This is the schedule for the working group seminar for the representation theory group at the University of Bonn. This semester's topic is **Heisenberg categorification** (maybe we will cover *double affine Hecke algebras* later in the semester).

The seminar runs Friday afternoon, **14:15–15:45**, in **1.008**

- April 12
- Catharina Stroppel
- Heisenberg algebras and a graphical calculus
- April 25 (!)
- Hankyung Ko
- The quantum Heisenberg algebra
*This talk is at 16:15–17:45, in the Zeichensaal, Wegelerstraße 10*- May 3
- Vinoth Nandakumar
- The quantum Heisenberg algebra (II)
~~May 10~~~~Tomasz Przezdziecki~~~~The elliptic Hall algebra~~*cancelled*- May 16 (!)
- Catharina Stroppel
- The elliptic Hall algebra
- May 17
- Thorsten Heidersdorf
- Hochschild homology of the quantum Heisenberg category
- May 24
- Ruslan Maksimau
- Properties of elliptic Hall algebras
- May 31
- Pieter Belmans
- The 2-category $\operatorname{Hilb}S$
- June 7
- Rostislav Devyatov
- The Heisenberg action on $\operatorname{Hilb}S$