Browsing Oberwolfach Reports by MSC "05"

Anzeige der Dokumente 61-80 von 81

    • 1134b - Mini-Workshop: New Developments in Newton-Okounov Bodies 

      [OWR-2011-41] Workshop Report 2011,41 (2011) - (21 Aug - 27 Aug 2011)
      The theory of Newton-Okounkov bodies, also called Okounkov bodies, is a new connection between algebraic geometry and convex geometry. It generalizes the well-known and extremely rich correspondence between geometry of ...

    • 0910c - Mini-Workshop: Non-Negativity is a Quantum Phenomenon 

      [OWR-2009-14] Workshop Report 2009,14 (2009) - (01 Mar - 07 Mar 2009)
      In recent publications, the same combinatorial description has arisen for three separate objects of interest: non-negative cells in the real grassmannian (Postnikov, Williams); torus orbits of symplectic leaves in the ...

    • 2106c - Mini-Workshop: Nonpositively Curved Complexes (online meeting) 

      [OWR-2021-8] Workshop Report 2021,8 (2021) - (07 Feb - 13 Feb 2021)
      The leading theme of the meeting was to understand nonpositively curved complexes and groups acting on them. Motivations, questions, results, and techniques being presented and discussed come from various areas of ...

    • 1609a - Mini-Workshop: PBW Structures in Representation Theory 

      [OWR-2016-13] Workshop Report 2016,13 (2016) - (28 Feb - 05 Mar 2016)
      The PBW structures play a very important role in the Lie theory and in the theory of algebraic groups. The importance is due to the huge number of possible applications. The main goal of the workshop was to bring together ...

    • 0715c - Mini-Workshop: Positional Games 

      [OWR-2007-20] Workshop Report 2007,20 (2007) - (08 Apr - 14 Apr 2007)
      Positional games is one of rapidly developing subjects of modern combinatorics, researching two player perfect information games of combinatorial nature, ranging from recreational games like Tic-Tac-Toe to purely abstract ...

    • 1840a - Mini-Workshop: Positional Games 

      [OWR-2018-44] Workshop Report 2018,44 (2018) - (30 Sep - 06 Oct 2018)
      This mini-workshop focused on Positional Games and related fields. Positional Games Theory is a branch of Combinatorics whose main aim is to systematically develop an extensive mathematical basis for a variety of two-player ...

    • 1915a - Mini-Workshop: Recent Progress in Path Integration on Graphs and Manifolds 

      [OWR-2019-16] Workshop Report 2019,16 (2019) - (07 Apr - 13 Apr 2019)
      Ever since Richard Feynman's PhD thesis, path integrals have played a decisive role in mathematical physics. While it is well-known that such formulae can hold only formally, it was Mark Kac who realized that by replacing ...

    • 1816c - Mini-Workshop: Superexpanders and Their Coarse Geometry 

      [OWR-2018-19] Workshop Report 2018,19 (2018) - (15 Apr - 21 Apr 2018)
      It is a deep open problem whether all expanders are superexpanders. In fact, it was already a major challenge to prove the mere existence of superexpanders. However, by now, some classes of examples are known: Lafforgue’s ...

    • 2003 - Model Theory: Groups, Geometries and Combinatorics 

      [OWR-2020-2] Workshop Report 2020,2 (2020) - (12 Jan - 18 Jan 2020)
      The focus of the conference were recent interactions between model theory, group theory and combinatorics in finite geometries. In some cases, in particular in non-archimedean geometry or combinatorics in finite geometries, ...

    • 1601 - Model Theory: groups, geometry, and combinatorics 

      [OWR-2016-1] Workshop Report 2016,1 (2016) - (03 Jan - 09 Jan 2016)
      This conference was about recent interactions of model theory with combinatorics, geometric group theory and the theory of valued fields, and the underlying pure model-theoretic developments. Its aim was to report on recent ...

    • 2312 - New Directions in Real Algebraic Geometry 

      [OWR-2023-15] Workshop Report 2023,15 (2023) - (19 Mar - 24 Mar 2023)
      This workshop explored the forefront of connections of real algebraic geometry with convex analysis, combinatorics, and computational complexity. Important aspects have been promising interactions with the fields of quantum ...

    • 1718 - O-Minimality and its Applications to Number Theory and Analysis 

      [OWR-2017-22] Workshop Report 2017,22 (2017) - (30 Apr - 06 May 2017)
      The workshop brought together researchers in the areas of o-minimal structures, analysis and number theory. The latest developments in o-minimality and their applications to number theory and analysis were presented in a ...

    • 0732 - Permutation Groups 

      [OWR-2007-37] Workshop Report 2007,37 (2007) - (05 Aug - 11 Aug 2007)
      Abstract. The theory of permutation groups is essentially the theory of symmetry for mathematical and physical systems, and therefore has major impact in diverse areas of mathematics. Recent significant advances in permutation ...

    • 2313 - Random Graphs: Combinatorics, Complex Networks and Disordered Systems 

      [OWR-2023-16] Workshop Report 2023,16 (2023) - (26 Mar - 31 Mar 2023)
      Since the turn of the millennium the theory of random graphs has advanced by leaps and bounds. Random graphs have found very many applications, and many unexpected applications, in a remarkable variety of disciplines, and ...

    • 0904 - Random Trees 

      [OWR-2009-3] Workshop Report 2009,3 (2009) - (18 Jan - 24 Jan 2009)
      The meeting was devoted to random trees, a central concept in mathematics that provides a key way of thinking about relationships between objects such as particles in a fluid, individuals in a population, or labels in a ...

    • 2103 - Spatial Networks and Percolation (hybrid meeting) 

      [OWR-2021-4] Workshop Report 2021,4 (2021) - (17 Jan - 23 Jan 2021)
      The classical percolation problem is to find whether there is an infinite connected component in a random set created by removing edges from a $d$-dimensional lattice, independently at random. Since its introduction into ...

    • 0519 - Stochastic Analysis and Non-Classical Random Processes 

      [OWR-2005-23] Workshop Report 2005,23 (2005) - (08 May - 14 May 2005)
      The workshop focused on recent developments in the theory of stochastic processes and flows, with special emphasis on emerging new classes of processes, as well as new objects whose limits are expected to coincide with ...

    • 2211a - The Laguerre-Pólya Class and Combinatorics 

      [OWR-2022-13] Workshop Report 2022,13 (2022) - (13 Mar - 19 Mar 2022)
      The talks at the workshop were focused on zero localization and zero finding of entire functions, with applications to analytic number theory and combinatorics. The discussions included specific areas such as stable and ...

    • 1106 - Topological and Geometric Combinatorics 

      [OWR-2011-8] Workshop Report 2011,8 (2011) - (06 Feb - 12 Feb 2011)
      The 2011 Oberwolfach meeting “Topological and Geometric Combinatorics” was organized by Anders Björner (Stockholm), Gil Kalai (Jerusalem), Isabella Novik (Seattle), and Günter M. Ziegler (Berlin). It covered a wide variety ...

    • 1803 - Topology of Arrangements and Representation Stability 

      [OWR-2018-2] Workshop Report 2018,2 (2018) - (14 Jan - 20 Jan 2018)
      The workshop “Topology of arrangements and representation stability” brought together two directions of research: the topology and geometry of hyperplane, toric and elliptic arrangements, and the homological and representation ...