Colloquium/seminar talks:

  • Oberseminar: Motivische algebraische Topologie (12.05.2022), University of Munich, Germany
  • Lie theory seminar (28.04.2021), Oklahoma State University, USA
  • Oberseminar: Motivische algebraische Topologie (04.07.2019), University of Munich, Germany
  • Oberseminar (25.06.2019), University of Koln, Germany
  • Algebra and Representation Theory seminar (20.06.2019), University of Rome Tor Vergata, Italy
  • Algebra Seminar (05.04.2019), University of Ottawa, Canada
  • Algebra Seminar (14.03.2019), University of Lyon 1, France
  • Seminar (01.08.2018), Chebyshev Laboratory of the St.Petersburg University, Russia
  • Oberseminar Algebra und Zahlentheorie (17.07.2018), Mathematical Institute, University of Koln, Germany
  • Colloquia (16.03.2018), Dipartimento di Matematica, Universita degli Studi di Roma Tor Vergata, Italy
  • Oberseminar Algebra und Zahlentheorie (12.12.2017), Mathematical Institute, University of Koln, Germany
  • Algebraic geometry seminar (14.11.2017), Courant Institute, NYU, USA
  • Algebra seminar (23.10.2017), SUNY at Buffalo, USA
  • Oberseminar “Motivische Algebraische Topologie” (20.07.2017), University of Munich, Germany
  • Colloquium (07.10.2016), State University of New York at Albany, USA
  • Seminar (30.07.2016), Chebyshev Laboratory of the St.Petersburg University, Russia
  • Algebra seminar (12.07.2016), School of Mathematics and Statistics, University of Sheffield, UK
  • Seminar (30.05.2016), Department of Mathematics, HSE Moscow, Russia
  • Special seminar (23.05.2016, 24.05.2016), Institut Henri Poincare, Paris, France
  • Séminaires de l’équipe de Topologie Algébrique (18.05.2016), Universite Paris 13, France
  • Oberseminar “Motivische Algebraische Topologie” (12.05.2016), University of Munich, Germany
  • Algebra Seminar (17.03.2016), University of Lyon 1, France
  • Séminaire “Variétés rationnelles” (11.03.2016), École Normale Supérieure, Paris, France
  • Topology Seminar (29.02.2016), University of Manchester, UK
  • Pure Mathematics Seminar (25.02.2016), University of Lancaster, UK
  • Geometric Representation Theory Seminar (30.11.2015), Fields Institute, Toronto, Canada
  • Algebra Seminar (18.11.2015), University of Alberta, Canada
  • Oberseminar Algebra, Geometrie und Zahlentheorie (18.12.2014), Universitat Duisburg-Essen, Germany
  • Algebra seminar (14.11.2014), KAIST, Daejeon, Korea
  • Colloquium (13.11.2014), KAIST, Daejeon, Korea
  • Algebra and Lie groups seminar (14.10.2014), Yale University, USA
  • Colloquium (10.10.2014), State University of New York at Albany, USA
  • Geometry seminar (06.05.2014), Courant Institute of Mathematical Sciences, USA
  • Algebra seminar (24.03.2014), University of Virginia, USA
  • Geometry and Topology seminar (27.01.2014), Western University, Canada
  • Colloquium (14.10.2013), University of Maryland, USA
  • Topology and related seminars (07.08.2013), University of British Columbia, Canada
  • Algebraic geometry seminar (06.08.2013), University of British Columbia, Canada
  • Thematic Program visitors seminar (15.03.2013), Fields Institute, Toronto, Canada
  • Geometric Representation Theory Seminar (14.03.2013), Fields Institute, Toronto, Canada
  • Algebra seminar (27.04.2012), University of Virginia, USA
  • Colloquium (26.04.2012), University of Virginia, USA
  • Algebra Seminar (28.11.2011), University of Alberta, Canada
  • Algebra and Number Theory Seminar (07.11.2011), Emory University, USA
  • Algebraic Groups Seminar (25.10.2011), University of British Columbia, Canada
  • Algebraic Geometry seminar (24.10.2011), University of British Columbia, Canada
  • Geometry and Topology seminar (23.09.2011), Universite du Quebec a Montreal, Canada
  • Algebra Seminar (03.03.2011), University of Alberta, Canada
  • Algebraic Geometry seminar (22.11.2010), Queen’s University, Canada
  • Séminaires de l’équipe de Topologie Algébrique (24.06.2010), Universite Paris 13, France
  • Algebra Colloquium (11.03.2010), University of California at Los Angeles, USA
  • Geometry and topology seminar (25.01.2010), University of Western Ontario, Canada
  • Joint seminar Regensburg-Munchen (17.07.2009), University of Regensburg, Germany
  • Algebraic Geometry and Arithmetic seminar (19.02.2009), University of Liverpool, UK
  • Seminaire “Varietes rationnelles” (13.02.2009), ENS Paris, France
  • Algebra Seminar (15.01.2009), University of Ottawa, Canada
  • Seminaire Autour des Cycles Algebriques (05.11.2008), University Paris 6, France
  • Geometry Seminar (03.10.2008), University of Cambridge, UK
  • Seminario di Algebra e Geometria (29.05.2008), University of Genua, Italy
  • Pure Math Colloquium (07.05.2008), University of Sheffield, UK
  • Number theory seminar (08.02.2008), University of Nottingham, UK
  • Seminar “Algebraische Gruppen” (02.07.2007), Universitat Bielefeld Germany.
  • Seminar “Algebraische Gruppen” (23.01.2007), Universitat Bielefeld Germany.
  • Seminaire de theorie des nombres de Chevaleret (18.12.2006), University of Paris 7, France
  • Arbeitsgemeinschaft Algebra und Topologie (15.12.2006), University of Basel, Switzerland
  • Seminar “Arithmetische Geometrie” (15.11.2006), University of Goettingen, Germany
  • Seminar DFG-Forschergruppe (03.11.2006), University of Regensburg, Germany
  • Oberseminar “Motivische Algebraische Topologie” (27.04.2006), University of Muenchen, Germany
  • Staffcolloqium (06.04.2006), University of Utrecht, Netherlands
  • Algebra seminar (28.02.2006), University of Edmonton, Canada
  • Number Theory Seminar (24.01.2006), Max-Planck-Institut fur Mathematik, Bonn, Germany.
  • Oberseminar “Agebra und Homotopie” (19.10.2005), University of Bielefeld, Germany
  • Oberseminar “Arithmetische Geometrie” (15.06.2005), University of Goettingen, Germany
  • Number Theory Seminar (08.06.2005), Max-Planck-Institut fur Mathematik, Bonn, Germany
  • AG Algebraische Gruppen (10.05.2005), University of Bielefeld, Germany
  • Séminaire “Variétés rationnelles” (15.01.2005), École Normale Supérieure, Paris, France
  • Algebra – Topology Seminar (17.01.2005), ETH, Zürich, Switzerland
  • Forschungsseminar “Algebraische Geometrie” (23.11.2004), Humboldt Universität zu Berlin, Germany
  • Arithmetische Geometrie seminar (05.11.2004), Universität Regensburg, Germany
  • Oberseminar Algebraische Gruppen (27.10.2004), Mathematisches Institut Georg-August-Universität Göttingen, Germany
  • Oberseminar Algebraische Geometrie (05.05.2004), Mathematisches Institut Georg-August-Universität Göttingen, Germany
  • Department Seminar (12.01.2004), Mathematisches Institut, Universität Heidelberg, Germany
  • MathDepartment Seminar (07.07.2003), Essen University, Germany
  • SFB478 seminar (15.05.2003), University of Münster, Germany
  • Seminaire d’Algebre et de Theorie des Nombres (14.03.2002), Ecole Polytechnique Federale de Lausanne, Switzerland
  • Groupe de travail de Geometrie Algebrique (22.02.2002), Institut des Hautes Etudes Scientifiques, Bures-sur-Yvette, France
  • Séminaire “Variétés rationnelles” (24.11.2001), École Normale Supérieure, Paris, France
  • Seminar des Graduiertenkollegs (07.06.2001), Universitaet Muenster, Germany