| Datum | Vortragende(r) | Vortragstitel |
| 6.4.2009 | Markus Schepke | Primzahlerzeugende Funktionen |
| 20.4.2009 | Prof.em. Dr. Ron King (Southampton) | Littlewood-Richardson coefficients, the hive model and Horn inequalities (Abstract) |
| Dienstag, 21.4.2009, 17.15 Uhr, Kleiner Physik-Hörsaal F 342 Kolloquium! | Prof.em. Dr. Ron King (Southampton) | araboson and parafermion statistics and their connection with Schur function series restricted by column or row lengths (Abstract) |
| 27.4.2009 | Stefano Morra (Versailles) | An introduction to the local p-adic Langlands correspondence, and the lattice problems |
| 4.5.2009 | Prof. Dr. Stephanie van Willigenburg (Vancouver/Hannover) | The combinatorics of Macdonald polynomials I (Abstract) |
| 11.5.2009 | Prof. Dr. Stephanie van Willigenburg (Vancouver/Hannover) | The combinatorics of Macdonald polynomials II (Abstract) |
| 18.5.2009 | Prof. Dr. Stephanie van Willigenburg (Vancouver/Hannover) | The combinatorics of Macdonald polynomials III (Abstract) |
| 25.5.2009 | Benjamin Schmidt (Hannover) | Die Teiler-Matrix Dirichletreihen SL(2,Z) |
| 8.6.2009 | PD Dr. Thorsten Holm (Hannover) | A cluster structure of type A infinity and triangulations of the infinity-gon (Abstract) |
| 15.6.2009 | Dr. Frank Vallentin (TU Delft) | Covering maxima (Abstract) |
| Dienstag, 23.6.2009, 17.15 Uhr, Kleiner Physik-Hörsaal F 342 Kolloquium! | Prof. Dr. Bernhard Keller (Paris 7) | The periodicity conjecture via 2-Calabi-Yau categories (Abstract) |
