• 1114 - Arbeitsgemeinschaft: Rational Homotopy Theory in Mathematics and Physics 

      [OWR-2011-18] (2011) - (03 Apr - 08 Apr 2011)
      This Arbeitsgemeinschaft focused on the interplay among rational homotopy theory, differential geometry and the physics of string topology. The talks centered on one hand on how geometry and string topology make use of ...
    • 0841 - Arbeitsgemeinschaft: Ricci Flow and the Poincare Conjecture 

      [OWR-2008-46] (2008) - (05 Oct - 11 Oct 2008)
    • 1841 - Arbeitsgemeinschaft: Rigidity of Stationary Measure 

      [OWR-2018-47] (2018) - (07 Oct - 12 Oct 2018)
      The aim of this Arbeitsgemeinschaft was to understand the classification of stationary measures for semisimple random walks on a finite volume homogeneous space and its applications as described in the two papers [1] and [2].
    • 1341 - Arbeitsgemeinschaft: Sofic Entropy 

      [OWR-2013-50] (2013) - (06 Oct - 11 Oct 2013)
      The notion of soficity for a group is a weak type of finite approximation property that simultaneously generalizes both amenability and residual finiteness. In 2008 L. Bowen discovered how it can be used to significantly ...
    • 1414 - Arbeitsgemeinschaft: Superrigidity 

      [OWR-2014-16] (2014) - (30 Mar - 05 Apr 2014)
      The purpose of the Arbeitsgemeinschaft was to review old and new phenomenas of rigidity in mathematics. The broad spectrum of such results was covered, such as Margulis-Zimmer superrigidity, cocyle and character rigidity.
    • 1614 - Arbeitsgemeinschaft: The Geometric Langlands Conjecture 

      [OWR-2016-20] (2016) - (03 Apr - 09 Apr 2016)
      The Langlands program is a vast, loosely connected, collection of theorems and conjectures. At quite different ends, there is the geometric Langlands program, which deals with perverse sheaves on the stack of $G$-bundles ...
    • 1514 - Arbeitsgemeinschaft: The Kadison-Singer Conjecture 

      [OWR-2015-17] (2015) - (29 Mar - 04 Apr 2015)
      The solution to the Kadison–Singer conjecture used techniques that intersect a number of areas of mathematics. The goal of this Arbeitsgemeinschaft was to bring together people from each of these fields to support interactions ...
    • 2141 - Arbeitsgemeinschaft: Thin Groups and Super-approximation (hybrid meeting) 

      [OWR-2021-50] (2021) - (10 Oct - 15 Oct 2021)
      The aim of this workshop was to discuss the super-approximation of thin groups, its dynamical implications in terms of the mixing of geodesic flows, and applications to various problems in arithmetic, geometry, and dynamics.
    • 1814 - Arbeitsgemeinschaft: Topological Cyclic Homology 

      [OWR-2018-15] (2018) - (01 Apr - 07 Apr 2018)
      Introduced by Bökstedt-Hsiang-Madsen in the nineties, topological cyclic homology is a manifestation of the dual visions of Connes-Tsygan and Waldhausen to extend de Rham cohomology to a noncommutative setting and to ...
    • 1041 - Arbeitsgemeinschaft: Topological Robotics 

      [OWR-2010-47] (2010) - (10 Oct - 16 Oct 2010)
      The purpose of the Arbeitsgemeinschaft was to enable PhD students and researchers to study Topological Robotics, a new field investigating topological problems motivated by robotics and engineering as well as problems of ...
    • 1441 - Arbeitsgemeinschaft: Totally Disconnected Groups 

      [OWR-2014-47] (2014) - (05 Oct - 10 Oct 2014)
      Locally compact groups are ubiquitous in the study of many continuous or discrete structures across geometry, analysis and algebra. Every locally compact group is an extension of a connected group by a totally disconnected ...
    • 1942 - Arbeitsgemeinschaft: Zimmer's Conjecture 

      [OWR-2019-48] (2019) - (13 Oct - 18 Oct 2019)
      The aim of this Arbeitsgemeinschaft was to understand the recent progress on Zimmer's conjecture in [1,2]. The week focuses on the cocompact case from [1].
    • 0031 - Arithmetic Algebraic Geometry 

      [TB-2000-31] (2000) - (30 Jul - 05 Aug 2000)
    • 0832 - Arithmetic Algebraic Geometry 

      [OWR-2008-35] (2008) - (03 Aug - 09 Aug 2008)
    • 0432 - Arithmetic Algebraic Geometry 

      [OWR-2004-37] (2004) - (01 Aug - 07 Aug 2004)
    • 0228 - Arithmetic and Differential Galois Groups 

      [TB-2002-34] (2002) - (07 Jul - 13 Jul 2002)
    • 0720 - Arithmetic and Differential Galois Groups 

      [OWR-2007-26] (2007) - (13 May - 19 May 2007)
      Galois theory is the study of symmetries in solution spaces of polynomial and differential equations and more generally of the relation between automorphism groups (or group schemes respectively) and the structure of ...
    • 1232 - Arithmetic Geometry 

      [OWR-2012-38] (2012) - (05 Aug - 11 Aug 2012)
      The focus of the workshop was the connection between algebraic geometry and arithmetic. Most lectures were on p-adic topics, underlining the importance of Fontaine’s theory in the field, namely it gives a relation between ...
    • 1632 - Arithmetic Geometry 

      [OWR-2016-38] (2016) - (07 Aug - 13 Aug 2016)
      Arithmetic geometry is at the interface between algebraic geometry and number theory, and studies schemes over the ring of integers of number fields, or their $p$-adic completions. An emphasis of the workshop was on p-adic ...
    • 2030 - Arithmetic Geometry (hybrid meeting) 

      [OWR-2020-20] (2020) - (19 Jul - 25 Jul 2020)
      Arithmetic geometry is at the interface between algebraic geometry and number theory, and studies schemes over the ring of integers of number fields, or their $p$-adic completions, and connects with representation theory, ...