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ZARISKI’S FINITENESS THEOREM AND PROPERTIES OF SOME RINGS OF INVARIANTS
Transformation Groups ( IF 0.4 ) Pub Date : 2020-07-10 , DOI: 10.1007/s00031-020-09594-0
R. V. GURJAR , S. R. GURJAR , B. HAJRA

In this paper we will give a short proof of a special case of Zariski’s result about finite generation in connection with Hilbert’s 14th problem using a new idea. Our result is useful for invariant subrings of unipotent or connected semisimple groups. We will also prove an analogue of Miyanishi’s result for the ring of invariants of a \( {\mathbbm{G}}_a \)-action on R[X, Y, Z] for an affine Dedekind domain R using topological methods.



中文翻译:

ZARISKI的定性定理和不变环的一些性质

在本文中,我们将简短证明Zariski关于有限生成的一个特例与希尔伯特第14问题有关的新情况。我们的结果对于单能或相连的半简单群的不变子环很有用。我们还将使用拓扑方法证明仿射Dedekind域RR [ XYZ ]的\({\ mathbbm {G}} _ a \)作用的不变量环的Miyanishi结果的类似物。

更新日期:2020-07-10
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