2019

  • Periods and Motives, HU Berlin, July 11, 2019
  • Ludwig Maximilians-Universität München, May 15, 2019
  • Albert-Ludwigs-Universität Freiburg, February 1, 2019

2018

  • HU Berlin, December 18, 2018
  • Summer school in Łukęcin on arithmetic of differential equations, September 3-7, 2018
    Lecture series on models and degenerations of algebraic varieties
  • Recent Progress in the Arithmetic and Geometry of K3 Surfaces, CIRM, 
    Trento, July 11-13, 2018
  • KU Leuven, June 8, 2018
  • Universität des Saarlandes, Saarbrücken, May 24, 2018
  • Workshop on Complex Algebraic Geometry, Barcelona, February 5-9, 2018
    Conference in honor of Gian Pietro Pirola's 60th birthday

2017

  • Higgs Bundles, K3 Surfaces, and Moduli, HU Berlin, July 12, 2017
  • AIM SQuaRE, San Jose, June 26 - 30, 2017
  • Nordic Number Theory Network: N3-days VI, Copenhagen, June 2, 2017
  • Universität Münster, April 25, 2017
  • University of Bergen, March 29, 2017
  • FU Berlin, February 1, 2017
  • Johannes-Gutenberg Universität Mainz, January 26, 2017

2016

  • TU Darmstadt, November 29-30, 2016
  • University of Padova, October 14, 2016
  • Higher Dimensional Algebraic Geometry and Characteristic p, Luminy, September 12-16, 2016
    Lecture series on Crystalline Cohomology and Crystalline Period Domains
  • Arithmetic Geometry, Oberwolfach, August 7-13, 2016
  • Algebraic Geometry - Satellite Conference of 7 ECM, Hannover, July 13-16, 2016
  • Géométrie Algébrique en Liberté XXIV, Nesin Mathematics Village, June 13-17, 2016
    Lecture series on Models of Curves, Abelian Varieties, and K3 Surfaces
  • Fakultätstag Mathematik, TU München, June 10, 2016
  • Moduli Spaces and Modular Forms, Oberwolfach, April 25-29, 2016
  • Laboratory of Algebraic Geometry, Moscow, April 6-8, 2016
  • BMS Student Conference, Berlin, February, 17-19, 2016

2015

  • University of Warsaw and IM PAN, December 10-11, 2015
  • Moduli Spaces and Arithmetic Geometry, Lorentz Center, Leiden, November 9-13, 2015
    Conference in honor of Frans Oort's 80th birthday
  • Geometry of algebraic varieties, HU Berlin, October 6-9, 2015
  • BIRS Workshop on Lifting Problems and Galois Theory, Banff, August 17-21, 2015
  • Conference on Algebraic Surfaces, Lisbon, July 1-3, 2015
  • Simons Symposium on Geometry Over Non-Closed Fields, Puerto Rico, March 23-27, 2015
  • Arithmetic and Algebraic Geometry 2015, University of Tokyo, January 29, 2015
  • Universität Ulm, January 20, 2015
  • Albert-Ludwigs-Universität Freiburg, January 16, 2015
  • Séminaire Autour des Cycles Algébriques, Jussieu, Paris, January 7, 2015

2014

  • Korteweg-de Vries Institute for Mathematics, Amsterdam, December 18, 2014
  • Universität Augsburg, November 24, 2014
  • K3, Enriques Surfaces and Related Topics, Nagoya, November 10-14, 2014
  • Algebraic Geometry Symposium, Kinosaki, October 21-24, 2014
  • Seoul ICM 2014 Satellite Conference Algebraic and Complex Geometry, Daejeon, August 7, 2014
  • Johannes-Gutenberg Universität Mainz, July 24, 2014
  • Conference in honor of Faltings' 60th birthday, MPI Bonn, June 10, 2014
  • K3 surfaces and their moduli, Schiermonnikoog, May 4-9, 2014
  • Université Paris 6, Institut de mathématiques de Jussieu, March 27, 2014
  • Laboratory of Algebraic Geometry (Higher School of Economics), Moscow, March 6-11, 2014
    Lecture series on crystals, formal groups, K3 surfaces, and unirationality
  • HIM Workshop: Birational geometry and foliations, Bonn, February 24-28, 2014
  • Schülertag TUM, February 7, 2014 Algebra: Komplexe Zahlen, Quaternionen und endliche Körper

2013

  • Universität Duisburg-Essen, December 19, 2013
  • IRMA, Strasbourg, October 28 - November 1, 2013
    Master class on the crystalline Torelli theorem for supersingular K3 surfaces
  • Università di Pisa, October 9, 2013
  • Workshop on Algebraic Surfaces Leibniz Universität Hannover, October 2, 2013
  • SCMS Lecture Series Fudan University, September 23-29, 2013
    Lecture series on characteristic p geometry
  • Chinese Academy of Sciences, Beijing, October 20, 2013
  • Algebraic and Arithmetic Conference (AGAG) USTC Hefei, August 23-27, 2013
  • Universität Bielefeld, July 10, 2013
  • Ludwig Maximilians-Universität München, April 24, 2013
  • Nouvelles directions en arithmétique et géométrie des surfaces algébriques,
    Luminy, March 14, 2013
  • Nagoya University, February 21-22, 2013
    Lecture Series on Characteristic-p Geometry
  • Universität Bayreuth, January 23, 2013

2012

  • University of Cyprus, Nicosia, September 19, 2012
  • Conference Algebraic and Complex Geometry,
    Leibniz Universität Hannover, September 10-14, 2012
  • Conference on characteristic p and p-adic geometry,
    Johannes Gutenberg Universität Mainz, June 4-8, 2012
  • Humboldt-Universität Berlin, May 29, 2012
  • Conference on Rational Points and Rational Curves, Universität Zürich, May 21-25, 2012
  • Cambridge University, May 2, 2012
  • Universität Bielefeld, April 25, 2012
  • Stanford University, March 9, 2012
  • Simons Symposium on Geometry Over Non-Closed Fields, Virgin Islands, February 26-March 3, 2012
  • Conference on Arithmetic and Algebraic Geometry, Tokyo, February 17, 2012

2011

  • Universität Paderborn, December 14, 2011
  • Heinrich-Heine Universität Düsseldorf, November 25, 2011
    Monstrous Moonshine (Habilitationskolloquium, 2nd talk)
  • Universität Osnabrück, November 1, 2011
  • Albert-Ludwigs-Universiät Freiburg, October 28, 2011
  • Albert-Ludwigs-Universität Freiburg, October 27, 2011
  • DMV-Jahrestagung in Köln, September 19, 2011
  • Workshop on Calabi-Yau manifolds, Toronto, August 19, 2011
  • Heinrich-Heine Universität Düsseldorf, June 10, 2011
    Rational Curves on K3 Surfaces (Habilitationskolloquium, 1st talk)
  • Georgia Southern University, AMS Sectional Meeting, March 12, 2011

2010

  • KIAS, Seoul, November 30, 2010
  • Seoul-Tokyo Conference on Arithmetic and Geometry, November 26, 2010
  • Sogang University, Seoul, November 25, 2010
  • Sogang University, Seoul, November 22, 2010
  • Stanford University, November 17, 2010
    SUMO speaker series for undergraduates: Relativistic Addition and Group Theory
  • Leibniz Universität Hannover, November 1, 2010
  • Workshop on Elliptic Fibrations and K3 Surfaces, Berlin, July 15, 2010
  • Johannes-Gutenberg Universität Mainz, July 8, 2010

2009

  • UC Berkeley, November 17, 2009
  • University of Utah, Salt Lake City, November 10, 2009
  • Stanford University, October 30, 2009
  • Sogang University, Seoul, October 19-22, 2009
    Lecture series on Algebraic Surfaces in Positive Characteristic
  • Johannes-Gutenberg Universität Mainz, April 24, 2009

2008

  • Algebraic Geometry in Positive Characteristics and Related Topics,
    Nagoya University, November 5, 2008
  • Keio University, Tokyo, November 4, 2008
  • Instituto Superior Técnico, Lisbon, September 4, 2008
  • Conference on Algebraic Surfaces and Symplectic 4-manifolds,
    University of Warwick, February 8, 2008

2007

  • Johannes-Gutenberg Universität Mainz, November 20, 2007
  • Universität Ulm, June 27, 2007
  • Leibniz Universität Hannover, May 10, 2007
  • Max-Planck-Institute für Mathematik Bonn, April 12, 2007
  • Ruhr-Universität Bochum, January 22, 2007

2006

  • Universität zu Köln, November 8, 2006
  • University of Crete, February 21, 2006

2005

  • Géométrie Algébrique en Liberté XIII, Luminy, March 21, 2005
  • Alfréd Rényi Institute Budapest, March 4, 2005
  • Universität Leipzig, January 12, 2005

2004

  • Bar-Ilan University at Ramat-Gan, July 27, 2004
  • to a security agent of El-Al at Frankfurt airport, July 25, 2004 extracts from my Ph.D. thesis
  • Universität Bayreuth, June 1, 2004
  • Universität des Saarlandes, Saarbrücken, March 12, 2004