Notes of seminar talks given at the WWU Münster

Exotic aspherical manifolds SS 2009

Margulis's normal subgroup theorem SS 2009

Isomorphisms in l^1-homology WS 06/07

The ergodic decomposition Theorem SS 2006

Representation theory of Lie algebras SS 2006

Nash equilibria SS 2005

Homology and Seminorms SS 2005

The Proportionality Principle of Simplicial Volume SS 2004

Simplicial Volume WS 03/04

Stationäre Maße und Zeitmittel SS 2003

Mannigfaltigkeiten halten nicht WS 02/03

Normal Forms for Letterless Fragments of GLP WS 02/03

Packen weniger kongruenter Kreise in ein Quadrat WS 02/03

Schnittzahlen von ebenen algebraischen Kurven , Der Satz von Bezout SS 2002

Instructions for Obstructions ( lange Version - zusammen mit Marcus Meyer) Hindernisse für Schnitte von Faserungen ( Hindernisse und charakteristische Klassen - von Marcus Meyer) WS 01/02

Notes of seminar talks given at the University of Konstanz

Fixpunktmengen gewisser Z/2-Operationen SS 2001

Klassifikation der kompakten Flächen SS 2000

Invited presentations

Manifolds not presentable by products February 2010, Mathematisches Kolloquium, Universität Regensburg.

Manifolds and groups not presentable by products, November 2009, HIM Trimester Program on Rigidity : Workshop: Rigidity in cohomology, K-theory, geometry and ergodic theory , HIM Bonn.

Fundamental classes not representable by products August 2009, Summer School Geometry and Rigidity of Groups , WWU Münster.

Fundamental classes not representable by products February 2009, Topology Seminar, University of Aberdeen

Simplicial volume of non-compact manifolds September 2008, Workshop Topologie, Oberwolfach

(In)Varianten September 2008, Mathe-Tage WWU Münster.

Simplicial volume of non-compact manifolds April 2008, Ninth NRW Topology Meeting , WWU Münster.

Isomorphisms in l^1-homology October 2007, Oberseminar Topologie, Universität Bonn.

Save early, save often! October 2007, (Post)Doktorandentreffen Rothenberge.

Lipschitz simplicial volume (preprints with similar content: pdf, pdf ). April 2007, Geometry/Topology Seminar, University of Chicago.

Isomorphisms in l^1-homology January 2007, Geometrie-Seminar, ETH Zürich, Switzerland.

Isomorphisms in l^1-homology January 2007, Oberseminar Geometrie, LMU München.

Simplicial volume and L^2-Betti numbers November 2006, Colloquium of the Graduiertenkolleg "Gruppen und Geometrie", Göttingen.

Simplicial volume and L^2-Betti numbers April 2006, Differential Topology seminar at Kyoto University, Japan.