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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Lie algebras with prescribed $\mathfrak {sl}_3$ decomposition
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by Georgia Benkart and Alberto Elduque PDF
Proc. Amer. Math. Soc. 140 (2012), 2627-2638 Request permission

Abstract:

In this work, we consider Lie algebras $\mathcal {L}$ containing a subalgebra isomorphic to $\mathfrak {sl}_3$ and such that $\mathcal {L}$ decomposes as a module for that $\mathfrak {sl}_3$ subalgebra into copies of the adjoint module, the natural three-dimensional module and its dual, and the trivial one-dimensional module. We determine the multiplication in $\mathcal {L}$ and establish connections with structurable algebras by exploiting symmetry relative to the symmetric group $\mathsf {S}_4$.
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Additional Information
  • Georgia Benkart
  • Affiliation: Department of Mathematics, University of Wisconsin, Madison, Wisconsin 53706
  • MR Author ID: 34650
  • Email: benkart@math.wisc.edu
  • Alberto Elduque
  • Affiliation: Departamento de Matemáticas e Instituto Universitario de Matemáticas y Aplicaciones, Universidad de Zaragoza, 50009 Zaragoza, Spain
  • MR Author ID: 208418
  • Email: elduque@unizar.es
  • Received by editor(s): January 3, 2001
  • Received by editor(s) in revised form: March 7, 2011
  • Published electronically: December 9, 2011
  • Additional Notes: Part of this work was done during a visit of the first author to the University of Zaragoza, supported by the Spanish Ministerio de Educación y Ciencia and FEDER (MTM 2007-67884-C04-02).
    The second author was supported by the Spanish Ministerios de Educación y Ciencia and Ciencia e Innovación and FEDER (MTM 2007-67884-C04-02 and MTM2010-18370-C04-02) and by the Diputación General de Aragón (Grupo de Investigación de Álgebra)

  • Dedicated: In memory of Hyo Chul Myung
  • Communicated by: Gail R. Letzter
  • © Copyright 2011 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 140 (2012), 2627-2638
  • MSC (2010): Primary 17B60; Secondary 17A30
  • DOI: https://doi.org/10.1090/S0002-9939-2011-11120-1
  • MathSciNet review: 2910750