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Prof. dr. G.B.M. (Gerard) van der Geer

Faculty of Science
Photographer: Geer, Gerard van de

Visiting address
  • Science Park 107
  • Room number: F3.06
Postal address
  • Postbus 94248
    1090 GE Amsterdam
  • Publications



    • Cléry, F., & van der Geer, G. (2020). Modular Forms of Degree 2 and Curves of Genus 2 in Characteristic 2. International Mathematics Research Notices, [rnaa239].
    • Cléry, F., Faber, C., & van der Geer, G. (2020). Concomitants of ternary quartics and vector-valued Siegel and Teichmüller modular forms of genus three. Selecta Mathematica, New Series, 26(4), [55]. [details]


    • Cléry, F., Faber, C., & van der Geer, G. (2019). Covariants of binary sextics and modular forms of degree 2 with character. Mathematics of Computation, 88(319), 2423-2441. [details]


    • van der Geer, G. (2018). Exploring modular forms and the cohomology of local systems on moduli spaces by counting points. In L. Ji, & S-T. Yau (Eds.), Uniformization, Riemann-Hilbert Correspondence, Calabi-Yau Manifolds & Picard-Fuchs Equations (pp. 81-110). (Advanced Lectures in Mathematics; Vol. 42). Boston: International Press of Boston, Inc.. [details]



    • van der Geer, G. (2016). A Stratification on the Moduli of K3 Surfaces in Positive Characteristic. In W. Ballmann, C. Blohmann, G. Faltings, P. Teichner, & D. Zagier (Eds.), Arbeitstagung Bonn 2013: In Memory of Friedrich Hirzebruch (pp. 387-403). (Progress in Mathematics; Vol. 319). Cham: Birkhäuser. [details]
    • van der Geer, G., & Kouvidakis, A. (2016). Divisors on Hurwitz Spaces: An Appendix to 'The Cycle Classes of Divisorial Maroni Loci'. Moscow Mathematical Journal, 16(4), 767–774. [details]




    • Cléry, F., & van der Geer, G. (2013). Generators for modules of vector-valued Picard modular forms. Nagoya Mathematical Journal, 212, 19-57. [details]
    • van der Geer, G. (2013). The cohomology of the moduli space of Abelian varieties. In G. Farkas, & I. Morrison (Eds.), The handbook of moduli. - Volume 1 (pp. 415-458). (Advanced Lectures in Mathematics; No. 24). Somerville, Mass.: International Press. [details]
    • van der Geer, G., & Katsura, T. (2013). Relations between some invariants of algebraic varieties in positive characteristic. Rendiconti del Circolo Matematico di Palermo, 62(1), 111-125. [details]



    • van der Geer, G. (2011). Rank one Eisenstein cohomology of local systems on the moduli space of abelian varieties. Science China mathematics, 54(8), 1621-1634. [details]
    • van der Geer, G., & Kouvidakis, A. (2011). The Hodge bundle on Hurwitz spaces. Pure and Applied Mathematics Quarterly, 7 (2011)(4), 1297-1307. [details]


    • van der Geer, G. B. M., & Kouvidakis, A. (2010). A note on Fano surfaces of nodal cubic threefolds. Advanced Studies in Pure Mathematics, 58, 27-45. [details]
    • van der Geer, G., & Kouvidakis, A. (2010). The rank-one limit of the Fourier-Mukai transform. Documenta Mathematica, 15, 747-763. [details]


    • Ekedahl, T., & van der Geer, G. (2009). Cycle classes of the E-O stratification on the moduli of abelian varieties. In Y. Tschinkel, & Y. Zarhin (Eds.), Algebra, arithmetic, and geometry: in honor of Yu. I. Manin. - Vo. 1 (pp. 567-636). (Progress in mathematics; No. 269). Boston: Birkhäuser. [details]
    • van der Geer, G. (2009). Hunting for curves with many points. In Y. M. Chee, C. Li, S. Ling, H. Wang, & C. Xing (Eds.), Coding and Cryptology: Second International Workshop, IWCC 2009, Zhangjiajie, China, June 1-5, 2009 : proceedings (pp. 82-96). (Lecture Notes in Computer Science; Vol. 5557). Berlin: Springer. [details]
    • van der Geer, G. (2009). The limit of the Fourier-Mukai transform. Oberwolfach Reports, 44, 17-19. [details]




    • Ciliberto, C., & van der Geer, G. (2014). Corrigendum To: "Andreotti-Mayer Loci and the Schottky Problem", cf. Documenta Math. 13 (2008) 398--440. Documenta Mathematica, 19, 993-1001. [details]


    • Faber, C., van der Geer, G., & Looijenga, E. (2010). Classification of algebraic varieties. (EMS series of congress reports). Zürich: European Mathematical Society. [details]


    • Edixhoven, B., van der Geer, G., & Moonen, B. (2008). Modular forms on Schiermonnikoog. Cambridge, UK: Cambridge University Press. [details]

    Journal editor

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  • Ancillary activities
    No ancillary activities