Browsing by MSC "53"

Now showing items 81-100 of 157

    • 1306a - Integral Geometry and its Applications 

      [OWR-2013-5] (2013) - (03 Feb - 09 Feb 2013)
      In recent years there has been a series of striking developments in modern integral geometry which has, in particular, lead to the discovery of new relations to several branches of pure and applied mathematics. A number ...

    • Invariant Four-forms and Symmetric Pairs 

      [OWP-2012-03] Moroianu, Andrei; Semmelmann, Uwe (Mathematisches Forschungsinstitut Oberwolfach, 2012-04-24)
      We give criteria for real, complex and quaternionic representations to define $s$-representations, focusing on exceptional Lie algebras defined by spin representations. As applications, we obtain the classification of ...

    • Killing Tensors on Tori 

      [OWP-2016-20] Heil, Konstantin; Moroianu, Andrei; Semmelmann, Uwe (Mathematisches Forschungsinstitut Oberwolfach, 2016-11-10)
      We show that Killing tensors on conformally at n-dimensional tori whose conformal factor only depends on one variable, are polynomials in the metric and in the Killing vector fields. In other words, every first integral ...

    • 0740 - Komplexe Algebraische Geometrie 

      [OWR-2007-47] (2007) - (30 Sep - 06 Oct 2007)
      The Conference focused on several classical theories in the realm of complex algebraic geometry, such as Abelian Varieties, Jacobians and Pryms, Moduli spaces, Variation of Hodge structures and Algebraic surfaces. New ...

    • Legendrian Lens Space Surgeries 

      [OWP-2016-10] Geiges, Hansjörg; Onaran, Sinem (Mathematisches Forschungsinstitut Oberwolfach, 2016-06-17)
      We show that every tight contact structure on any of the lens spaces $L(ns^2 - s + 1,s^2)$ with $n\geq 2, s \geq 1$, can be obtained by a single Legendrian surgery along a suitable Legendrian realisation of the negative ...

    • Legendrian rational unknots in lens spaces 

      [OWP-2013-06] Geiges, Hansjörg; Onaran, Sinem (Mathematisches Forschungsinstitut Oberwolfach, 2013-03-14)
      We classify Legendrian rational unknots with tight complements in the lens spaces $L(p,1)$ up to coarse equivalence. As an example of the general case, this classification is also worked out for $L(5, 2)$. The knots are ...

    • Locally conformally Kähler manifolds admitting a holomorphic conformal flow 

      [OWP-2010-13] Ornea, Liviu; Verbitsky, Misha (Mathematisches Forschungsinstitut Oberwolfach, 2010-03-15)
      A manifold $M$ is locally conformally Kähler (LCK) if it admits a Kähler covering $\tilde{M}$ with monodromy acting by holomorphic homotheties. Let $M$ be an LCK manifold admitting a holomorphic conformal flow of ...

    • 1925a - Logarithmic Enumerative Geometry and Mirror Symmetry 

      [OWR-2019-27] (2019) - (16 Jun - 22 Jun 2019)
      The new field of log enumerative geometry has formed at the crossroads of mirror symmetry, Gromov-Witten theory and log geometry. This workshop has been the first to promote this field and bring together the junior and ...

    • 1529 - Mathematical Aspects of General Relativity 

      [OWR-2015-33] (2015) - (12 Jul - 18 Jul 2015)
      The general theory of relativity is a remarkably accurate theory of gravitation, describing phenomena from the level of isolated bodies to the universe as a whole. The mathematical study of this theory leads to fascinating ...

    • 2135 - Mathematical Aspects of General Relativity (hybrid meeting) 

      [OWR-2021-40] (2021) - (29 Aug - 04 Sep 2021)
      General relativity is an area that naturally combines differential geometry, partial differential equations, global analysis and dynamical systems with astrophysics, cosmology, high energy physics, and numerical analysis. ...

    • 1832 - Mathematical General Relativity 

      [OWR-2018-36] (2018) - (05 Aug - 11 Aug 2018)
      General Relativity is one of the triumphs of twentieth century physics. Its spectacular predictions include gravitational waves, black holes, and spacetime singularities. The mathematical study of this theory leads to deep ...

    • Metric Algebraic Geometry 

      Breiding, Paul; Kohn, Kathlén; Sturmfels, Bernd (Birkhäuser Cham, 2024-02-27)
      Metric algebraic geometry combines concepts from algebraic geometry and differential geometry. Building on classical foundations, it offers practical tools for the 21st century. Many applied problems center around metric ...

    • Metric Connections with Parallel Skew-Symmetric Torsion 

      [OWP-2018-16] Cleyton, Richard; Moroianu, Andrei; Semmelmann, Uwe (Mathematisches Forschungsinstitut Oberwolfach, 2018-07-16)
      A geometry with parallel skew-symmetric torsion is a Riemannian manifold carrying a metric connection with parallel skew-symmetric torsion. Besides the trivial case of the Levi-Civita connection, geometries with non-vanishing ...

    • 2149a - Mini-Workshop: (Anosov)$^3$ (hybrid meeting) 

      [OWR-2021-56] (2021) - (05 Dec - 11 Dec 2021)
      Three different active fields are subsumed under the keyword Anosov theory: Spectral theory of Anosov flows, dynamical rigidity of Anosov actions, and Anosov representations. In all three fields there have been dynamic ...

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

      [OWR-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, ...

    • 2041c - Mini-Workshop: Almost Complex Geometry (online meeting) 

      [OWR-2020-33] (2020) - (04 Oct - 10 Oct 2020)
      The mini-workshop focused on very recent developments of analytic and algebraic techniques for studying almost complex structures which are not necessarily integrable. It provided a forum to discuss and compare techniques ...

    • 0633c - Mini-Workshop: Anisotropic Motion Laws 

      [OWR-2006-38] (2006) - (13 Aug - 19 Aug 2006)
      Anisotropic motion laws play a key role in many applications ranging from materials science, biophysics to image processing. All these highly diversified disciplines have made it necessary to develop common mathematical ...

    • 0518b - Mini-Workshop: Aspects of Ricci-Flow 

      [OWR-2005-21] (2005) - (01 May - 07 May 2005)
      The workshop studies Hamilton-Ricciflow of Riemannian metrics on 3-manifolds. The participants give detailed technical lectures on recent work of G. Perelman concerning a priori estimates and surgeries during the flow. The ...

    • 1508c - Mini-Workshop: Deformation Quantization: between formal to strict 

      [OWR-2015-11] (2015) - (15 Feb - 21 Feb 2015)
      The philosophy of deformation was proposed by Bayen, Flato, Fronsdal, Lichnerowicz, and Sternheimer in the seventies and since then, many developments occurred. Deformation quantization is based on such a philosophy in ...

    • 2047b - Mini-Workshop: Dimers, Ising and Spanning Trees beyond the Critical Isoradial Case (online meeting) 

      [OWR-2020-35] (2020) - (15 Nov - 21 Nov 2020)
      The goal of this mini-workshop is to gather specialists of the dimer, Ising and spanning tree models around recent and ongoing progress in two directions. One is understanding the connection to the spectral curve of these ...