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Extensions and deformations of 3-Lie algebras with higher derivations |
Extensions and deformations of 3-Lie algebras with higher derivations |
Received:December 26, 2023 Revised:May 09, 2024 |
DOI: |
中文关键词: |
英文关键词:Higher derivations, 3-LieHDer pairs, cohomology, extensions, formal deformations |
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中文摘要: |
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英文摘要: |
Higher derivations on a 3-Lie algebra generalize higher-order derivatives. We
call a tuple consisting of 3-Lie algebra and a higher derivation on it by a 3-LieHDer
pair. We define cohomology for 3-LieHDer pairs with coefficients in a representation.
Next, we study abelian extensions of a 3-LieHDer pair and relate them with the second
cohomology group of the 3-LieHDer pair. Finally, we consider formal deformations of 3-LieHDer pairs that are governed by the cohomology with self-coefficient. |
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