Konferenzen
| WAIFI 2012 | The International Workshop on the Arithmetic of Finite Fields | 16-19 July 2012 | Ruhr-Universität Bochum |
| MAYA Workshop 2011 | New Applications of New Computational Problems | 28 and 29 July 2011 | Ruhr-Universität Bochum |
| Kryptotag 2011 | Kryptotag 2011 | 21 and 22 March 2011 | Ruhr-Universität Bochum |
| Factoring 2009 | Factoring 2009 | 11 and 12 September 2009 | Ruhr-University of Bocum |
| Eurocrypt 2009 | Eurocrypt 2009 The conference of IACR.The local organizer is HGI, General Chair is Alexander May | 26-30 April 2009 | Cologne |