Mathematical Institute Newsletter
April 2003
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Toren Academiegebouw

The Mathematical Institute Newsletter is maintained by Jan-Hendrik Evertse. The newsletter will be issued the first week of each month, except for July and August. The electronic version of the newsletter can be found on
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Copy for the newsletter of May, such as announcements, personal notes, visits to conferences, guests, lectures of general interest, should be sent by e-mail to before April 27. Copy should be submitted in English plaintext, so that it can be inserted into the newsletter without time consuming typing or translating work.

Agenda and announcements

  • General Colloquium
    Thursday April 17, 4:00 pm, room 174
    Prof.dr. P. Stevenhagen (Universiteit Leiden): Primes is in P

  • Acquaintance between researchers from Delft and Leiden on May 8 at the Lorentz Center
    In connection with the integration of the mathematics programs of Leiden University and Delft University of Technology, on May 8 there will be a colloquium at the Lorentz Center at which researchers from Delft and Leiden give short presentations about on-going research. The colloquium is organized by Roger Cook (Delft) and Bas Edixhoven.

Personal notes

  • New employees (permanent faculty):
    - Dr. Sander C. Hille (ud), per May 1, 2003, research group Analysis (Prof.dr. S.J. Verduyn Lunel)


  • Guests of Prof.dr. S.A. van de Geer:
    - Vladimir Konakov (Academy of Sciences, Moscow) is visiting our institute from February 1 till the end of April. He is working with Prof. van de Geer on nonparametric models for dependent data and approximations by diffusions.
    - Bineeta Adityan (Mahatma Gandhi University, Kottayam) is visiting our institute from February 1-June 1. She is working with Prof. van de Geer on classification theory.

  • Guests of Prof.dr. S.J. Edixhoven:
    - Ariane Mezard (Orsay, France) is visiting our institute from February 1- July 31. She works in Arithmetic Algebraic Geometry.
    - Emmanuel Ficatier (student at the École Polytechnique at Palaiseau) will visit the geometry group from April 7-July 2. He will do a traineeship on factorization methods for large integers based on elliptic curves.

Working visits/visits to conferences

- Peter Stevenhagen will be at MSRI in Berkeley until April 5. On April 16 he will give a lecture at the General Colloquium of the University of Amsterdam on polynomial time primality tests. Further, he will visit Copenhagen University from April 27-30. On April 28 he will give a lecture on explicit class field theory.

Doctoral exams

- Hermen Jan Hupkes
Time/place: Thursday April 3, 10:00 am, room 409
Specialization: Analysis
Master's Thesis: Analysis of Newton's method to compute travelling wave solutions to lattice differential equations
Supervisor: Prof.dr. S.J. Verduyn Lunel

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