Browsing Oberwolfach Reports by MSC "05"

Now showing items 41-60 of 85

    • 1008 - Graph Theory 

      [OWR-2010-11] Workshop Report 2010,11 (2010) - (21 Feb - 27 Feb 2010)
      Highlights of this workshop on structural graph theory included new developments on graph and matroid minors, continuous structures arising as limits of finite graphs, and new approaches to higher graph connectivity via ...

    • 1902 - Graph Theory 

      [OWR-2019-1] Workshop Report 2019,1 (2019)
      Graph theory is a rapidly developing area of mathematics. Recent years have seen the development of deep theories, and the increasing importance of methods from other parts of mathematics. The workshop on Graph Theory ...

    • 1303 - Graph Theory 

      [OWR-2013-2] Workshop Report 2013,2 (2013) - (13 Jan - 19 Jan 2013)
      This was a workshop on graph theory, with a comprehensive approach. Highlights included the emerging theories of sparse graph limits and of infinite matroids, new techniques for colouring graphs on surfaces, and extensions ...

    • 0503 - Graph Theory 

      [OWR-2005-3] Workshop Report 2005,3 (2005) - (16 Jan - 22 Jan 2005)
      This is the report on an Oberwolfach conference on graph theory, held 16-22 January 2005. There were three main components to the event: 5-minute presentations, lectures, and workshops. All participants were asked to give ...

    • 2201 - Graph Theory 

      [OWR-2022-1] Workshop Report 2022,1 (2022) - (02 Jan - 08 Jan 2022)
      Graph theory is a quickly developing area of mathematics, with an increasing number of connections to various parts of mathematics and computer science. The workshop aimed at bringing together a broad range of researchers at ...

    • 0713 - Graph Theory 

      [OWR-2007-16] Workshop Report 2007,16 (2007) - (25 Mar - 31 Mar 2007)
      This week broadly targeted both finite and infinite graph theory, as well as matroids, including their interaction with other areas of pure mathematics. The talks were complemented by informal workshops focussing on specific ...

    • 1334 - Group Theory, Measure, and Asymptotic Invariants 

      [OWR-2013-42] Workshop Report 2013,42 (2013) - (18 Aug - 24 Aug 2013)
      The workshop ‘Group Theory, Measure, and Asymptotic Invariants’ organized by Miklos Abert (Budapest), Damien Gaboriau (Lyon) and Andreas Thom (Leipzig) was held 18 - 24 August 2013. The event was a continuation of the ...

    • 0817 - Groups and Geometries 

      [OWR-2008-20] Workshop Report 2008,20 (2008) - (20 Apr - 26 Apr 2008)
      This was one of series of Oberwolfach workshops on Groups and Geometries which has taken place every 3 years for some time. There were three main inter-related themes: buildings and their relationship with algebraic groups; ...

    • 2040a - Lefschetz Properties in Algebra, Geometry and Combinatorics (hybrid meeting) 

      [OWR-2020-31] Workshop Report 2020,31 (2020) - (27 Sep - 03 Oct 2020)
      The themes of the workshop are the Weak Lefschetz Property - WLP - and the Strong Lefschetz Property - SLP. The name of these properties, referring to Artinian algebras, is motivated by the Lefschetz theory for projective ...

    • 2310a - MATRIX-MFO Tandem Workshop: Stochastic Reinforcement Processes and Graphs 

      [OWR-2023-12] Workshop Report 2023,12 (2023) - (05 Mar - 10 Mar 2023)
      Stochastic processes with reinforcement are the central theme of the present tandem workshop. We assembled a diverse group of international experts that worked on reinforcement dynamics from several different perspectives. ...

    • 1635 - Measured Group Theory 

      [OWR-2016-41] Workshop Report 2016,41 (2016) - (28 Aug - 03 Sep 2016)
      The workshop aimed to study discrete and Lie groups and their actions using measure theoretic methods and their asymptotic invariants, such as $\ell^2$-invariants, the rank gradient, cost, torsion growth, entropy-type ...

    • 1840c - Mini-Workshop: Algebraic, Geometric, and Combinatorial Methods in Frame Theory 

      [OWR-2018-46] Workshop Report 2018,46 (2018) - (30 Sep - 06 Oct 2018)
      Frames are collections of vectors in a Hilbert space which have reconstruction properties similar to orthonormal bases and applications in areas such as signal and image processing, quantum information theory, quantization, ...

    • 1440a - Mini-Workshop: Asymptotic Statistics on Stratified Spaces 

      [OWR-2014-44] Workshop Report 2014,44 (2014) - (28 Sep - 04 Oct 2014)
      Statistical analysis of non-Euclidean data such as data on manifolds is an active and established topic of research, for instance, in the statistical analysis of shape. However, many types of data naturally reside in metric ...

    • 1706a - Mini-Workshop: Cluster Expansions: From Combinatorics to Analysis through Probability 

      [OWR-2017-8] Workshop Report 2017,8 (2017) - (05 Feb - 11 Feb 2017)
      The workshop addressed the interplay between theory and applications of cluster expansions. These expansions, historically geared towards the study of systems in statistical mechanics, thermodynamics, and physical chemistry, ...

    • 1240c - Mini-Workshop: Cohomology Rings and Fundamental Groups of Hyperplane Arrangements, Wonderful Compactifications, and Real Toric Varieties 

      [OWR-2012-49] Workshop Report 2012,49 (2012) - (01 Oct - 06 Oct 2012)
      The purpose of this workshop was to bring together researchers with a common interest in the objects mentioned in the title from, respectively, the points of view of toric and tropical geometry, arrangement theory, and ...

    • 1941b - Mini-Workshop: Degeneration Techniques in Representation Theory 

      [OWR-2019-46] Workshop Report 2019,46 (2019) - (06 Oct - 12 Oct 2019)
      Modern Representation Theory has numerous applications in many mathematical areas such as algebraic geometry, combinatorics, convex geometry, mathematical physics, probability. Many of the object and problems of interest ...

    • 1507b - Mini-Workshop: Discrete p-Laplacians: Spectral Theory and Variational Methods in Mathematics and Computer Science 

      [OWR-2015-7] Workshop Report 2015,7 (2015) - (08 Feb - 14 Feb 2015)
      The p-Laplacian operators have a rich analytical theory and in the last few years they have also offered efficient tools to tackle several tasks in machine learning. During the workshop mathematicians and theoretical ...

    • 1034c - Mini-Workshop: Exploiting Symmetry in Optimization 

      [OWR-2010-38] Workshop Report 2010,38 (2010) - (22 Aug - 28 Aug 2010)
      The feasible regions of mathematical optimization models quite often exhibit a high degree of symmetry. In recent years, several groups of researchers have independently worked on algorithmic approaches to exploit such ...

    • 1545a - Mini-Workshop: Friezes 

      [OWR-2015-48] Workshop Report 2015,48 (2015) - (01 Nov - 07 Nov 2015)
      Frieze patterns were introduced in the early 1970s by Coxeter. They are infinite arrays of numbers in which every four neighbouring entries always satisfy the same arithmetic relation. Amazingly, friezes appear in many ...

    • 1215b - Mini-Workshop: Hypergraph Turan Problem 

      [OWR-2012-19] Workshop Report 2012,19 (2012) - (08 Apr - 14 Apr 2012)
      This mini-workshop focused on the hypergraph Turán problem. The interest in this difficult and old area was recently re-invigorated by many important developments such as the hypergraph regularity lemmas, flag algebras, ...