En cours de chargement...
- TORSORS
- Torsors: general theory
- Examples of torsors
- Abelian torsors
- DESCENT AND MANIN OBSTRUCTION
- Obstructions over number fields
- Abelian descent and Manin obstruction
- Abelian descent on conic bundle surfaces
- Non-abelian descent on bielliptic surfaces
- Homogeneous spaces and non-abelian cohomology