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Structurable Tori

Authors
  • Allison, Bruce
  • Faulkner, John
  • Yoshii, Yoji
Type
Published Article
Publication Date
Feb 22, 2007
Submission Date
Feb 22, 2007
Identifiers
arXiv ID: math/0702678
Source
arXiv
License
Unknown
External links

Abstract

The classification of structurable tori with nontrivial involution, which was begun by Allison and Yoshii, is completed. New examples of structurable tori are obtained using a construction of structurable algebras from a semilinear version of cubic forms satisfying the adjoint identity. The classification uses techniques borrowed from quadratic forms over Z_2 and from the geometry of generalized quadrangles. Since structurable tori are the coordinate algebras for the centreless cores of extended affine Lie algebras of type BC_1, the results of this paper provide a classification and new examples for this class of Lie algebras.

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