Various expository notes

1. Dirac operators, used for the 2023 GQT summer school.
   
2. Tensoren (in Dutch), used for the course Linear algebra B, Radboud University (2022).
   
3. Harish-Chandra's Plancherel formula for SL(2,R).
   
4. Reduced C*-algebras of reductive Lie groups, used for a mini-course at East China Normal University (2017).
   
5. The discrete series of semisimple groups.
   
6. Exercises on symplectic geometry, used for the course Symplectic geometry, University of Adelaide (2013). These exercises include proofs of some well-known theorems, broken up into steps.
   
7. Geometry of the momentum map, with Gert Heckman, Lecture notes for summer school Lie groups in Geometry and Physics, Utrecht University (2004).