RESEARCH PROFILE

Curriculum vitae:

 

Scientific career

  • PhD: University of Leiden, May 1974. Thesis adviser A.H.J.M. van de Ven.
  • Assistant : Univ. Leiden, Sept 1969-May 1974
  • Research Fellow: University of Harvard, 1974/1975  
  • Assistant Professor Univ. Leiden, Sept 1975--March 1979, 
  • Professor, University of Leiden (UHD), March  1979-Jan 1994,
  • Professor, University of Grenoble-I, Feb. 1 1994- Aug 2013.  
  • Emeritus, University of Grenoble-I,  Sept 1 2013 - Sept 1 2014.
  • Retired, University of Grenoble-I: from Sept 1 2014 on.
  • Guest Researcher, University of Eindhoven, from Sept 1 2013 on.

 Some temporary positions

  •   Member of the Institute for Advanced Study, Princeton: fall 1978,  
  •   Invited Professorship, University of Nancy: may 1983,
  •   Invited Professorship, University of Salt Lake City: spring 1989.   
  •   Invited Professorship, University of California at Los Angeles: spring 1992.   
  •   Invited Professorship, University of Grenoble-I: spring 1993.  
  •   Invited Professorship, Tata institute (Mumbai): fall  2000

Selection of some scientific activities and  administration 

  • Co-director of the   Moduli  project (1981-1988) financed by  ZWO, the Dutch NSF with   3 PhD successful students: Bert Van Geemen, actually Prof. of  Geometry in Milan,  Carel Faber,  Prof. at the University of Utrecht and  Member of the Royal Dutch Academy of Sciences (KNAW), J. Top,  Prof. at the Univ. Groningen.

Longer visits

1974/1975University of Harvard: 
1978 Institute of Advanced Study (Fall-semester)
1979 Cortona: Summerschool 
1982 Warwick University  (September)
1983 Nancy Université  (May )
1983 Pisa University (April )
1985 Göttingen  SBF (May) 
1985 Bowdoin: Summerinstitute AMS
1986 Djursholm, Mittag-Leffler Institute (October)
1989 Zürich ETH (Januari) 
1989 University of Utah, Salt Lake City (Spring-semester) 
1990 Bonn SFB (May) 
1990 McMaster University, Hamilton Canada (June)
1993 Univserity of California at Los Angeles (Spring-semester)
1993 Université Grenoble I, Institute Fourier: Spring and Summer 
2007 Tata Institut (Fall)

 

Selection of invited talks

1984   Mexico City   Applications of the Lefschetz' fixed point theorem in (complex) algebraic geometry.
1987 Scheveningen Fermi-curves and surfaces in solid state physics
1989  Sundance Curvature of period domains
1990 Paris  Complex Fermi Curves (Séminaire Bourbaki)
1990 Bayreuth Maximal non-rigid variations of Hodge structure of weight one and two
1990 McMaster Univ. Hamilton Topological aspects of the surface classification
1992 UCLA and Caltech Arithmetic on a K3 surface related to coding theory
1992 Salt Lake City, Irvine, Riverside, Göteborg  Homeomorphic non-diffeomorphic algebraic surfaces with small invariants 
1994 Orsay Géographie des surfaces admettant une structure de spin
1994 Grenoble Théorie de Hodge et symétrie miroir (Etat de recherche) 
1995 Rennes Classification des surfaces algébriques  du point de vu de la théorie de Mori
1995 Grenoble Bounds on automorphisms of surfaces of general type
1996 Warwick Mirror symmetry, the Hodge theoretic part
1997 Turin Symplectic methods in algebraic geometry
2000 Salt Lake City Two filtrations on the Griffiths groups
2000 Salt Lake City Cohomology of discriminant varieties
2001 Lille Cohomologie du complément du discriminant
2001 Essen Generalized Arakelov Inequalities
2002 Tokyo Filtrations on the Griffiths group
2002 Tokyo  and  Constanta Variations of Hodge structure and big monodromy
2002 Nijmegen De stelling van Noether en Lefschetz
2003 Grenoble Théorème de Lefschetz-Noether pour des variations
2004 Grenoble Introduction à la symétrie miroir
2005 Lille Motivic polynomials of mixed Hodge structures
2005 Leiden Can one effectiviely decide solvability of systems of PDE?
2006 Allahabad Rigidity of families, past and present
2006 Paris Quelques aspects motiviques de la théorie de Hodge
2006 Basel Motivic aspects of Hodge theory
2007 Salt Lake City and  Nijmegen Monodromy of a variation of Hodge structure and algebraic groups
2007 Mumbai Binary quadratic forms, and automorphisms of certain K3-surfaces
2007 Mumbai Motivic aspects of (mixed) Hodge theory
2008 Torino Weights in cohomology
2008 UCLA Lowest weights in cohomology: mixed Hodge modules at work
2008 Dijon Groupe dihédral infini, isométries des formes binaires et automorphismes des surfaces K3 avec nombre de Picard 2
2009 Leeds The infinite dihedral group as a group of symmetries in number theory and in algebraic geometry
2009 Dijon Bloch's conjecture for threefolds
2009 Guanajuato Summer School Hodge theory and motives related to graph polynomials 
2010 Torino, Mainz, Leiden Abelian varieties as invariants for Riemannian manifolds; constructions inspired by superstring theory
2010 Hannover Univ. Special K3 double planes and Abelian 4-folds of Weil type
2011 Eindhoven TUE, Univ. Erlangen  Abelian varieties as invariants for Riemannian manifolds; constructions inspired by superstring theory
2011 Brest, Univ. de Bretagne Paris Univ. Paris 6 Variétés abéliennes canoniquement associées aux (certaines types de ) variétés différentiables
2012 Dijon, Univ. de Bourgogne Deux domaines hermitiennes isomorphes et une interpretation modulaire
2013 Oxford (Clay Math. Inst.) Applications of mixed Hodge modules to representation theory (after Burgos & Wildeshaus)
2013 Toronto (Fields Institute) Two isomorphic classical domains and related geometric moduli spaces
2014 Université de Rennes Spring School Lectures on Torelli theorems
2014 Galasataray University, Istanbul Lectures on the motivic aspects of Hodge theory: the Hodge characteristic
2014 Woudschouten GQT Lecture: Special curves in moduli spaces of curves, and Hodge theory
2015 Dijon,  Université de Bourgogne, workshop Perverse Sheaves and Application, Lecture The Baily-Borel boundary; group theory and Hodge theory on tori fibers
2016 Montreal, Université de Montréal, workshop Algebraic cycles and moduli, Lecture: From Belyi curves to embedded Mumford-Tate varieties: applying the spread philosophy to rigid data 
2017 Strasbourg, IRMA, Université de Strasbourg, Plan doubles sextiques en guise de surface K3 ayant une involution d'Enriques.
2017 Eindhoven TUE,  On the general “nodal” Enriques surface.

 

  • Scientific co-organiser of the Summer School  Aspects of Hodge theory.  June 1991 Nice (other members: A. Beauville, J.  Carlson, C. Simpson, C. Voisin).
  • Member of the Scientific board of the EC-project Geometry of Algebraic Varieties (1991-1994)  a cooperation between the Universities of Leiden, Warwick, Orsay, Erlangen, Bonn-Zürich, Torino, Pisa and Barcelona.  
  • Member of the Scientific board of the EC-project  Algebraic Geometry in Europe  AGE  (1995-1998), a cooperation between the Universities of  Barcelona, Bayreuth, Erlangen,   Hannover, Berlin- Essen, Grenoble, Leiden - Amsterdam - Utrecht - Nijmegen -Geel,  Torino, Warwick - Oxford - Cambridge, Orsay, Pavia, Pisa, Roma and  Zürich.
  • Scientific responsible for Grenoble for the project Algebraic Geometry in Europe (1995-1998)
  • Organiser of the EC-conference Group actions on algebraic  varieties (November 1995).
  • President of the scientific committee of the Warwick Symposium  of Algebraic Geometry 1995-1996; co-editor of the Proceedings.
  • President of the committee which prepared with success the project comprising all the algebraic geometers of the EC:  EAGER   1999-2003.
  • Co-organiser (together with S.  Müller-Stach, Essen Germany) of the Grenoble summer school  Algebraic cycles: transcendental aspects 2001; co-editor of the proceedings.
  •  2003-2005: organiser of the weekly Grenoble seminar  Géométrie et Analyse Complexe.   
  •  2005--2008: co-organiser (with S. Druel, and later with L. Manivel)  of the  weekly seminar  Algèbre et Géométries  which incorporates the former and the algebra and geometry seminar.
  • 2004 Scientific organiser of the international conference Cycles and Motives, Leiden. Co-editor (with J. Nagel) of the proceedings.   
  • 2005-2006 Scientific responsible for Grenoble for the European project   GIFT (Global Integrability of Field Theories) Contract No 5006 (NEST). Main coordinator: Jacques Calmet, University of  Karlsruhe (TH), Karlsruhe, Allemagne. Other participants :  Karlsruhe, Toulouse, Amsterdam, Heidelberg, Grenoble.
  • 2009 Co-organiser of the workshop  Hodge Theory and Motives,  Dijon.
  • 2009 Scientific organiser  of the summerschool Renormalization, graph polynomials, Hopf algebras and relations with motives,  CIMAT (Guanajuato, Mexique) and  co-organiser  of the workshop Algebraic geometry and algebra related to renormalization following the conference.
  • 2011 Co-organiser of the workshop (with  P. Eyssidieux)  Period Domains and Kähler Groups, Grenoble
  • 2014 Scientific co-organiser of the Summer School Algebraic geometry and number theory Galasataray university, Istanbul
  • 2015 Scientific co-organiser of the memorial conference in honor of A.H.J.M. van de Ven, Leiden

Ancillary Activities

No ancillary activities