Pseudo-euclidean Jordan algebras

Amir Baklouti; Said Benayadi

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arXiv · 0811.3702

Pseudo-euclidean Jordan algebras

Amir Baklouti·Said Benayadi

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Abstract

A Jordan algebra J is said to be pseudo-euclidean if J is endowed with an associative non-degenerate symmetric bilinear form B. B is said an associative scalar product on J. First, we provide a description of the pseudo-euclidean Jordan K-algebras in terms of double extensions and generalized double extensions. In particular, we shall use this description to construct all pseudo-euclidean Jordan algebras of dimension less than or equal to 5. And then, from one of these algebras, we shall construct a twelve dimension Lie algebra by the "TKK" construction. Second, a description of symplectic pseudo-euclidean Jordan algebras is provided and finally we describe a particular class of these algebras namely the class of symplectic Jordan-Manin Algebras. In addition to these descriptions, this paper demonstrates that these last two classes are identical and provides several information on the structure of pseudo-euclidean Jordan algebras.

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BibTeX RIS

Amir Baklouti, Said Benayadi. 2008-11-22. Pseudo-euclidean Jordan algebras. https://arxiv.org/abs/0811.3702

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