Stefan Witzel - Talks
Selected talks
Conference talks
- 29 June 2018, Simple groups separated by finiteness properties, Norddeutsches Gruppentheorie-Kolloquium 2018, TU Braunschweig.
- June 2018, Simple groups separated by finiteness properties, Cohomological and Metric Properties of Groups of Homeomorphisms of R, Mathematisches Forschungsinstitut Oberwolfach.
- March 2018, Exotic building lattices, Gemeinsame Jahrestagung GDMV, Paderborn.
- 5 February 2018, The complex of boundary braids, Winterbraids VIII, Luminy.
- 1 December 2017, Exotic building lattices, Groups and Geometry in the South East, University of Southampton.
- 28 September 2017, On panel-regular Ã2 lattices, Buildings and symmetry, University of Western Australia, Perth.
- 4 March 2016, On certain Ã2 lattices, Sheds 2016, Universität Münster.
- 29 September 2015, Solving equations to find uniform lattices, Buildings 2015, Universität Münster.
- 3 September 2015, The Basilica Thompson group is not finitely presented, Finiteness Conditions in Topology and Algebra, Queen's University Belfast.
- 5 December 2014, Groups with infinite homology modulo a prime, Geometric Group Theory in Bonn, Max Planck Institute Bonn.
- 27 May 2014, Thompson groups for families of groups and their finiteness properties, Workshop on the Extended Family of R. Thompson's Groups, University of St. Andrews.
- 15 October 2013, Proper finiteness properties of certain solvable arithmetic groups, Classifying spaces, loop spaces and finiteness, Københavns Universitet.
- 13 August 2013, Classifying spaces for families of subgroups and their finiteness properties, Geometric and Cohomological Group Theory, EPSRC Durham Symposium.
- 15 April 2013, Proper finiteness properties of some solvable arithmetic groups in positive characteristic, Arithmetic Groups, BIRS, Banff, Alberta.
- 2 October 2012, Generalizations of Abels's groups and their Bredon-finiteness properties, Buildings 2012, Universität Münster.
- 20 June 2012, Finiteness properties of S-arithmetic groups, Journées Solstice d'été, Paris.
- 17 February 2012, Cocompact actions for arithmetic groups, Groups and Geometry in the South East, Oxford.
- 5 November 2011, Einfach zusammenhängende Geometrien und Präsentierungen von Gruppen, Norddeutsches Gruppentheorie Kolloquium, Universität Gießen.
- 4 October 2011, Some convex subsets of Euclidean buildings, Buildings 2011, Universität Münster.
- 19 July 2011, Finiteness properties of S-arithmetic groups, Geometric presentations of finite and infinite groups, University of Birmingham.
- 30 April 2011, Finiteness properties of S-arithmetic groups, Buildings, automorphisms of RAAGs, and outer space, Ohio State University, Columbus.
- 4 October 2010, Finiteness properties of S-arithmetic groups, Buildings 2010, Universität Münster.
Colloquium talks
- 11 February 2016, Thompson's group F, its relatives, and their finiteness properties, Universität Bielefeld.
- 16 October 2015, Higher finiteness properties of arithmetic groups, University of Southampton.
- 10 April 2015, How finite are infinite groups?, Tufts University, Boston.
Seminar talks
- 19 February 2018, Simple groups separated by finiteness properties, Université Paris-Sud, Orsay.
- 24 November 2016, A framework for Thompson groups, EPFL Lausanne.
- 8 March 2016, On certain Ã2 lattices, Université catholique de Louvain, Louvain-la-Neuve.
- 18 September 2015, Proper finiteness properties of some solvable arithmetic groups, Heinrich-Heine Universität Düsseldorf.
- 30 April 2015, Higher finiteness properties of arithmetic groups in positive characteristic, University of Chicago.
- 23 April 2015, The Σ-invariants of Thompson's group F, SUNY at Albany.
- 16 April 2015, Arithmetic groups, finiteness properties, and homology, Binghamton University.
- 23 March 2015, A criterion for detecting infinite group homology, Université catholique de Louvain, Louvain-la-Neuve.
- 30 January 2015, Finiteness and infiniteness of group homology, Universität Regensburg.
- 19 February 2013, Finiteness properties of arithmetic groups in positive characteristic, Universität Paderborn.
- 18 January 2013, Finiteness properties of arithmetic groups in positive characteristic, Université Claude Bernard Lyon 1.
- 14 November 2012, Finiteness properties of Thompson's groups, Justus-Liebig-Universität Gießen.
- 29 June 2012, Harder's reduction theory and the Rank Theorem, Tufts University, Boston.
- 20 March 2012, Bredon-finiteness properties of Abels's groups, Universität Bielefeld.
- 15 February 2012, Groups with prescribed finiteness properties, University of Oxford.
- 25 January 2012, Brown's Criterion by Example, Universität Bielefeld.
- 28 April 2009, Finiteness properties of unitary forms of Kac-Moody groups, University of Virginia, Charlottesville.