Rota--Baxter operators and skew left brace structures over Heisenberg Group
arXiv:2402.15428 · doi:10.1142/S0218196724500474
Abstract
Rota--Baxter operators over groups have been recently defined in \cite{LHY2021}, and they share a close connection with skew braces, as demonstrated in \cite{VV2022}. In this paper, we classify all Rota--Baxter operators of weight 1 over the Heisenberg Lie algebra of dimension 3 by directly solving the operators defining equations. Using the fact that the exponential map from the Heisenberg Lie algebra to the Heisenberg Group is bijective, we induces these operators to the Heisenberg Group. Finally, we enumerate all skew left brace structures over the Heisenberg Group induced by these Rota--Baxter operators.
14 pages. The mistake in the matrix multiplication given to compute skew left brace structures has now been corrected
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- Rota-Baxter operators on groups
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