Now showing items 1240-1259 of 1793

    • Non-stationary multivariate subdivision: joint spectral radius and asymptotic similarity 

      [OWP-2013-20] Charina, Maria; Conti, Costanza; Guglielmi, Nicola; Protasov, Vladimir (Mathematisches Forschungsinstitut Oberwolfach, 2013-10-29)
      In this paper we study scalar multivariate non-stationary subdivision schemes with a general integer dilation matrix. We present a new numerically efficient method for checking convergence and Hölder ...
    • 0736 - Noncommutative Geometry 

      [OWR-2007-43] (2007) - (02 Sep - 08 Sep 2007)
      Many of the various aspects of Noncommutative Geometry were represented in the talks. This includes in particular index theory on foliated spaces, a number of results on spectral triples, noncommutative manifolds and ...
    • 0937 - Noncommutative Geometry 

      [OWR-2009-41] (2009) - (06 Sep - 12 Sep 2009)
      Many of the different aspects of Noncommutative Geometry were represented in the talks. The list of topics that were covered includes in particular new insight into the geometry of a noncommutative torus, local index formulae ...
    • 1137 - Noncommutative Geometry 

      [OWR-2011-45] (2011) - (11 Sep - 17 Sep 2011)
      Noncommutative Geometry applies ideas from geometry to mathematical structures determined by noncommuting variables. This meeting concentrated primarily on those aspects of Noncommutative Geometry that are related to index ...
    • 1337 - Noncommutative Geometry 

      [OWR-2013-45] (2013) - (08 Sep - 14 Sep 2013)
      Noncommutative Geometry applies ideas from geometry to mathematical structures determined by noncommuting variables. This meeting emphasized the connections of Noncommutative Geometry to number theory and ergodic theory.
    • 1525 - Noncommutative Geometry 

      [OWR-2015-29] (2015) - (14 Jun - 20 Jun 2015)
      These reports contain an account of 2015’s meeting on noncommutative geometry. Noncommutative geometry has developed itself over the years to a completely new branch of mathematics shedding light on many other areas as ...
    • 1006b - Noncommutative Geometry and Loop Quantum Gravity: Loops, Algebras and Spectral Triples 

      [OWR-2010-9] (2010) - (07 Feb - 13 Feb 2010)
      Spectral triples have recently turned out to be relevant for different approaches that aim at quantizing gravity and the other fundamental forces of nature in a mathematically rigorous way. The purpose of this workshop was ...
    • 0543a - Noncommutative Geometry and Quantum Field Theory 

      [OWR-2005-48] (2005) - (23 Oct - 29 Oct 2005)
      The workshop gathered experts from both mathemematics and physics working on the interrelation of Noncommutative Geometry and Quantum Field Theory, which has become one of the central topics in mathematical physics over ...
    • Noncommutative Marked Surfaces 

      [OWP-2015-16] Berenstein, Arkady; Retakh, Vladimir (Mathematisches Forschungsinstitut Oberwolfach, 2015-11-18)
      The aim of the paper is to attach a noncommutative cluster-like structure to each marked surface $\Sigma$. This is a noncommutative algebra $\mathcal{A}_\Sigma$ generated by “noncommutative geodesics” between marked points ...
    • Noncommutative topological entropy of endomorphismus of Cuntz Algebras 

      [OWP-2008-12] Skalski, Adam; Zacharias, Joachim (Mathematisches Forschungsinstitut Oberwolfach, 2008-03-16)
      Noncommutative topological entropy estimates are obtained for ‘finite range’ endomorphisms of Cuntz algebras,generalising known results for the canonical shift endomorphisms. Exact values are computed for a class of ...
    • Noncompact harmonic manifolds 

      [OWP-2013-08] Knieper, Gerhard; Peyerimhoff, Norbert (Mathematisches Forschungsinstitut Oberwolfach, 2013-04-10)
      The Lichnerowicz conjecture asserts that all harmonic manifolds are either flat or locally symmetric spaces of rank 1. This conjecture has been proved by Z.I. Szab ́o [Sz] for harmonic manifolds with compact universal ...
    • Nondegenerate Invariant Symmetric Bilinear Forms on Simple Lie Superalgebras in Characteristic 2 

      [OWP-2020-02] Krutov, Andrey; Lebedev, Alexei; Leites, Dimitry; Shchepochkina, Irina (Mathematisches Forschungsinstitut Oberwolfach, 2020-02-04)
      As is well-known, the dimension of the space of non-degenerate invariant symmetric bilinear forms (NISes) on any simple finite-dimensional Lie algebra or Lie superalgebra is equal to at most 1 if the characteristic of the ...
    • Nonexistence of Subcritical Solitary Waves 

      [OWP-2020-06] Kozlov, Vladimir; Lokharu, Evgeniy; Wheeler, Miles H. (Mathematisches Forschungsinstitut Oberwolfach, 2020-03-15)
      We prove the nonexistence of two-dimensional solitary gravity water waves with subcritical wave speeds and an arbitrary distribution of vorticity. This is a longstanding open problem, and even in the irrotational case there ...
    • Nonlinear Acoustics 

      [SNAP-2019-008-EN] Kaltenbacher, Barbara; Brunnhuber, Rainer (Mathematisches Forschungsinstitut Oberwolfach, 2019-09-04)
      Nonlinear acoustics has been a topic of research for more than 250 years. Driven by a wide range and a large number of highly relevant industrial and medical applications, this area has expanded enormously in the last ...
    • 0230 - Nonlinear and Stochastic Systems and Their Numerics 

      [TB-2002-36] (2002) - (21 Jul - 27 Jul 2002)
    • 1817 - Nonlinear Data: Theory and Algorithms 

      [OWR-2018-20] (2018) - (22 Apr - 28 Apr 2018)
      Techniques and concepts from differential geometry are used in many parts of applied mathematics today. However, there is no joint community for users of such techniques. The workshop on Nonlinear Data assembled researchers ...
    • 9949 - Nonlinear Equations in Many-Particle Systems 

      [TB-1999-47] (1999) - (05 Dec - 11 Dec 1999)
    • 0825 - Nonlinear Evolution Equations 

      [OWR-2008-27] (2008) - (15 Jun - 21 Jun 2008)
    • 1412 - Nonlinear Evolution Equations: Analysis and Numerics 

      [OWR-2014-14] (2014) - (16 Mar - 22 Mar 2014)
      The workshop was devoted to the analytical and numerical investigation of nonlinear evolution equations. The main aim was to stimulate a closer interaction between experts in analytical and numerical methods for areas such ...
    • 1906 - Nonlinear Evolution Equations: Analysis and Numerics 

      [OWR-2019-5] (2019) - (03 Feb - 09 Feb 2019)
      The qualitative theory of nonlinear evolution equations is an important tool for studying the dynamical behavior of systems in science and technology. A thorough understanding of the complex behavior of such systems ...