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On isotropy group of Danielewski surfaces
Communications in Algebra ( IF 0.7 ) Pub Date : 2020-09-28 , DOI: 10.1080/00927872.2020.1825724
Rene Baltazar 1 , Marcelo Veloso 2
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In the present work we consider differential rings of the form $(\mathcal B,D)$ where $\mathcal B$ is a Danielewski surface and $D$ is a locally nilpotent derivation on $\mathcal B$. Influenced by several recent works, we describe the isotropy group of a locally nilpotent derivation, $D$, on Danielewski surfaces, in the cases $xy = \varphi(z)$, $x^ny=\varphi(Z)$, and $f(x)x = \varphi(z)$.

中文翻译:

Danielewski 曲面的各向同性群

在目前的工作中,我们考虑 $(\mathcal B,D)$ 形式的微分环,其中 $\mathcal B$ 是 Danielewski 曲面,$D$ 是 $\mathcal B$ 上的局部幂零推导。受近期几项工作的影响,我们描述了 Danielewski 表面上局部幂零推导 $D$ 的各向同性群,在这种情况下 $xy = \varphi(z)$, $x^ny=\varphi(Z)$,和 $f(x)x = \varphi(z)$。
更新日期:2020-09-28
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