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arXiv 0802.2272math.NT
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全实数域非对易岩泽理论主要猜想的证明

Proof of the Main Conjecture of Noncommutative Iwasawa Theory for Totally Real Number Fields in Certain Cases

Mahesh Kakde

摘要:

修复奇素数$p$。设$G$是一个紧$p$李群,它包含一个闭的正规的$p$子群$H$,该子群是阿贝尔的,并且使得$G/H$同构于$p$整数$\mathbbZ_p$的加群.首先,我们假设$H$是有限的,并计算$G$的Iwasawa代数的Whitehead群,$Λ(G)$。我们还证明了Iwasawa理论中所需要的$Λ(G)$的某些局部化的结果。设$F$是一个全实数域,$F_{\infty}$是$F$在Galois群$G$上的容许$p$ -adic李扩张.通过对Whitehead群的计算,证明了扩张$F_{\infty}/F$的主猜想可以由Delige和Ribet的交换$p$ -adic zeta函数之间的某些同余关系导出.我们证明了这些同余与一定的假设上$G$。这在许多有趣的情况下给出了主猜想的证明,例如$ \mathbb{Z}_p \rtimes

英文摘要:

Fix an odd prime $p$. Let $G$ be a compact $p$-adic Lie group containing a closed, normal, pro-$p$ subgroup $H$ which is abelian and such that $G/H$ is isomorphic to the additive group of $p$-adic integers $\mathbbZ_p$ . First we assume that $H$ is finite and compute the Whitehead group of the Iwasawa algebra, $Λ(G)$, of $G$. We also prove some results about certain localisation of $Λ(G)$ needed in Iwasawa theory. Let $F$ be a totally real number field and let $F_{\infty}$ be an admissible $p$-adic Lie extension of $F$ with Galois group $G$. The computation of the Whitehead groups are used to show that the Main Conjecture for the extension $F_{\infty}/F$ can be deduced from certain congruences between abelian $p$-adic zeta functions of Delige and Ribet. We prove these congruences with certain assumptions on $G$. This gives a proof of the Main Conjecture in many interesting cases such as $\mathbb{Z}_p\rtimes

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