Selected past lectures:

1. Intersection theory (Fall 2025)

2. K3 surfaces

3. Gromov-Witten theory of hyperkähler varieties (Summer 2021)

4. Algebraic Stacks (Fall 2020)

5. Topics in Enumerative Geometry (Fall 2019)

6. Algebraic Geometry II (Spring 2019)

7. Algebraic Geometry I (Fall 2018)

Past seminars:

1. Abelian varieties (with Qaasim Shafi, Sommer 2026)

2. Heidelberg Algebraic Geometry seminar

3. Hilbert schemes of points and infinite dimensional Lie algebras (Sommersemester 2022)

4. Seminar on Donaldson-Thomas theory (Fall 2021)

5. Hilbert schemes and applications, Sommer 2020

6. Quantum Groups & Quantum Cohomology of Symplectic Varieties (Fall 2019, with C. Stroppel)

7. Beyond GIT (Fall 2018)

8. Motivic PT Seminar (Fall 2014)

Conferences:

1. Workshop Moduli in Heidelberg, February 10-13, 2026, Heidelberg

2. Workshop Enumerative geometry of moduli spaces of sheaves, Sep 18/19, 2023, KTH

3. Workshop Curves and K3 surfaces, May 9-12, 2022, Bonn.

4. Hausdorff School Perverse Sheaves in Enumerative Geometry, February 10-14, 2020, Bonn.

5. Bethe Forum Number Theoretic Methods in Quantum Physics, July 15 - 19, 2019, Bonn.