Conductors and the moduli of residual perfection
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Description
Let A be a complete discrete valuation ring with possibly imperfect residue field. The purpose of this paper is to give a notion of conductor for Galois representations over A which agrees with the classical Artin conductor when the residue field is perfect. The definition rests on two results of perhaps wider interest: there is a moduli space that parametrizes the ways of modifying A so that its residue field is perfect, and any Galois-theoretic object over A can be recovered from its pullback...[Show more]
Collections | ANU Research Publications |
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Date published: | 2004 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/24828 |
Source: | Mathematische Annalen |
DOI: | 10.1007/s00208-003-0490-1 |
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01_Borger_Conductors_and_the_moduli_of_2004.pdf | 275.77 kB | Adobe PDF | Request a copy |
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