Tutorial Coordinates and Characters Occurrence Matrices Parameters Introduction Parameters for \(SL(2,\mathbb R)\) Parameters for Real Tori The characters of \(S^1\) The characters of \({\mathbb R}^{\times}\) Characters of \({\mathbb C}^{\times}\). The Character Differential Trivial Representation of \(SL(2,R)\) ← PreviousReal FormsNext →Occurrence Matrices