Notes

I write some notes, which reflect my understanding and interests on automorphic representation theory and its related fields.

Algebraic groups and Lie groups:

Root system, Borel-Tits theory, Spherical root system

Smooth affine spherical varieties

Automorphism groups

Harmonic analysis:

Fourier transform

Representation theory:

Transcendental version of the theory of spherical harmonics, Howe duality

Representations of Metaplectic group

G-inner form, Langlands dual group for spherical varieties

Calculations:

Classics:

Luna’s theory of spherical systems, Primitive wonderful varieties

Adams’ conjectures

Weyl integration formula, Plancherel formula for SL2

Factorization of Period Integrals