Die Singularitaeten der Humbertflaechen. (PDF 298KB) [The singularities of the Humbert surfaces] (60 minute talk) Tuebinger Colloquium Conference, Universitaet Erlangen, Erlangen, Germany, 10 June 2023.
Kurven vom Geschlecht 2 auf abelschen Produktflaechen. [Curves of genus 2 on abelian product surfaces] (60 minute talk) Tuebinger Colloquium Conference, Universitaet Duisburg-Essen, Essen, Germany, 27 August 2022.
Modulkurven auf Humbertflaechen [Modular curves on Humbert surfaces]. (60 minute talk) Tuebinger Colloquium Conference, Universitaet Heidelberg, Heidelberg, Germany, 4 May 2019.
Subcovers of curves and moduli spaces. (45 minute talk) Geometry at the Frontier III Conference (Lange Fest), Universidad de la Frontera, Temuco/Pucon, Chile. 13 November 2018.
Moduli problems attached to isomorphisms of elliptic Galois representations. (Keynote address, 90 minutes) Workshop Alpbach 2018: Galois representations and heights, Alpbach, Austria, 1 July 2018.
Galoisdarstellungen von elliptischen Kurven mit komplexer Multiplikation. [Galois representations of elliptic curves with complex multiplication]. (60 minute talk) Tuebinger Colloquium Conference, Universitaet Erlangen, Erlangen, Germany, 8 May 2018.
Intersections of Humbert surfaces and binary quadratic forms. (50 minute talk) Conference on Arithmetic Aspects of Explicit Moduli Problems, Banff International Research Station (BIRS), Banff, Canada. 30 May 2017.
Durchschnitte von Humbertflaechen und binaere quadratische Formen [Intersections of Humbert surfaces and binary quadratic forms]. (60 minute talk) Tuebinger Colloquium Conference, Universitaet Augsburg, Augsburg, Germany, 6 May 2017.
Intersections of Humbert surfaces and binary quadratic forms. (45 minute talk) Quebec-Maine Number Theory Conference, Laval University, Quebec, 9 October 2016.
Perfekte Kuboide und die Kastenvarietaet [Perfect cuboids and the box variety]. (60 minute talk) Tuebinger Colloquium Conference, Universitaet Duisburg-Essen, Essen, Germany, 21 May 2016.
Subcovers of curves and moduli spaces. (60 minute talk) R.D. Accola Memorial Conference, Boston University, Boston, MA, USA, 19 March 2016.
Perfect cuboids and the box variety. (55 minute talk) CMS Conference, Section in Arithmetic Geometry, McMaster University, Hamilton, Ontario, 7-8 December 2014.
Perfect cuboids and the box variety. (45 minute talk) Quebec-Maine Number Theory Conference, Laval University, Quebec, 27 September 2014.
Hurwitz spaces for hyperelliptic curve covers. (60 minute talk) Conference in Algebra and Number Theory, Tel Aviv University, Tel Aviv, Israel, 2 May 2014.
Tensor products of Galois representations. (50 minute talk) Ram Murty's 60th Birthday Conference, CRM, Montreal, P.Q. 15 Oct 2013.
Humbertsche Schemata und Durchschnitte von Humbert Flaechen [Humbert schemes and intersections of Humbert surfaces]. (60 minute talk) Tuebinger Colloquium Conference, U Erlangen, Erlangen, Germany. 8 June 2013.
