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Colloquium Mathematics, Professor Heckman

01 April 2014

Join us for coffee and tea at 15.30 p.m.


Tuesday, April 1st 2014


Prof. dr. G.J. Heckman

IMAPP, Faculty of Science, Radboud University Nijmegen


5161.0293 (Bernoulliborg)



Title: Real loci in particular ball quotients.


The moduli space M_{0,n} is the configuration space of n points on a projective line up to automorphisms. In 1986 Deligne and Mostow constructed a period map of M_{0,n} for n=5,6,8,12 to a ball quotient of dimension n-3. This generalizes the well known classical case n=4. Around 2000 various analoguous period maps have been found for configuration spaces of n points in the projective plane up to automorphisms for n=5,6,7,8 to ball quotients of dimension 2n-8. In the colloquium lecture I intend to explain the image of the real loci under the period map in the case of 6 points on a line and 6 points in the plane.

Colloquium coordinators are Prof.dr. A.C.D. van Enter (e-mail : and
Dr. A.V. Kiselev (e-mail: )

Last modified:06 June 2018 2.05 p.m.

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