van der Geer, G., & Kouvidakis, A. (2024). Effective divisors on projectivized Hodge bundles and modular Forms. Mathematische Nachrichten, 297(3), 1142-1170. https://doi.org/10.1002/MANA.202300098[details]
Cléry, F., & van der Geer, G. (2022). Modular Forms of Degree 2 and Curves of Genus 2 in Characteristic 2. International Mathematics Research Notices, Article rnaa239. Advance online publication. https://doi.org/10.1093/imrn/rnaa239[details]
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), Article 55. https://doi.org/10.1007/s00029-020-00581-7[details]
2019
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. https://doi.org/10.1090/mcom/3412[details]
2018
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). International Press of Boston, Inc.. [details]
2017
Cléry, F., Faber, C., & van der Geer, G. (2017). Covariants of binary sextics and vector-valued Siegel modular forms of genus two. Mathematische Annalen, 369(3-4), 1649–1669. https://doi.org/10.1007/s00208-016-1510-2[details]
van der Geer, G., & Kouvidakis, A. (2017). The Cycle Classes of Divisorial Maroni Loci. International Mathematics Research Notices, 2017(11), 3463–3509. https://doi.org/10.1093/imrn/rnw133[details]
2016
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). Birkhäuser. https://doi.org/10.1007/978-3-319-43648-7_14[details]
Cléry, F., & van der Geer, G. (2015). Constructing vector-valued Siegel modular forms from scalar-valued Siegel modular forms. Pure and Applied Mathematics Quarterly, 11(1), 21-47. https://doi.org/10.4310/PAMQ.2015.v11.n1.a2[details]
Cléry, F., van der Geer, G., & Grushevsky, S. (2015). Siegel modular forms of genus 2 and level 2. International Journal of Mathematics, 26(05), Article 1550034. https://doi.org/10.1142/S0129167X15500342[details]
Ekedahl, T., & van der Geer, G. (2015). Cycle classes on the moduli of K3 surfaces in positive characteristic. Selecta Mathematica-New Series, 21(1), 245-291. https://doi.org/10.1007/s00029-014-0156-8[details]
Bergström, J., Faber, C., & van der Geer, G. (2014). Siegel modular forms of degree three and the cohomology of local systems. Selecta Mathematica-New Series, 20(1), 83-124. https://doi.org/10.1007/s00029-013-0118-6[details]
2013
Cléry, F., & van der Geer, G. (2013). Generators for modules of vector-valued Picard modular forms. Nagoya Mathematical Journal, 212, 19-57. Advance online publication. https://doi.org/10.1215/00277630-2324006[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. https://doi.org/10.1007/s12215-013-0112-z[details]
2012
Kouvidakis, A., & van der Geer, G. (2012). The class of a Hurwitz divisor on the moduli of curves of even genus. Asian Journal of Mathematics, 16(4), 787-806. https://doi.org/10.4310/AJM.2012.v16.n4.a9[details]
van der Geer, G., & Kouvidakis, A. (2012). Rational correspondences between moduli spaces of curves defined by Hurwitz spaces. Journal of Pure and Applied Algebra, 216(4), 876-893. https://doi.org/10.1016/j.jpaa.2011.10.017[details]
2011
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. https://doi.org/10.1007/s11425-010-4159-4[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. http://arxiv.org/abs/0902.3877[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). Birkhäuser. https://doi.org/10.1007/978-0-8176-4745-2_13[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). Springer. https://doi.org/10.1007/978-3-642-01877-0_9[details]
Bergström, J., & van der Geer, G. (2008). The Euler characteristic of local systems on the moduli of curves and abelian varieties of genus three. Journal of Topology, 1(3), 651-662. https://doi.org/10.1112/jtopol/jtn015[details]
Bergström, J., Faber, C., & van der Geer, G. (2008). Siegel modular forms of genus 2 and level 2: Cohomological computations and conjectures. International Mathematics Research Notices, 2008, rnn100. https://doi.org/10.1093/imrn/rnn100[details]
Edixhoven, B., van der Geer, G., & Moonen, B. (2008). Modular forms. In B. Edixhoven, G. van der Geer, & B. Moonen (Eds.), Modular forms on Schiermonnikoog (pp. 1-12). Cambridge University Press. https://doi.org/10.1017/CBO9780511543371.002[details]
van der Geer, G. (2008). Siegel modular forms and their applications. In J. H. Bruinier, G. van der Geer, G. Harder, & D. Zagier (Eds.), The 1-2-3 of modular forms: Lectures at a summer school in Nordfjordeid, Norway (pp. 181-246). (Universitext). Springer. https://doi.org/10.1007/978-3-540-74119-0_3[details]
Faber, C., van der Geer, G., & Looijenga, E. (2010). Classification of algebraic varieties. (EMS series of congress reports). European Mathematical Society. https://doi.org/10.4171/007[details]
2008
Edixhoven, B., van der Geer, G., & Moonen, B. (2008). Modular forms on Schiermonnikoog. Cambridge, UK: Cambridge University Press. [details]
Duminil-Copin , H. (editor), Kappeler, T. (editor), Seidel , P. (editor) & van der Geer, G. (editor) (2012-2021). Monographs in Mathematics (Journal). http://www.ems-ph.org/qsearch.php?series=emm
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