2009年9月16日水曜日

The $T$ and $T^*$ components of $\Lambda$ - modules and Leopoldt's conjecture. (arXiv:0905.1274v3 [math.NT] UPDATED)

arXivを(Google reader経由で)見ていたら,Leopoldt予想を一般に解決したとするプレプリントを発見した.
著者はCatalan予想を解決したP. Mihailescu. 詳細は後日に譲るとして,とりあえず速報でした.

The $T$ and $T^*$ components of $\Lambda$ - modules and Leopoldt's conjecture. (arXiv:0905.1274v3 [math.NT] UPDATED):

"The conjecture of Leopoldt states that the $p$ - adic regulator of a number field does not vanish. It was proved for the abelian case in 1967 by Brumer, using Baker theory. A conjecture, due to Gross and Kuz'min will be shown here to be in a deeper sense a dual of Leopoldt's conjecture with respect to the Iwasawa involution. We prove both conjectures for arbitrary number fields $\K$.
The main ingredients of the proof are the Leopoldt reflection, the structure of quasi - cyclic $\Z_p[ \Gal(\K/\Q) ]$ - modules of some of the most important $\Lambda[ \Gal(\K/\Q) ]$ - modules occurring ($T$ acts on them like a constant in $\Z_p$), and the Iwasawa skew symmetric pairing."

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