Abstract
Let A be a Poisson algebra over a field \(\mathbf{k}\) with characteristic zero, let \(\gamma \), \(\alpha \) be Poisson derivations on A such that \(\gamma \alpha =\alpha \gamma \) and \(0\ne \rho \in \mathbf{k}\). Here the notion of a \(\gamma \)-Poisson normal element is introduced, it is proved that the polynomial algebra A[y, x] has a Poisson structure defined by \(\{y,a\}=\alpha (a)y, \{x,a\}=\beta (a)x, \{x,y\}=\beta (y)x+\delta (y)\) for \(a\in A\), where \(\beta \) is a Poisson derivation on A[y] defined by \(\beta |_A=\gamma -\alpha \), \(\beta (y)=\rho y\) and \(\delta \) is a derivation on A[y] such that \(\delta |_A=0\), and its Poisson simplicity criterion is established and endorsed by examples.
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Acknowledgements
The first author is supported by the National Research Foundation of Korea, NRF-2020R1A2C1A01004133. The second author is supported by the Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education (NRF-2019R1A6A3A01093778).
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Oh, SQ., Sim, H. Simple Poisson Ore extensions. Arch. Math. 118, 133–142 (2022). https://doi.org/10.1007/s00013-021-01673-2
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DOI: https://doi.org/10.1007/s00013-021-01673-2