References & Citations
Mathematics > Rings and Algebras
Title: A computational approach to almost-inner derivations
(Submitted on 9 Mar 2024)
Abstract: We present a computational approach to determine the space of almost-inner derivations of a finite dimensional Lie algebra given by a structure constant table. We also present an example of a Lie algebra for which the quotient algebra of the almost-inner derivations modulo the inner derivations is non-abelian. This answers a question of Kunyavskii and Ostapenko.
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