Generic polynomials are descent-generic

Generic polynomials are descent-generic
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泛型多项式是泛型下降的

DOI:
10.1007/s002290170015
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发表时间:
2001
影响因子:
0.6
通讯作者:
G. Kemper
G. Kemper
中科院分区:
数学4区
文献类型:
--
作者:
G. Kemper

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摘要:设是群G的一般多项式,使得具有群G且K≤L的无限域的每个Galois扩张N/L由g(X)的特殊化给出。我们证明,然后也是每一个伽罗瓦扩展,其组是一个子群的G是以这种方式。
Abstract: Let be a generic polynomial for a group G in the sense that every Galois extension N/L of infinite fields with group G and K≤L is given by a specialization of g(X). We prove that then also every Galois extension whose group is a subgroup of G is given in this way.