The goal of the seminar is to learn about the basic de finitions and properties of stacks, discuss some examples, and fi nally to give the proof of Behrend’s trace formula.
Program: pdf
The program uses the following version of the stacks project book: dvi
Organizer: Andre Chatzistamatiou,
Talks
| 14.10. | Andre Chatzistamatiou | Overview |
| 21.10. | Anna Fluder | Descent |
| 28.10. | Annabelle Hartmann | Algebraic Spaces |
| 4.11. | Abolfazl Mohajer | 2-categories, fibered categories, stacks |
| 11.11. | Lars Kindler | Algebraic Stacks |
| 18.11. | Stefan Kukulies | Groupoid representation of an algebraic stack and BG |
| 25.11. | Kay Rülling | Example: Moduli of Abelian Varieties |
| 2.12. | Philipp Hartwig | The coarse moduli space for algebraic stacks |
| 9.12. | Philipp Gross | Finiteness theorem and Leray spectral sequence |
| 16.12. | Marcello Bernardara | The Leray spectral sequence for fibrations and purity |
| 13.1. | Andre Chatzistamatiou | Cohomology of BGL_n and proof of the trace formula |
| 20.1. | Lei Zhang | The trace formula for Deligne-Mumford stacks |