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summer 2018
 
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Wojciech J. Gajda

professor of mathematics

Mailing address:
Faculty of Mathematics and Computer Science
Adam Mickiewicz University
Umultowska 87, 61-614 Poznań, POLAND
Office: Collegium Mathematicum, B1-35
Phone: +48 (61) 829 5503
Fax: +48 (61) 829 5315
Email: gajda AT amu DOT edu DOT pl

Research interests:

arithmetic geometry, number theory, algebraic topology, algebraic K-theory

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Rubén Muñoz-Bertrand, Laboratoire d'Informatique de l'École polytechnique

10.06.2026 12:00, B1-37

Title: Effective Artin-Schreier-Witt theory for curves

In arithmetic geometry, Artin-Schreier-Witt theory gives a way to construct unramified covers of curves. However, nobody has ever made a full computation using these techniques. In this talk, we will explain how we developed an algorithm which enables one to compute such covers. I will explain the motivation behind this problem, and the challenges that one faces using this theory. This is a joint work with Christophe Levrat (Inria Saclay).

Last modified: 16.11.2022