Cohomology of Lie-conformal algebras with derivations |
Received:December 14, 2023 Revised:March 04, 2024 |
Key Words:
Lie conformal algebras cohomology abelian extension conformal Lie 2-algebras homotopy derivation
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Abstract: |
In this paper, we consider Lie conformal algebras with derivations. A pair consisting of a
Lie conformal algebra and a distinguished derivation is called a LieCDer pair. We define a
cohomology theory for LieCDer pair with coefficients in a representation. Furthermore, we study
abelian extensions of a LieCDer pair as an application of cohomology theory. Finally, we consider homotopy derivations on 2-term conformal L$_{\infty}$-algebras
and 2-derivations on conformal Lie 2-algebras. The category of 2-term conformal L$_{\infty}$-algebras
with homotopy derivations is equivalent to the category of conformal Lie 2-algebras with
2-derivations. |
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