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   Prof. Dr. Erich Walter Farkas
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   Talks and paper presentations (since 1. February 2009)



   Selected seminar talks (before 1. February 2009):
  • 2004 May 14, University of Coimbra (Portugal),
    "Negative definite functions and pseudo-differential operators generating Markov processes" (60 min.)
  • 2003 March 14, University Autonoma of Madrid (Spain),
    "On Sobolev spaces of generalised smoothness and pseudo-differential operators associated to a continuous negative definite function" (60 min.)
  • 2003 March 13, University Complutense of Madrid (Spain),
    "Pseudo-differential operators associated to a continuous negative definite function" (60 min.)
  • 2001 February 22, University of Wales at Swansea (Wales),
    "Sobolev spaces of generalised smoothness as domains of definition for generators of $L_p$-sub-Markovian semigroups" (60 min.)
  • 2001 February 21, Cardiff University (Wales),
    "Sobolev spaces on non-smooth domains and Dirichlet forms related to subordinate reflecting diffusions" (60 min.)
  • 2001 February 19, University of Sussex at Brighton (England),
    Analysis Seminar of the Centre for Mathematical Analysis and Its Applications,
    "Sobolev spaces on non-smooth domains and Dirichlet forms related to subordinate reflecting diffusions" (60 min.)
  • 2000 February 3, The Nottingham Trent University (England),
    Seminar of the Department of Mathematics, Statistics and Operational Research,
    "Eigenvalue distribution of some fractal semi-elliptic differential operators" (60 min.)
  • 2000 February 2, Cardiff University (Wales),
    "Eigenvalue distribution of some fractal semi-elliptic differential operators" (60 min.)
  • 2000 February 1, University of Bristol (England),
    Seminar of the Pure Mathematics Group,
    "On the domain of definition for the generators of some L_p-sub-Markovian semigroups" (60 min.)
  • 2000 January 31, University of Sussex at Brighton (England),
    Analysis Seminar of the Centre for Mathematical Analysis and Its Applications,
    "On the generator of some $L_p$-sub-Markovian semigroups" (60 min.)
  • 2001 November 30, Friedrich Schiller University of Jena (Germany),
    "Some new results on function spaces of generalised smoothness" (90 min.)
  • 1998 April 28, University of Pavia (Italy),
    "The distribution of eigenvalues for some fractal elliptic and semi-elliptic differential operators" (50 min.)
  • 1998 April 22, University La Sapienza of Rome (Italy),
    "The distribution of eigenvalues for some fractal elliptic and semi-elliptic differential operators" (50 min.)
  • 1998 January 16, Friedrich Schiller University of Jena (Germany),
    "Eigenvalue distribution of some fractal semi-elliptic differential operators" (90 min.)
  • 1997 April 25, Friedrich Schiller University of Jena (Germany),
    "Traces of anisotropic function spaces on fractals and related entropy numbers" (90 min.)
  • 1997 March 19, Universite Libre de Bruxelles (Belgium),
    "Partial differential equations" seminar (Prof. J.-P. Gossez),
    "Some recent results on function spaces related to fractals" (60 min.)
  • 1996 November 7, University of Vienna (Austria),
    "Numerical and harmonic analysis" seminar (Prof. H.-G. Feichtinger):
    "Atomic and subatomic decompositions in anisotropic Besov-Triebel-Lizorkin spaces" (60 min.)
  • 1996 June 14, Friedrich Schiller University of Jena (Germany),
    "Atomic decompositions in anisotropic function spaces" (90 min.)
  • 1994 July 12, Johannes Gutenberg University of Mainz (Germany),
    'Functional analysis' seminar (Prof. B. Gramsch),
    "On the Calderon-Zygmund extension operator for Orlicz-Sobolev spaces" (90 min.)
  • 1994 March 25, Friedrich Schiller University of Jena (Germany),
    "An embedding theorem for abstract Sobolev spaces" (90 min.)

   Selected conference talks
  • Invited conference talks
    • 2002 August 29 - September 3, The First Sino-German Conference on Stochastic Analysis, A Satellite Conference of ICM 2002, Beijing (China),
      "On pseudo-differential operators associated to a continuous negative definite function" (25 min.)
    • 2002 August 29 - September 2, Fractal Geometry and Applications, A Satellite Conference of ICM 2002, Nanjing (China),
      "Fractal drums and spectral theory for elliptic and semi-elliptic differential operators" (40 min.).
  • Further conference talks
    • 2001 June/July, Teistungen (Germany), International Conference "Function Spaces, Differential Operators, and Nonlinear Analysis"
      in honour of Hans Triebel on his 65th birthday
      "Function spaces of generalised smoothness in the theory of Markov processes" (20 min.)
    • 2001 June, Thurnau (Germany), Bavarian Mathematical Kolloquium,
      "On a problem from the theory of sub-Markovian semigroups - between functional analysis and stochastics" (50 min.)
    • 2001 March, Bielefeld (Germany), Conference "New Trends in Potential Analysis and Applications",
      "On function spaces of generalised smoothness in the theory of Markov processes" (20 min.)
    • 2000 September, Dresden (Germany), Annual Meeting of the German Mathematical Union, Functional Analysis Section,
      "On sub-Markovian semigroups and the domain of definition of their generator" (20 min.)
    • 2000 July, Barcelona (Spain), Third European Mathematical Congress, Poster Session,
      "The behaviour of the eigenvalues for a class of operators related to some self-affine fractals in the plane"
    • 1999 December, Bielefeld (Germany), Workshop "Analysis of jump processes and their generators",
      "On Bessel potential spaces associated to continuous negative definite functions" (50 min.)
    • 1999 February, Muenchen (Germany), Workshop "Stochastic processes and related topics",
      "On Dirichlet forms related to subordinate reflected diffusions in non-smooth domains" (45 min.)
    • 1998 June, Prague (Czech Republic), Spring School "Nonlinear Analysis, Function Spaces, Differential Operators",
      "Eigenvalue distribution of some fractal semi - elliptic differential operators" (20 min.)
    • 1997 November, Siegmundsburg (Germany), Winter School "Stochastic analysis",
      "Eigenvalue distribution of anisotropic fractal drums" (30 min.)
    • 1997 October, Jena (Germany), Workshop "Differential Equations, Spectral Theory, Function Spaces",
      "On the distribution of the eigenfrequencies of anisotropic fractal drums" (30 min.)
    • 1996 September, Coimbra (Portugal), Summer School "Spectral Analysis and Related Topics",
      "Atomic decompositions in anisotropic function spaces" (20 min.)
    • 1996 September, Jena (Germany), Annual Meeting of the German Mathematical Union, Real analysis section,
      "Atomic decompositions in anisotropic function spaces" (20 min.)
    • 1994 August, Zurich (Switzerland), International Congress of Mathematicians, Poster Session,
      "An embedding theorem for generalized Orlicz-Sobolev spaces"
    • 1994 June, Sinaia (Romania), XV National Meeting "Topological ordered vector spaces",
      "A density result in abstract Sobolev spaces" (20 min.)
    • 1993 June, Sinaia (Romania), XIV National Meeting "Topological ordered vector spaces",
      "Vector valued functions with bounded slope variation" (20 min.)
    • 1992 June, Sinaia (Romania), XIII National Meeting "Topological ordered vector spaces",
      "On functions with (o)-bounded variation" (20 min.)

 

Please send comments and suggestions to Walter Farkas, email: farkas@math.ethz.ch.
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