Cahit Arf Lecture 2001 by Gerhard Frey

Gerhard Frey

Brauer Groups and Data Security

Date: October 6, 2001
at 15:00

Cahit Arf Auditorium
Department of Mathematics
Middle East Technical University
Ankara, Turkey

Supported by


We will deal with public key cryptosystems based on discrete logarithms in elliptic curves and multiplicative groups of finite fields. It will be shown that these problems lead to 'explicit' class field theory as well as local and global computations in Brauer groups of number fields.