Arithmetic of character varieties of free groups
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Event details
Date | 24.11.2014 |
Hour | 15:15 › 17:00 |
Speaker | Markus Reineke, (Wuppertal) |
Location | |
Category | Conferences - Seminars |
Via counting over finite fields, we derive explicit formulas for the E-polynomials and Euler characteristics of GL(d)- and PGL(d)-character varieties of free groups. We prove a positivity property for these polynomials and relate them to the number of subgroups of finite index.
Practical information
- Expert
- Free
Organizer
- Tamas Hausel