• 0611 - Analysis and Topology in Interaction 

      [OWR-2006-13] (2006) - (12 Mar - 18 Mar 2006)
      This workshop brought together, on the one side, mathematicians working in areas of global analysis and index theory, which are related with problems in algebraic topology, and on the other side, specialists in fields like ...
    • 0540 - Arbeitsgemeinschaft mit aktuellem Thema: Modern Foundations for Stable Homotopy Theory 

      [OWR-2005-46] (2005) - (02 Oct - 08 Oct 2005)
      In recent years, spectral algebra or stable homotopical algebra over structured ring spectra has become an important new direction in stable homotopy theory. This workshop provided an introduction to structured ring spectra ...
    • 0641 - Arbeitsgemeinschaft mit aktuellem Thema: Twisted K-Theory 

      [OWR-2006-46] (2006) - (08 Oct - 14 Oct 2006)
      The “Arbeitsgemeinsschaft mit aktuellem Thema ‘Twisted KTheory’ ” gave an introduction to several aspects of twisted K-theory. It started with a couple of different definitions of twisted K-theory, suitable in situations ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 1519 - Cohomology of Finite Groups: Interactions and Applications 

      [OWR-2015-24] (2015) - (03 May - 09 May 2015)
      The cohomology of finite groups is an important tool in many subjects including representation theory and algebraic topology. This meeting was the fourth in a series that has emphasized the interactions of group cohomology ...
    • 0827a - Computational Algebraic Topology 

      [OWR-2008-29] (2008) - (29 Jun - 05 Jul 2008)
    • 1542 - Computational Geometric and Algebraic Topology 

      [OWR-2015-45] (2015) - (11 Oct - 17 Oct 2015)
      Computational topology is a young, emerging field of mathematics that seeks out practical algorithmic methods for solving complex and fundamental problems in geometry and topology. It draws on a wide variety of techniques ...
    • Definable orthogonality classes in accessible categories are small 

      [OWP-2011-14] Bagaria, Joan; Casacuberta, Carles; Mathias, Adrian R. D.; Rosický, Jiří (Mathematisches Forschungsinstitut Oberwolfach, 2011-05-15)
      We lower substantially the strength of the assumptions needed for the validity of certain results in category theory and homotopy theory which were known to follow from Vopenka's principle. We prove that the necessary ...
    • 1619 - Factorization Algebras and Functorial Field Theories 

      [OWR-2016-25] (2016) - (08 May - 14 May 2016)
      Factorization algebras are a new mathematical approach to quantum field theory. They are related to functorial field theories, another approach to quantum field theory. Factorization algebras also figure in current research ...
    • 1506 - Geometric and Algebraic Combinatorics 

      [OWR-2015-5] (2015) - (01 Feb - 07 Feb 2015)
      The 2015 Oberwolfach meeting “Geometric and Algebraic Combinatorics” was organized by Gil Kalai (Jerusalem), Isabella Novik (Seattle), Francisco Santos (Santander), and Volkmar Welker (Marburg). It covered a wide variety ...
    • 1504 - Geometric Topology 

      [OWR-2015-3] (2015) - (18 Jan - 24 Jan 2015)
      Geometric topology has seen significant advances in the understanding and application of infinite symmetries and of the principles behind them. On the one hand, for advances in (geometric) group theory, tools from algebraic ...
    • 0524 - Geometric Topology and Connections with Quantum Field Theory 

      [OWR-2005-27] (2005) - (12 Jun - 18 Jun 2005)
      In recent years, the interplay between traditional geometric topology and theoretical physics, in particular quantum field theory, has played a significant role in the work of many researchers. The idea of this workshop ...
    • Groups with Spanier-Whitehead Duality 

      [OWP-2019-23] Nishikawa, Shintaro; Proietti, Valerio (Mathematisches Forschungsinstitut Oberwolfach, 2019-09-17)
      We introduce the notion of Spanier-Whitehead $K$-duality for a discrete group $G$, defined as duality in the KK-category between two $C*$-algebras which are naturally attached to the group, namely the reduced group ...
    • Hight functions on quaternionic Stiefel manifolds 

      [OWP-2015-10] Macías-Virgós, Enrique; Strom, Jeffrey; Tanré, Daniel; Oprea, John (Mathematisches Forschungsinstitut Oberwolfach, 2015-07-29)
      In this note, we study height functions on quaternionic Stiefel manifolds and prove that all these height functions are Morse-Bott. Among them, we characterize the Morse functions and give a lower bound for their number ...
    • 1607b - Hochschild Cohomology in Algebra, Geometry, and Topology 

      [OWR-2016-10] (2016) - (14 Feb - 20 Feb 2016)
      In 1945 Gerhard Hochschild published "On the cohomology groups of an associative algebra" in the Annals of Mathematics and thereby created what is now called Hochschild theory. In 1963, Murray Gerstenhaber proved that the ...
    • 0738 - Homotopy Theory 

      [OWR-2007-45] (2007) - (16 Sep - 22 Sep 2007)
      Algebraic topology in general and homotopy theory in particular is in an exciting period of growth and transformation, driven in part by strong interactions with algebraic geometry, mathematical physics, and representation ...