In the present work the properties of Cartan subalgebras and their connection with regular elements in finite-dimensional Lie algebras are extended to the case of Leibniz algebras. It is shown that Cartan subalgebras and regular elements of a Leibniz algebra correspond to Cartan subalgebras and regular elements of a Lie algebra by a natural homomorphism. Conjugacy of Cartan subalgebras of Leibniz algebras is shown. (c) 2006 Elsevier Inc. All rights reserved.
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Univ Iowa, Dept Math, Iowa City, IA 52242 USA
Romanian Acad, Inst Math, POB 1-764, Bucharest 014700, RomaniaUniv Iowa, Dept Math, Iowa City, IA 52242 USA
Iovanov, Miodrag Cristian
Sistko, Alexander Harris
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Univ Iowa, Dept Math, Iowa City, IA 52242 USAUniv Iowa, Dept Math, Iowa City, IA 52242 USA
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Univ Loyola Andalucia, Dept Matemat & Ingn, Campus Palmas Altas,C Energia Solar 1 Ed E, Seville 41014, SpainUniv Loyola Andalucia, Dept Matemat & Ingn, Campus Palmas Altas,C Energia Solar 1 Ed E, Seville 41014, Spain
Ceballos, M.
Nunez, J.
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Univ Seville, Fac Matemat, Dept Geometria & Topol, Calle Tarfia S-N, E-41012 Seville, SpainUniv Loyola Andalucia, Dept Matemat & Ingn, Campus Palmas Altas,C Energia Solar 1 Ed E, Seville 41014, Spain
Nunez, J.
Tenorio, A. F.
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Univ Pablo Olavide, Escuela Politecn Super, Dept Econ Metodos Cuantitat & Hist Econ, Ctra Utrera Km 1, Seville 41013, SpainUniv Loyola Andalucia, Dept Matemat & Ingn, Campus Palmas Altas,C Energia Solar 1 Ed E, Seville 41014, Spain