Current teaching:
Summer 2026 (Bonn)
Seminar ``Stacks, matrix factorizations, and the D-equivalence conjecture".
We plan to discuss the following papers of D. Halpern-Leistner (one in collaboration with S. Sam): arXiv:1203.0276, arXiv:1601.02030, arXiv:2010.01127
Time and place: Fridays 10 am-12 pm in Seminar room 0.007, Endenicher Allee 60.
Here is a draft of the proposed talks, updated with dates.
Javier Herrero Cañedo and Tudor Şarpe are organizing a learning seminar on ``Bridgeland stability conditions", see the plan here.
Time and place: Wednesday 6pm-8pm in Room N0.008.
Please contact them (s03jherr@uni-bonn.de and tsarpe@uni-bonn.de) if you are interested in attending.
Future teaching:
Winter 2026 (Bonn)
Class ``Perverse sheaves". Time and place: TBA.
The course will introduce perverse sheaves and discuss applications in algebraic geometry and representation theory. References for the lectures are: P. Achar ``Perverse Sheaves and Applications to Representation Theory", M. A. de Cataldo and L. Migliorini ``The Decomposition Theorem and the topology of algebraic maps", and M. A. de Cataldo ``Perverse sheaves and the topology of algebraic varieties".
Advanced Topics in Algebra (``Derived categories of coherent sheaves'') at Bonn in Winter 2025. Here are typed notes by Tudor Șarpe and Maxim Jean-Louis Brais (first 21 lectures).
Modern Algebra II at Columbia in Spring 2023.
Calculus III at Columbia in Fall 2022.
Calculus II at Columbia in Spring 2022.
Calculus III at Columbia in Fall 2021.
Review of single and multivariable calculus (18.089) at MIT in Summer 2018 (with Kevin Sackel) and Summer 2019.