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Hom-Lie Superalgebras in Characteristic 2

Author

Listed:
  • Sofiane Bouarroudj

    (Division of Science and Mathematics, New York University Abu Dhabi, Abu Dhabi P.O. Box 129188, United Arab Emirates)

  • Abdenacer Makhlouf

    (IRIMAS—Mathematics Department, University of Haute Alsace, 68093 Mulhouse, France)

Abstract

The main goal of this paper was to develop the structure theory of Hom-Lie superalgebras in characteristic 2. We discuss their representations, semidirect product, and α k -derivations and provide a classification in low dimension. We introduce another notion of restrictedness on Hom-Lie algebras in characteristic 2, different from the one given by Guan and Chen. This definition is inspired by the process of the queerification of restricted Lie algebras in characteristic 2. We also show that any restricted Hom-Lie algebra in characteristic 2 can be queerified to give rise to a Hom-Lie superalgebra. Moreover, we developed a cohomology theory of Hom-Lie superalgebras in characteristic 2, which provides a cohomology of ordinary Lie superalgebras. Furthermore, we established a deformation theory of Hom-Lie superalgebras in characteristic 2 based on this cohomology.

Suggested Citation

  • Sofiane Bouarroudj & Abdenacer Makhlouf, 2023. "Hom-Lie Superalgebras in Characteristic 2," Mathematics, MDPI, vol. 11(24), pages 1-28, December.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:24:p:4955-:d:1300318
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