Talks

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July       2019   International Workshop on Operator Theory and its Applications (IWOTA 2019),
                        Instituto Superior Técnico, Lisbon (Portugal)
Oct.      2018    Festkolloquium in Honor of Steffen Roch, TU Darmstadt
July       2018    6th Summer Workshop on Operator Theory, Krakow (Poland)
March   2018    University of Lisbon (Portugal)
March   2018    Instituto Superior Técnico, Lisbon (Portugal)
Aug.      2017   Organization (together with Daniel Potts and Peter Stollmann) of the
                         International Workshop on Operator Theory and its Applications (IWOTA 2017),
                         TU Chemnitz



June      2017    Workshop "Functional Analysis and Operator Theory in Honor of Lewis A. Coburn",
                         Leibniz Universität Hannover
Nov.     2016    Universität Wien (Austria)
Nov.     2016    TU Hamburg
Oct.      2016    Colloquium in Honor of Bernd Silbermann, TU Chemnitz
Sept.     2016   University of Lund (Sweden)
June      2016   26th International Conference on Operator Theory, Timisoara (Romania)
June      2016   Conference "Time-Frequency Analysis and Related Topics", Strobl (Austria)
Sept.     2015   Fourth Najman Conference on Spectral Problems for Operators and Matrices,
                        Opatija (Croatia)
July       2015   International Workshop on Operator Theory and its Applications (IWOTA 2015),
                        Tbilisi (Georgia)
May     2015    SIAM National Student Chapter Conference 2015, University of Reading (England)
March  2015     Festkolloquium in Honor of Elias Wegert, TU Bergakademie Freiberg
July      2014     International Workshop on Operator Theory and its Applications (IWOTA 2014),
                         Vrije Universiteit, Amsterdam (The Netherlands)
June      2014    Workshop "Computations in infinite dimensions: challenges in a continuous world"
                        Kavli Royal Society International Centre at Chicheley Hall, Chicheley  (England)
March  2014    85. Jahrestagung der GAMM, Erlangen
Sept.    2013    Fourth Annual Conference of the Georgian Mathematical Union, Batumi (Georgia)
June     2013    Mecklenburger Workshop "Approximationsmethoden und schnelle Algorithmen"
                        in Honor of Manfred Tasche, Schloss Hasenwinkel
Jan.      2013    Universität Jena

 

Dec.    2012      Ludwig Schläfli Lecture, Universität Bern (Switzerland)
Oct.     2012     LAA Editorial Board Meeting in Honor of Hans Schneider, Madison, Wisconsin (USA)
Sept.    2012     Summer School on Applied Analysis, Chemnitz
Sept.    2012     International workshop on Structured Numerical Linear and Multilinear Algebra,
                         Katholieke Universiteit Leuven (Belgium)
May     2012     Universität Leipzig
Nov.    2011     University of Helsinki (Finland)
Sept.    2011     Conference "Recent Trends in Analysis" in Honor of Nikolai K. Nikolski on his 70th Birthday,
                         Université Bordeaux 1, Bordeaux (France)
Aug.     2011    17th Conference of the International Linear Algebra Society, Braunschweig
July       2011    Conference "Foundations of Computational Mathematics", Budapest (Hungary)
March  2011     Organization (together with Peter Junghannns and Daniel Potts) of the
                         workshop "Functional Analysis and Operator Theory" in Honor
                         of Bernd Silbermann on his 70th Birthday,  Altenberg/Erzgebirge
June     2010     Institut für Biomathematik und Biometrie, Helmholtz Zentrum, München
Feb.     2010     University of Cambridge (England)
Feb.     2010     Wales Workshop on Analytical Computational Mathematics, Cardiff (Wales)
Jan.      2010     Israel Gohberg Memorial Colloquium, Vrije Universiteit, Amsterdam (The Netherlands)
Dec.     2009     Brian Davies 65th Birthday Conference, King's College, London (England)
Oct.     2009     Organization (together with Peter Junghanns and Daniel Potts) of the
                         Workshop on Advances and Trends in Integral Equations in Memory
                         of Siegfried Prössdorf, Wasserschloss Klaffenbach, Chemnitz
Sept.    2009     ÖMG-DMV Kongress, Graz (Austria)
June      2009     Eighth European Conference on Numerical Mathematics and Advanced Applications,
                          Uppsala University, Uppsala (Sweden)
May      2009    Dresdner Mathematisches Seminar, TU Dresden
March   2009    Workshop on Approximation Theory and Signal Analysis, Lindau im Bodensee
Sept.     2008     STAUNT, Universität Rostock
July       2008     International Workshop on Operator Theory and its Applications (IWOTA 2008),
                          The College of William and Mary, Williamsburg, Virginia (USA)
June      2008     15th Conference of the International Linear Algebra Society, Cancun (Mexico)
March   2008    North British Functional Analysis Seminar, University of York (England)

    

Dec.      2007    Institut Elie Cartan, Université Henri Poincaré Nancy I, Nancy (France)
Sept.     2007    Organization (together with Eugene Shargorodsky and Percy Deift)
                         of the ICMS workshop "The Riemann-Hilbert Problem and Toeplitz Operators",
                         Heriot Watt University, Edinburgh (Scotland)
June      2007    University of Reading (England)
May      2007    University of Helsinki (Finland)
May      2007    Finnish Mathematical Society Colloquium, Helsinki (Finland)
April     2007    13. Südostdeutsches  Kolloquium zur Numerischen Mathematik, TU Bergakademie Freiberg
Oct.      2006    Schur Analysis Workshop in Honor of  Vladimir Dubovoj, Leipzig
Sept.     2006    Summer School on Applied Analysis, Chemnitz
Aug.     2006     International Workshop on Operator Theory and its Applications (IWOTA 2006),
                         Seoul National University, Seoul (Korea)
Aug.     2005    London Mathematical Society Symposium  "Operator Theory and Spectral Analysis",
                        Durham (England)
July      2005    Conference "Operator Theory, Function Spaces and Applications
                         in Honor of  Frank-Olme Speck", Aveiro (Portugal)
June     2005     International Conference "Matrix Methods and Operator Equations", Moscow (Russia)
May     2005    Tag der Funktionentheorie, TU Bergakademie Freiberg
Sept.    2004    Jahrestagung der Deutschen Mathematiker-Vereinigung, Heidelberg
July      2004    International Workshop on Operator Theory and its Applications (IWOTA 2004),
                        University of Newcastle, Newcastle upon Tyne (England)
June     2004    5th International Workshop on Accurate Solution of Eigenvalue Problems,
                        Fern-Universität Hagen
March  2004    75. Jahrestagung der GAMM, Dresden
Oct.     2003    Universidad Autónoma del Estado de Morelos, Cuernavaca (Mexico)
Sept.    2003    CINVESTAV del I.P.N., Mexico City (Mexico)
July      2003    International Workshop on Infinite-Dimensional Dynamical Systems,
                        University of Exeter (England)
May     2003    ETNA's tenth birthday conference  "ETNA: Following the Flows of Numerical Analysis",
                        Kent State University, Kent, Ohio (USA)
Sept.    2002    MSRI workshop "Recent Progress in Random Matrix Theory and Its Applications", 
                        Mathematical Sciences Research Institute, Berkeley, California (USA)
Sept.    2002    GAMM workshop "Numerical Linear Algebra with special
                        emphasis on Multilevel and Krylov Subspace Methods", Universität Bielefeld
Aug.    2002     International Workshop on Operator Theory and its Applications (IWOTA 2002),
                        Virginia Tech, Blacksburg, Virginia (USA)
May    2002     International Conference "Structured Matrices", The Chinese University of Hong Kong
                        and The University of Hong Kong, Hong Kong (China)
April   2002     TU Darmstadt
Jan.     2002     International Conference "Factorization, Singular Operators and Related Problems
                        in Honor of  Georgii Litvinchuk", University of Madeira, Funchal, Madeira Island (Portugal)
Nov.   2001     Fern-Universität Hagen
Oct.    2001     International Conference ''Numerical Algorithms in Honor of  Claude Brezinski'',
                        Marrakesh (Morocco)
Sept.   2001     GAMM workshop ''Numerical Methods for Structured and Random Matrices'', TU Berlin
Aug.   2001     AMS-IMS-SIAM Summer Research Conference ''Fast Algorithms in Mathematics,
                        Computer Science and Engineering'', Mount Holyoke College, South Hadley, Massachusetts (USA)
June     2001    Universität Bremen
April   2001     Max Planck Institut Leipzig
April   2001     Organization (together with Peter Junghanns) of the International Conference
                        "Toeplitz Matrices in Honor of Bernd Silbermann", Pobershau/Erzgebirge
Jan.     2001     Colloquium ''Operator Theory and Applications in Honor of Israel Gohberg'', TU Wien (Austria)
Jan.     2001     Universität Karlsruhe
Sept.   2000     Workshop ''Structured Matrices: Analysis, Algorithms, and Applications'', Cortona (Italy)
Sept.   2000     International Workshop on Operator Theory and its Applications (IWOTA Portugal 2000),
                        Universidade do Algarve, Faro (Portugal)
June    2000      International Workshop on Operator Theory and its Applications (IWOTA 2000),
                         Université Bordeaux 1, Bordeaux (France)
May    2000      Università di Cagliari, Sardinia (Italy)
May    2000      Università di Pisa (Italy)
April   2000      TU Bergakademie Freiberg
March 2000      King's College London (England)
March 2000      University of Oxford (England)
March 2000      University of Sussex at Brighton (England)

Mark Embree, I, and Marco Contedini (in the background: Stonehenge)
 

Jan.     2000      Pathani Samanta Planetarium, Bhubaneshwar, Orissa (India)
Jan.     2000      Conference ''Functional Analysis and Linear Algebra'',  Indian Statistical Institute, New Delhi (India)
Nov.   1999       Belfast Functional Analysis Day '99, The Queen's University, Belfast (Northern Ireland)
June    1999       AMS-IMS-SIAM Joint Summer Research Conference ''Structured Matrices in
                         Operator Theory, Numerical Analysis, Control, Signal and Image Processing'',
                         University of Colorado, Boulder, Colorado (USA)
June    1999       Workshop ''Large-Scale Scientific Computations'', Sozopol (Bulgaria)
March 1999      11th International Conference ''Probleme und Methoden der Mathematischen Physik'', Chemnitz
Nov.   1998       Universität Paderborn
Sept.   1998       The College of William and Mary, Williamsburg, Virginia (USA)
Sept.   1998       Stieltjes Analysis Colloquium, Vrije Universiteit, Amsterdam (The Netherlands)
June    1998       Instituto Superior Técnico,  Lisbon (Portugal)
May    1998       International Conference ''Fourier Analysis and Applications'', Kuwait University (Kuwait)
Nov.   1997       The College of William and Mary, Williamsburg, Virginia (USA)
Oct.    1997       Conference ''Computational Methods and Function Theory '97'', University of Cyprus, Nicosia (Cyprus)
Sept.   1997       14. Österreichischer Mathematikerkongress, Salzburg  (Austria)
April  1997        Barcelona Analysis Seminar, CRM Barcelona (Spain)
April  1997        Conference ''Analysis and Applications '97'', University of Queensland, Brisbane (Australia)
Jan.    1997        Universität Bremen
Oct.    1996       Universität Greifswald
Aug.   1996       ''Aegean Conference on Operator Algebras and Applications'',  University of the Aegean, Samos (Greece)
Aug.   1996        6th Conference of the International Linear Algebra Society, TU Chemnitz
June    1996       University of Montana, Missoula (USA)
June    1996       16th Annual Conference of the Canadian Applied Mathematics  Society, Winnipeg, Manitoba (Canada)

May    1996       Great Plains Operator Theory Symposium, Arizona State University, Tempe (USA)
April  1996        Universität Rostock
Nov.   1995       Scientific Colloquium  ''Zum Nutzen von Grundlagenforschung'', Krupp-Stiftung, Essen
Nov.   1995       International Seminar  ''Schur Analysis in Honor of the 100th  Anniversary of  Rolf Nevanlinna'', Leipzig
Nov.   1995       Conference  ''Deuxièmes Journées de Théorie des Opérateurs'',
                          CIRM Marseille-Luminy (France)
Oct.    1995        Universität des Saarlandes, Saarbrücken

   With Yuri Karlovich in Williamsburg (Virginia)

Oct.    1995        ''Old Dominion Operator Theory and Analysis Conference'', Williamsburg, Virginia (USA)
July     1995       TU Berlin
June    1995       Conference  ''C*-algebras and Their Invariants'', Cork (Ireland)
May    1995       Conference ''Linear Operators and Applications'', Oberwolfach
April   1995       47th British Mathematical Colloquium, Edinburgh (Scotland)
March 1995       Organization (together with Israel Gohberg) of the German-Israeli Workshop
                         ''One-Dimensional Linear Singular Integral Operators'', Tel Aviv and Jerusalem (Israel)

Bernd Fritzsche, Bernd Kirstein, Viktor E. Katsnelson, I, and Israel Gohberg
in Tel Aviv, 1995
 

Dec.    1994       Conference ''Operator Theory for Complex and Hypercomplex Analysis'', Mexico City (Mexico)
Oct.     1994       Research Conference ''Applications of Operator Theory'', University of Manitoba, Winnipeg (Canada)
Sept.    1994       Jahrestagung der Deutschen Mathematiker-Vereinigung, Duisburg
Sept.    1994      Instructional Workshop ''Applications of Operator Theory'', 
                          The Fields Institute, Waterloo, Ontario (Canada)
July      1994      AMS-IMS-SIAM Joint Summer Research Conference ''Bergman spaces
                          and the operators that act on them'', Mount Holyoke College, South Hadley, Massachusetts (USA)
March  1994      Banach Semester ''Linear Operators'', Warsaw (Poland)
Feb.     1994      Conference  ''Differential Geometry, Hamiltonian Systems, and  Operator Theory'',
                          University of the West Indies, Kingston (Jamaica)
Jan.      1994      Conference ''Singuläre Integral- und Pseudodifferential-Operatoren'', Oberwolfach
June     1993      ''Lars Onsager Symposium'', Trondheim (Norway)
May     1993       Tel Aviv University (Israel)
May     1993       Workshop ''Operator Algebras'', Haifa (Israel)
April    1993       Conference ''Journées de Théorie des Opérateurs'', CIRM Marseille-Luminy (France)
Dec.    1992       Universität Karlsruhe
Nov.   1992        Instituto Superior Técnico, Lisbon (Portugal)
Sept.   1992        California Polytechnic State University, San Luis Obispo (USA)
Sept.   1992        Conference ''Toeplitz and Wiener-Hopf  operators in Honor of Harold Widom'',
                           University of California, Santa Cruz (USA)
 

Picnic with Harold Widom at Point Lobos, 1992
 

June     1992       Universität Konstanz
May     1992       Banach Semester in Honor of Stefan Banach's 100th Anniversary, Warsaw (Poland)
March 1992        Workshop  ''Analyse mathematischer Modelle mit Singularitäten und
                           deren Anwendungen in den Technikwissenschaften'', Bad Kösen
Feb.    1992       International Workshop ''Second Days of Schur Analysis'', Leipzig
Jan.     1992       TU Cottbus
Nov.   1991       TU Berlin
July    1991        Universität Leipzig
June    1991       International Workshop ''Elementary Operators and Applications'', Blaubeuren
May     1991      DFG-Seminar ''Pseudodifferentialoperatoren'', Stollberg/Erzgebirge
March 1991       Internationales Seminar ''Schur Analysis'', Leipzig
Oct.     1990      Workshop ''Ingenieurwissenschaftliche und mathematische Analyse
                         bruchmechanischer und elastischer Probleme'', Darmstadt
Oct.    1990       TH Darmstadt
June    1990      C.I.M.E. Session ''Recent Developments in H^\infty Control Theory'', Como (Italy)
June    1990      Universität Stuttgart
Dec.    1989      Conference ''Toeplitzoperatoren, Wiener-Hopf-Probleme und deren  Anwendungen'',
                         Oberwolfach

  With Georg Heinig in Kishinev, 1983

Before 1989, I gave talks in Rostov-on-Don (seminar of  I. B. Simonenko),
Kishinev (seminar of A. S. Markus), Tbilisi (seminar of  B. V. Khvedelidze),
in St. Petersburg (seminar of  V. P. Havin and N. K. Nikolski), in Berlin
(seminar of S. Prössdorf), in Leipzig (seminar of  B. Fritzsche and B. Kirstein),
and at two conferences organized by V. Ptak in the Czech and Slovak Republics.