Pseudo-elliptic bundles, deformation data, and the reduction of Galois covers

We study a class of filtered flat vector bundles of rank 2 which we call pseudo-eeliptic bundles. We construct pseudo-elliptic bundles starting from a deformation datum defined over the function field of a curve over an algebraically closed field of positive characteristic. This leads us to study a variant of Dwork's accessary parameter problem. We give applications of our results to Galois theory.

Identiferoai:union.ndltd.org:DUETT/oai:DUETT:duett-11232005-102057
Date24 November 2005
CreatorsBouw, Irene Ingeborg Dr.
ContributorsHelene Esnault, Bas Edixhoven
PublisherGerhard-Mercator-Universitaet Duisburg
Source SetsDissertations and other Documents of the Gerhard-Mercator-University Duisburg
LanguageGerman
Detected LanguageEnglish
Typetext
Formatapplication/pdf, text/html
Sourcehttp://www.ub.uni-duisburg.de/ETD-db/theses/available/duett-11232005-102057/
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