The Classification, Automorphism Group, and Derivation Algebra of the Loop Algebra Related to the Nappi–Witten Lie Algebra

Xue Chen and Naihuan Jing

Journal of Mathematics, 2021, vol. 2021, 1-14

Abstract: Set L≔H4⊗ℂR, R≔ℂt±1, and S≔ℂt±1/mm∈ℤ+. Then, L is called the loop Nappi–Witten Lie algebra. R-isomorphism classes of S/R forms of L are classified. The automorphism group and the derivation algebra of L are also characterized.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:7829521

DOI: 10.1155/2021/7829521

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