Affine Grassmannian

The affine Grassmannian is a key ingredient in many talks dealing with the geometric (=automorphic) side of the Geometric Langlands correspondence.

Sources:

• 1. Sections 4.5.1-4.5.2 of [BD];

  2. Section 2 of Mirkovic-Vilonen's paper.

  3. Sections 2 and 3 of these notes.

  4. Notes by R. Reich.