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arXiv 1801.03056math.NT
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数域上$p$ -adic Lie塔的判别稳定性

Discriminant-Stability in $p$-adic Lie Towers of Number Fields

James Upton

摘要:

在本文中,我们考虑一个塔的数域$\cdots \supseteq K(1) \supseteq K(0) \supseteq K$自然产生的连续$p$ -进表示的$\mathrm{Gal}(\bar{\mathbb{Q}}/K)$,称为$K$上的$p$ -进李塔。最近的一个猜想大庆万假设,某些$p$ -进李塔曲线$\mathbb{F}_p$,一个稳定的(多项式)增长公式的属。在这里,我们证明了类似的结果在特征零,即:$p$ -adic赋值的判别式的扩展$K(i)/K$是由一个多项式在$i,p^i$ $i$足够大。这概括了一个先前已知的结果判别式增长的$\mathbb{Z}_p$ -塔的局部领域的特征零。

英文摘要:

In this paper we consider a tower of number fields $\cdots \supseteq K(1) \supseteq K(0) \supseteq K$ arising naturally from a continuous $p$-adic representation of $\mathrm{Gal}(\bar{\mathbb{Q}}/K)$, referred to as a $p$-adic Lie tower over $K$. A recent conjecture of Daqing Wan hypothesizes, for certain $p$-adic Lie towers of curves over $\mathbb{F}_p$, a stable (polynomial) growth formula for the genus. Here we prove the analogous result in characteristic zero, namely: the $p$-adic valuation of the discriminant of the extension $K(i)/K$ is given by a polynomial in $i,p^i$ for $i$ sufficiently large. This generalizes a previously known result on discriminant-growth in $\mathbb{Z}_p$-towers of local fields of characteristic zero.

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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