Spectral Analysis for $GL_2$
- Modular Forms viewed on Groups
- Basic Representation Theory
- Classification of Unitary Irreducible Representations of $PGL_2(R)$
- Spectral Analysis of $PGL_2(Z) \backslash PGL_2(R)$
- Global Analysis for Congruence Subgroups
- Pre-classification of Admissible Irreducible Representations of $GL_2(Q_p)$
- A Talk as Summary and Extension