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Van den Essen's conjecture on the kernel of a derivation having a slice

机译:范登·埃森对带片的导数核的猜想

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摘要

The problem of finite generation of the kernel of a derivation of a polynomial ring is a special case of Hilbert's Fourteenth Problem. It is well known that the answer is affirmative if the derivation is locally nilpotent and having a slice. Van den Essen (1995) conjectured that there exists a counterexample for non-locally nilpotent derivations with a slice. In this paper, we solve this conjecture in the affirmative.
机译:多项式环的导数的核的有限生成问题是希尔伯特第十四个问题的特例。众所周知,如果推导是局部幂零且有一个切片,则答案是肯定的。范登埃森(Van den Essen)(1995)推测,存在一个非局部的带切片的幂等导数的反例。在本文中,我们肯定地解决了这个猜想。

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