Talks

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  1. 20.11.2009, Freie Universität, Berlin:
    Arithmetic of Enriques surfaces
    [NoGAGS]
  2. 17.11.2009, Universität Hamburg:
    K3 surfaces and modular forms
    [Colloquium for pure mathematics]
  3. 30.09.2009, Harvard University:
    Arithmetic of Enriques surfaces
    [Number Theory Seminar]
  4. 10.09.2009, Chuo University, Tokyo:
    Lines on Fermat surfaces
  5. 02.09.2009, Rikkyo University, Tokyo:
    Arithmetic of Enriques surfaces
    [Workshop on K3, Enriques and Special Surfaces]
  6. 01.09.2009, Tokyo University:
    Arithmetic of K3 surfaces
    [Algebraic Geometry Seminar]
  7. 12.06.2009, Heinrich-Heine-Universität, Düsseldorf:
    Arithmetik und Geometrie von K3 Flächen
  8. 17.04.2009, Utrecht:
    K3 surfaces and modular forms
    [Joint AKLS - InterCity seminar on modular forms in Utrecht]
  9. 19.01.2009, Jussieu, Paris:
    K3 surfaces and modular forms
    [Seminaire de theorie des nombres de Chevaleret]
  10. 01.12.2008, Banff, Canada:
    K3 surfaces and modular forms
    [Arithmetic of K3 surfaces]
  11. 12.11.2008, KIAS, Seoul:
    K3 surfaces and modular forms
    [Algebraic Geometry in East Asia]
  12. 06.11.2008, Nagoya University:
    Neron-Severi groups of surfaces in characteristic 0 and p
    [Algebraic Geometry in Positive Characteristics and Related Topics]
  13. 31.10.2008, Hiroshima University:
    K3 surfaces and modular forms
    [Algebra seminar]
  14. 14.10.2008, Humboldt Universität, Berlin:
    K3 surfaces and modular forms
    [Research seminar Algebraic Geometry]
  15. 10.10.2008, University of Copenhagen:
    Surfaces with maximal Picard number
    [KU Number Theory Seminar]
  16. 23.09.2008, Leibniz Universität Hannover:
    Arithmetik von K3 Flächen
  17. 15.09.2008, Albert-Ludwigs Universität Freiburg:
    K3-Flächen und Modulformen
  18. 12.06.2008, Leibniz Universität Hannover:
    K3-Flächen vom Picard Rang 20
    [Research Seminar Algebraic and Arithmetic Geometry]
  19. 02.06.2008, Uniwersytetu Jagiellońskiego, Krakow:
    K3 surfaces and modular forms
    [Seminar on algebraic and analytic geometry]
  20. 18.03.2008, Queen's University, Kingston, ON:
    K3 surfaces of Picard rank 20
    [Queen's Number Theory Seminar]
  21. 17.03.2008, Queen's University, Kingston, ON:
    Lines on Fermat surfaces
    [Queen's Algebraic Geometry Seminar]
  22. 15.03.2008, Fields Institute, Toronto, ON:
    K3 surfaces and modular forms
    [Workshop on algebraic varieties]
  23. 17.01.2008, Universität Duisburg-Essen:
    K3 surfaces and modular forms
    [Oberseminar Algebraische Geometrie Duisburg-Essen-Düsseldorf]
  24. 12.01.2008, Courant Research Center Göttingen:
    K3 surfaces and modular forms
    [Courant-Colloquium]
  25. 10.01.2008, Leibniz Universität Hannover:
    K3-Flächen und Modulformen
    [Research Seminar Algebraic and Arithmetic Geometry]
  26. 18.12.2007, University of Copenhagen:
    K3 surfaces and modular forms
    [Copenhagen Mathematics Colloquium]
  27. 03.12.2007, MIT, Cambridge, MA:
    K3 surfaces of Picard rank 20 over Q
    [MIT STAGE]
  28. 13.11.2007, MIT, Cambridge, MA:
    Calabi-Yau threefolds as fibre products of rational elliptic surfaces
    [Harvard/MIT algebraic geometry seminar]
  29. 30.10.2007, Brandeis University, Waltham, MA:
    Singular K3 surfaces
    [Everytopic Seminar]
  30. 13.09.2007, University of Texas, Austin, TX:
    Singular K3 surfaces
    [University of Texas - algebra, number theory and combinatorics seminar]
  31. 06.09.2007, Rikkyo University, Tokyo:
    Singular K3 surfaces
  32. 29.08.2007, Nagoya University:
    Singular K3 surfaces and modular forms
    [Conference on Birational Automorphisms of Compact Complex Manifold and Dynamical Systems]
  33. 16.08.2007, Queen's University, Kingston, ON:
    Singular K3 surfaces and modular forms
  34. 27.03.2007, Amherst College:
    Singular K3 surfaces
    [Amherst Five College Number Theory Seminar]
  35. 26.02.2007, Boston University:
    Singular K3 surfaces
    [Boston University Algebra Seminar]
  36. 08.02.2007, Georg-August-Universität Göttingen:
    Singuläre K3 Flächen
    [Events calendar of the mathematical faculty Göttingen (German)]
  37. 21.12.2006, Rheinische Friedrich-Wilhelms-Universität Bonn:
    Singular K3 surfaces
    [Bonn mathematics events calendar]
  38. 09.12.2006, CMS Winter 2006 Meeting:
    Classifying singular K3 surfaces
    [Session on Calabi-Yau Varieties and Mirror Symmetry]
  39. 14.11.2006, Rice University, Houston:
    Classifying singular K3 surfaces
    [Rice Algebraic Geometry Seminar]
  40. 24.10.2006, Harvard University:
    Classifying singular K3 surfaces
    [Harvard/MIT Algebraic Geometry Seminar]
  41. 21.10.2006, Fields Institute, Toronto:
    CM-modular forms and Calabi-Yau varieties
    [Workshop on Algebraic Varieties]
  42. 04.10.2006, Harvard University:
    CM newforms with rational coefficients
    [Harvard/ Number Theory Seminar]
  43. 08.07.2006, Lauenbrück Seminar:
    Elliptic modular surface for the commutator subgroup of SL(2,Z)
  44. 16.03.2006, Universita' degli Studi di Milano:
    Modularity of Calabi-Yau varieties
    [Number Theory Seminar Milano]
  45. 02.02.2006, Universita' degli Studi di Milano:
    Calabi-Yau threefolds as fibre products of elliptic surfaces
    [Algebraic Geometry Seminar Milano]
  46. 20.12.2005, University Duisburg-Essen, Germany:
    Arithmetic of singular K3 surfaces and Hecke eigenforms
    [DFG-Research group "Arithmetic and Geometry"]
  47. 09.08.2005, AMS Summer Institute on Algebraic Geometry, University of Washington, Seattle, USA:
    Arithmetic of K3 surfaces
    [2005 AMS Summer Institute on Algebraic Geometry]
  48. 28.04.2005, University of Hannover, Germany:
    Hecke eigenforms with complex multiplication and rational coefficients
    [Oberseminar AKG Hannover]
  49. 18.03.2005, University of Groningen, Netherlands:
    Extremal elliptic K3 fibrations
    [Intercity number theory seminar]
  50. 25.11.2004, University of Hannover, Germany:
    Singular K3 Surfaces
    [Oberseminar AKG Hannover]
  51. 16.11.2004, University of Mainz, Germany:
    On the modularity of certain fibre products of the rational elliptic modular surface of level 5
    [Gästeseite AG Mainz]
  52. 05.04.2004, University of Hannover, Germany:
    Modular Calabi-Yau threefolds arising from the modular elliptic surface of level 5
    [AKG Miniworkshop]
  53. 23.03.2004, Duke University, Durham, NC, USA:
    New examples of modular rigid Calabi-Yau threefolds
    [Duke AG, Spring 2004]