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Iwasawa theory and p-adic L-functions over Z(p)(2)-extensions

Loeffler, D; Zerbes, SL; (2014) Iwasawa theory and p-adic L-functions over Z(p)(2)-extensions. International Journal of Number Theory , 10 (8) pp. 2045-2095. 10.1142/S1793042114500699. Green open access

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Abstract

We construct a two-variable analogue of Perrin-Riou's p-adic regulator map for the Iwasawa cohomology of a crystalline representation of the absolute Galois group of ℚp, over a Galois extension whose Galois group is an abelian p-adic Lie group of dimension 2. We use this regulator map to study p-adic representations of global Galois groups over certain abelian extensions of number fields whose localization at the primes above p is an extension of the above type. In the example of the restriction to an imaginary quadratic field of the representation attached to a modular form, we formulate a conjecture on the existence of a "zeta element", whose image under the regulator map is a p-adic L-function. We show that this conjecture implies the known properties of the 2-variable p-adic L-functions constructed by Perrin-Riou and Kim.

Type: Article
Title: Iwasawa theory and p-adic L-functions over Z(p)(2)-extensions
Open access status: An open access version is available from UCL Discovery
DOI: 10.1142/S1793042114500699
Publisher version: https://doi.org/10.1142/S1793042114500699
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Iwasawa theoryp-adic regulatorp-adic L-function
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10088876
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