Research Group Geometry, Topology and Group Theory

Mathematisches Institut, Universität Münster

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Buildings 2011: Schedule

Tuesday October 4

13:00 - 15:00 Registration (at the office of Ms Beier and Ms Loew, Room 306)

15:00 - 15:50 Hendrik Van Maldeghem (Gent)
On the Freudenthal-Tits magic square.

Coffee break

16:20 - 16:50 Stefan Witzel (Münster)
Some convex subsets of Euclidean buildings.

17:00 - 17:50 Ralf Köhl (Gießen)
Local-to-global results for topological twin buildings.

Wednesday October 5

9:00 - 9:50 Katrin Tent (Münster)
On the isometry group of the Urysohn space.

10:00 - 10:30 Guntram Hainke (Gießen)
Alternating trilinear forms and Kac-Moody algebras of type En.

Coffee break

11:00 - 11:50 Bernhard Mühlherr (Gießen)
Multiple buildings.

12:00 - 12:30 Matthew Zaremsky (Bielefeld)
Some highly non-weakly transitive actions on buildings.

Lunch break

15:00 - 15:30 Barbara Baumeister (Bielefeld)
RGD-systems of right angled buildings.

Coffee break

16:00 - 16:40 Matthias Grüninger (Bielefeld)
Moufang twin trees.

16:50 - 17:40 Timothée Marquis (Louvain-la-Neuve)
Open subgroups of locally compact Kac-Moody groups.

Thursday October 6

9:00 - 9:50 Pierre-Emmanuel Caprace (Louvain-la-Neuve)
Trees, contractions and SL2.

10:00 - 10:30 Anja Steinbach (Gießen)
Special rank one groups with abelian unipotent subgroups are perfect.

Coffee break

11:00 - 11:40 Bruno Duchesne (Jerusalem)
Euclidean buildings which appear as asymptotic cones of infinite dimensional symmetric spaces.

11:50 - 12:30 Mathieu Carette (Louvain-la-Neuve)
Spectral rigidity of automorphic orbits in the free group.

Lunch break

14:30 - 15:10 Koen Struyve (Gent)
Descent of affine buildings.

15:20 - 15:50 Sebastian Weiß (Gießen)
On the Classification of twin buildings.

Coffee break

16:30 - 17:00 Walter Freyn (Münster)
A lightcone construction of the Tits building of a hyperbolic Kac-Moody group.

17:10 - 17:40 Norbert Knarr (Stuttgart)
Automorphisms of octonion fields in characteristic 2.

End of conference

Last modified: 09/30/11, 17:01:55