The KANT Group Institut für Mathematik TU Berlin

Number Theory Conference

on the occasion of Prof. Dr. Michael E. Pohst's 60th birthday

from Thursday June 9th, 1 pm to Saturday June 11th, 2:30 pm

The conference took place in room MA 144 in the mathematics building of TU Berlin, Straße des 17. Juni 136, 10623 Berlin.

Program Special Issue of JTNB Participants Accomodation Organizers

Special Issue of JTNB

There will be a special of issue of the Journal de Theorie de Nombre de Bordeaux dedicated to Michael Pohst on the occasion of his 60th birthday. This special volume will appear independently from the surprise conference from June 9th to 11th 2005 in Berlin. If you would like to submit an article for this issue please submit it directly to the journal. The deadline for submissions is the end of December 2005. Detailed information on the submission of articles can be found on:

The articles should be dedicated to Michael Pohst's 60th birthday.


All talks unless noted otherwise took place in room MA 144 ot the mathematics building of TU Berlin.

Thursday, 9.6.2005

Session Chair: Katherine Roegner

13:00 - 14:50Check-In (MA 144) and Lunch
14:50 - 15:00 Opening
15:00 - 16:00 Helmut Koch: Remarks on the Foundations of Class Field Theory
16:00 - 16:15 Coffee
16:15 - 16:40 Jürgen Klüners: The number of S4-fields with given discriminant
16:45 - 17:10 Claus Fieker: Computations of and with Units
17:30 - 18:30Johannes Buchmann: Digital signatures in the time of quantum computers (in auditorium MA 001)
18:45 - Reception (in the mathematics library)

Friday, 10.6.2005

Session Chair: Martin Schörnig

10:00 - 11:00Henri Cohen: Applications of the p-adic gamma function
11:00 - 11:15Coffee
11:15 - 11:40Attila Pethö: Units and Diophantine Equations
11:45 - 12:10Mark Watkins: Indefinite LLL
12:15 - 14:30Lunch

Session Chair: Mario Daberkow

14:30 - 15:30Ken Nakamula: New polynomials producing absolute pseudoprimes with many factors
15:30 - 16:00Coffee
16:00 - 16:25Marcus Wagner: On the Computation of Humbert-Hermite Constants of Real Quadratic Number Fields
16:30 - 16:55 Aneesh Karve: GiANT - Graphical Interfaces for Computer Algebra Systems [project]
17:00 - 17:30Reinhard Schertz: Applications of Complex Multiplication

Saturday, 11.6.2005

Session Chair: Klaus Wildanger

10:00 - 11:00Curt Meyer: Über die Diskriminante der n-ten Teilwerte der Weierstrassschen p-Funktion
11:00 - 11:15Coffee
11:15 - 11:40Florin Nicolae: On Artin's L-Functions
11:45 - 12:15Tobias Finis: On anticyclotomic μ-invariants for CM fields
12:15 - 12:30Closing
12:30 - 14:30Lunch


Andreas Schöpp, TU Berlin; Aneesh Karve, TU Berlin; Attila Pethö, Debreceni Egyetem; Carolin Just, TU Berlin; Carsten Friedrichs; Claus Fieker, University of Sydney; Curt Meyer, Uni Köln; Florian Heß, TU Berlin; Florin Nicolae, TU Berlin; Francisco Diaz y Diaz, Universite Bordeaux I; Helmut Koch, HU Berlin; Henri Cohen, Universite Bordeaux I; Horst Zimmer, Uni Saarbrücken; Ilaria Del Corso, Universita di Pisa; Istvan Gaal, Debreceni Egyetem; Johannes Buchmann, TU Darmstadt; Jose Mendez, TU Berlin; Jürgen Klüners, Uni Kassel; Jürg Kramer, HU Berlin; Katherine Roegner, TU Berlin; Ken Nakamula, Tokyo Metropolitan Uni; Klaus Wildanger; Maike Henningsen; Marcus Wagner, TU Berlin; Mario Daberkow; Mark Watkins, University of Bristol; Martin Schörnig; Michael Pohst, TU Berlin; Michel Olivier, Universite Bordeaux I; Mike Lache, TU Berlin; Osmanbey Uzunkol, TU Berlin; Reinhard Schertz, Uni Augsburg; Roberto Dvornicich, Universita di Pisa; Robert Fraatz, TU Berlin; Rolf Dieter Grigorieff, TU Berlin; Rosa Freund, TU Berlin; Sebastian Freundt, TU Berlin; Sebastian Pauli, TU Berlin; Siegfried Pohl, Uni BW München; Tobias Finis, HU Berlin; Ulrich Halbritter, Uni Köln; Wilhelm Zink, HU Berlin


The following hotels are used by our guests frequently: Other hotels in the area include: You could also consider renting an appartment: This hostel has single rooms and twin rooms and is close to TU Berlin:


István Gaál, Florian Hess, Sebastian Pauli