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On Perrin-Riou's exponential map for (φ, Γ)-modules

2016/09/20 by Riedel, Andreas
#FOS: Mathematics #Number Theory (math.NT)

paper · doi:10.48550/arxiv.1609.06067

Abstract

Let K / ℚp be a finite Galois extension and D a (φ, Γ)-module over the Robba-ring B_\textrmrig, K. We give a generalization of the Bloch-Kato exponential map for D using continuous Galois-cohomology groups Hi(GK, W(D)) for the B-pair W(D) associated to D. We construct a big exponential map ΩD,h (h ∈ ℕ) for cyclotomic extensions of K for D in the style of Perrin-Riou using the theory of Berger's B-pairs, which interpolates the generalized Bloch-Kato exponential maps on the finite levels.

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