidirect sum of semisimple Lie algebra and the maximal solvable ideal. In this paper the class of complex Leibniz algebras, for which quotient algebras by the ideal $I$ are isomorphic to the semidirect sum of the algebra $sl_2$ and two-dimensional solvable ideal $R$, are described.

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