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arXiv 1608.04673math.NTmath.GR
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可解本原扩张

Solvable primitive extensions

Chandan Singh Dalawat

摘要:

域$F$的有限可分扩张$E$称为本原,如果没有中间扩张。如果它的Galois闭包$\hat E$在$F$上的自同构群$\mathrm{Gal}(\hat E|F)$是可解的,则称它是可解的;如果次数$[E:F]$是$p$的幂,则称它是$p$ -扩张($p$素数)。我们证明了一个可解的原始$p$ -$F$的扩展$E$是唯一确定的(直到$F$ -同构)由$\hat E$和扩展$D$的$F$,使$D=\hat E$对于一些可解的原始$p$ -扩展$E$的$F$。

英文摘要:

A finite separable extension $E$ of a field $F$ is called primitive if there are no intermediate extensions. It is called solvable if the group $\mathrm{Gal}(\hat E|F)$ of automorphisms of its galoisian closure $\hat E$ over $F$ is solvable, and a $p$-extension ($p$ prime) if the degree $[E:F]$ is a power of $p$. We show that a solvable primitive $p$-extension $E$ of $F$ is uniquely determined (up to $F$-isomorphism) by $\hat E$ and characterise the extensions $D$ of $F$ such that $D=\hat E$ for some solvable primitive $p$-extension $E$ of $F$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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