Now showing items 1-20 of 120

• #### 1036 - Actions and Invariants of Residually Finite Groups: Asymptotic Methods ﻿

[OWR-2010-40] (2010) - (05 Sep - 11 Sep 2010)
The workshop brought together experts in finite group theory, L2-cohomology, measured group theory, the theory of lattices in Lie groups, probability and topology. The common object of interest was residually finite groups, ...
• #### 1605 - Algebraic Cobordism and Projective Homogeneous Varieties ﻿

[OWR-2016-5] (2016) - (31 Jan - 06 Feb 2016)
The aim of this workshop was to bring together researchers in the theory of projective homogeneous varieties with researchers working on cohomology theories of algebraic varieties, so that the latter can learn about the ...
• #### 0717 - Algebraic Groups ﻿

[OWR-2007-22] (2007) - (22 Apr - 28 Apr 2007)
The workshop continued a series of Oberwolfach meetings on algebraic groups, started in 1971 by Tonny Springer and Jacques Tits who both attended the present conference. This time, the organizers were Michel Brion, Jens ...
• #### 1315 - Algebraic Groups ﻿

[OWR-2013-17] (2013) - (07 Apr - 13 Apr 2013)
Linear algebraic groups is an active research area in contemporary mathematics. It has rich connections to algebraic geometry, representation theory, algebraic combinatorics, number theory, algebraic topology, and differential ...
• #### 1016 - Algebraic Groups ﻿

[OWR-2010-19] (2010) - (18 Apr - 24 Apr 2010)
The workshop dealt with a broad range of topics from the structure theory and the representation theory of algebraic groups (in the widest sense). There was emphasis on the following areas: • classical and quantum cohomology ...
• #### 1717 - Algebraic Groups ﻿

[OWR-2017-21] (2017) - (23 Apr - 29 Apr 2017)
Linear algebraic groups is an active research area in contemporary mathematics. It has rich connections to algebraic geometry, representation theory, algebraic combinatorics, number theory, algebraic topology, and differential ...
• #### 0714 - Arbeitsgemeinschaft: Conformal Field Theory ﻿

[OWR-2007-17] (2007) - (01 Apr - 07 Apr 2007)
The Arbeitsgemeinschaft mit aktuellem Thema Algebraic structures in conformal field theories'', organized by Y. Kawahigashi (University of Tokyo), V. Ostrik (University of Oregon) and C. Schweigert (University of Hamburg), ...
• #### 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.
• #### 0804 - Buildings: Interactions with Algebra and Geometry ﻿

[OWR-2008-3] (2008) - (20 Jan - 26 Jan 2008)
The focus of the conference was on buildings and their applications. Buildings are combinatorial structures (metric cell complexes) which may be viewed as simultaneous generalizations of trees and projective spaces. There ...
• #### 0834 - C*-Algebras ﻿

[OWR-2008-37] (2008) - (17 Aug - 23 Aug 2008)
A C*-algebra is an involutive Banach algebra $A$ which satisfies the C*-condition $\|a^*a\|=\|a\|^2$ for all $a\in A$. The theory of C*-algebras goes back to work of Murray and von Neumann, who first studied a special ...
• #### 0535 - C*-Algebren ﻿

[OWR-2005-41] (2005) - (28 Aug - 03 Sep 2005)
The aim of the workshop C ∗ -algebras was to bring together researchers from basi- cally all areas related to operator algebra theory. This gives a unique opportunity to obtain a broader view of the subject and to create ...
• #### 1335 - C*-Algebren ﻿

[OWR-2013-43] (2013) - (25 Aug - 31 Aug 2013)
C*-algebras play an important role in many modern areas of mathematics, like Noncommutative Geometry and Topology, Dynamical Systems, Harmonic Analysis and others. The conference “C*-algebras” brings together leading experts ...
• #### 1010 - C*-Algebren ﻿

[OWR-2010-13] (2010) - (07 Mar - 13 Mar 2010)
The theory of C*-algebras plays a major role in many areas of modern mathematics, like Non-commutative Geometry, Dynamical Systems, Harmonic Analysis, and Topology, to name a few. The aim of the conference “C*-algebras” ...
• #### Calculating conjugacy classes in Sylow p-subgroups of finite Chevalley groups of rank six and seven ﻿

[OWP-2013-10] (Mathematisches Forschungsinstitut Oberwolfach, 2013-04-10)
Let $G(q)$ be a finite Chevalley group, where $q$ is a power of a good prime $p$, and let $U(q)$ be a Sylow $p$-subgroup of $G(q)$. Then a generalized version of a conjecture of Higman asserts that the number $k(U(q))$ of ...
• #### Cataland: Why the Fuß? ﻿

[OWP-2019-01] (Mathematisches Forschungsinstitut Oberwolfach, 2019-01-21)
The three main objects in noncrossing Catalan combinatorics associated to a finite Coxeter system are noncrossing partitions, clusters, and sortable elements. The first two of these have known Fuß-Catalan generalizations. ...
• #### Categoric Aspects of Authentication ﻿

[OWP-2012-05] (Mathematisches Forschungsinstitut Oberwolfach, 2012-04-24)
• #### Cocharacter-closure and spherical buildings ﻿

[OWP-2015-12] (Mathematisches Forschungsinstitut Oberwolfach, 2015-07-29)
Let $k$ be a field, let $G$ be a reductive $k$-group and $V$ an affine $k$-variety on which $G$ acts. In this note we continue our study of the notion of cocharacter-closed $G(k)$-orbits in $V$. In earlier work we used a ...
• #### Cocharacter-Closure and the Rational Hilbert-Mumford Theorem ﻿

[OWP-2014-16] (Mathematisches Forschungsinstitut Oberwolfach, 2014-12-20)
For a field $k$, let $G$ be a reductive $k$-group and $V$ an affine $k$-variety on which $G$ acts. Using the notion of cocharacter-closed $G(k)$-orbits in $V$ , we prove a rational version of the celebrated Hilbert-Mumford ...
• #### 0536 - Cohomology of Finite Groups: Interactions and Applications ﻿

[OWR-2005-42] (2005) - (04 Sep - 10 Sep 2005)
This is a report on a meeting on interactions and applications of the cohomology of finite groups. Besides several talks on the cohomology of finite groups there were talks on related subjects, in particular on the cohomology ...
• #### 1030 - Cohomology of Finite Groups: Interactions and Applications ﻿

[OWR-2010-32] (2010) - (25 Jul - 31 Jul 2010)
The cohomology of finite groups is an important tool in many subjects including representation theory and algebraic topology. This meeting was the third in a series that has emphasized the interactions of group cohomology ...