The tt-geometry of permutation modules. Part I: Stratification
- Resource Type
- Working Paper
- Authors
- Balmer, Paul; Gallauer, Martin
- Source
- Subject
- Mathematics - Representation Theory
Mathematics - Category Theory
18F99, 20C20, 20J06, 18G80
- Language
We consider the derived category of permutation modules over a finite group, in positive characteristic. We stratify this tensor triangulated category using Brauer quotients. We describe the set underlying the tt-spectrum of compact objects, and discuss several examples.
Comment: 34 pages