Prof. Dr. Stefan Wewers

• Stefan Wewers
• Helmholtzstr. 18, Raum E 12
• Telefon (0731) 50 - 32452

Postanschrift:

• Universität Ulm
• Institut für Reine Mathematik
• D-89069 Ulm

Sprechzeiten:  Dienstag, 10-11 Uhr

Research

current projects

Quotient singularities and semistable reduction

(DFG priority program SPP1489)

• Computing L-functions and semistable reduction of superelliptic curves, with Irene Bouw, preprint, 2012
• Another proof of the semistable reduction theorem, with Kai Arzdorf, preprint, 2012

The lifting problem

• Cyclic extensions and the local lifting problem, with Andrew Obus, preprint, 2012. To appear in: Annals of Math.
• Fiercely ramified cyclic extensions of p-adic fields with imperfect residue field, preprint, 2011. To appear in: Manuscripta mathematica.

The nonabelian Chabauty method

• Explicit Chabauty-Kim theory for the thrice punctured line in depth two, with Ishai Dan-Cohen, preprint, 2012
• A nonabelian conjecture of Birch and Swinnerton-Dyer type for hyperbolic curves, with Minhyong Kim, Jennifer Balakrishnan and Ishai Dan-Cohen, preprint, 2012               (some Sage code related to this paper)