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Iwasawa theory of de Rham $(\varphi , \Gamma )$-modules over the Robba ring

Part of: Discontinuous groups and automorphic forms

Published online by Cambridge University Press:  27 February 2013

Kentaro Nakamura
Kentaro Nakamura*
Affiliation:
Department of Mathematics, Hokkaido University, Sapporo 060-0810, Japan (kentaro@math.sci.hokudai.ac.jp)
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Abstract

The aim of this article is to study the Bloch–Kato exponential map and the Perrin-Riou big exponential map purely in terms of $(\varphi , \Gamma )$-modules over the Robba ring. We first generalize the definition of the Bloch–Kato exponential map for all the $(\varphi , \Gamma )$-modules without using Fontaine’s rings ${\mathbf{B} }_{\mathrm{crys} } $, ${\mathbf{B} }_{\mathrm{dR} } $ of $p$-adic periods, and then generalize the construction of the Perrin-Riou big exponential map for all the de Rham $(\varphi , \Gamma )$-modules and prove that this map interpolates our Bloch–Kato exponential map and the dual exponential map. Finally, we prove a theorem concerning the determinant of our big exponential map, which is a generalization of theorem $\delta (V)$ of Perrin-Riou. The key ingredients for our study are Pottharst’s theory of the analytic Iwasawa cohomology and Berger’s construction of $p$-adic differential equations associated to de Rham $(\varphi , \Gamma )$-modules.

Keywords

p-adic Hodge theory(φ,Γ)-moduleB-pair

MSC classification

Secondary: 11F80: Galois representations 11F85: $p$-adic theory, local fields
Type
Research Article
Information
Journal of the Institute of Mathematics of Jussieu , Volume 13 , Issue 1 , January 2014 , pp. 65 - 118
Copyright
©Cambridge University Press 2013 

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