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Stickelberger elements and Kolyvagin systems

Published online by Cambridge University Press:  11 January 2016

Kâzim Büyükboduk
Kâzim Büyükboduk*
Affiliation:
Institut des Hautes Études Scientifiques, Route de Chartres, F-91440 Bures-sur-Yvette, France
*
Koç University, Mathematics, 34450 Sariyer, Istanbul, Turkey[email protected]
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Abstract

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In this paper, we construct (many) Kolyvagin systems out of Stickelberger elements utilizing ideas borrowed from our previous work on Kolyvagin systems of Rubin-Stark elements. The applications of our approach are twofold. First, assuming Brumer’s conjecture, we prove results on the odd parts of the ideal class groups of CM fields which are abelian over a totally real field, and we deduce Iwasawa’s main conjecture for totally real fields (for totally odd characters). Although this portion of our results has already been established by Wiles unconditionally (and refined by Kurihara using an Euler system argument, when Wiles’s work is assumed), the approach here fits well in the general framework the author has developed elsewhere to understand Euler/Kolyvagin system machinery when the core Selmer rank is r > 1 (in the sense of Mazur and Rubin). As our second application, we establish a rather curious link between the Stickelberger elements and Rubin-Stark elements by using the main constructions of this article hand in hand with the “rigidity” of the collection of Kolyvagin systems proved by Mazur, Rubin, and the author.

Keywords

11R2311R4211R27
Type
Research Article
Information
Nagoya Mathematical Journal , Volume 203 , September 2011 , pp. 123 - 173
Copyright
Copyright © Editorial Board of Nagoya Mathematical Journal 2011

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