# Buildings 2012: Schedule

## Monday October 1 (Lecture Hall M5)

9:00 - 10:00 **Registration** at the office of Ms Beier and Ms Loew, Room 306.

(You may also register later on Monday.)

10:00 - 10:50 Hendrik Van Maldeghem (Gent)

A Mazzocca-Melone approach to Severi varieties.

**Coffee break**

11:20 - 11:50 Olga Varghese (Münster)

Fixed points for actions of Aut(F_{n}) on CAT(0) spaces.

12:00 - 12:40 Barbara Baumeister (Bielefeld)

News from permutation polytopes.

**Lunch break and Registration**

15:00 - 15:50 Walter Freyn (Darmstadt)

Combinatorial geometry of Chevalley groups.

**Coffee break**

16:20 - 16:50 Matthew Zaremsky (Bielefeld)

Higher generation for braid groups.

17:00 - 17:30 Daniel Skodlerack (Münster)

Geometric interpretation of intertwining and conjugacy of simple types.

17:40 - 18:20 Rupert McCallum (Münster)

A local-to-global result for some topological spherical buildings and topological twin buildings.

## Tuesday October 2 (Lecture Hall M5)

9:30 - 10:10 Pierre-Emmanuel Caprace (Louvain-la-Neuve)

Automorphism groups of right-angled buildings.

10:20 - 11:00 Katrin Tent (Münster)

Simplicity of automorphism groups of right-angled buildings.

**Coffee break**

11:30 - 12:00 Joshua Wiscons (Münster)

Moufang sets of finite Morley rank with nilpotent Hua subgroup.

**Lunch break**

15:00 - 15:50 Stefan Witzel (Münster)

Generalizations of Abels's groups and their Bredon-finiteness properties.

**Coffee break**

16:20 - 16:50 Corina Ciobotaru (Louvain-la-Neuve)

Gelfand pairs for groups acting on Euclidean buildings.

17:00 - 17:50 Timothée Marquis (Louvain-la-Neuve)

A fixed point theorem for Lie groups acting on buildings and applications to Kac-Moody theory.

## Wednesday October 3 (Lecture Hall M5)

9:30 - 10:20 Alexander Lytchak (Köln)

Compact homogeneous geometries.

10:30 - 11:00 Linus Kramer (Münster)

Tits systems in Lie groups.

**Coffee break**

11:30 - 12:10 Mathieu Carette (Louvain-la-Neuve)

Sharply 3-transitive groups and locally compact convergence groups.

**Short lunch break**

14:00 - 14:50 Koen Thas (Gent)

Regular points, and regular actions.

**Coffee break**

15:20 - 16:00 Koen Struyve (Gent)

Two-transitive tree actions and rigidity results for Euclidean buildings.

16:10 - 17:00 Ralf Köhl (Gießen)

A building-theoretic approach to relative Tamagawa numbers in positive characteristic.

**End of conference**