Character Theory

★★★★☆Undergraduate

📖Definition

Study of representations through trace (diagonal sum) of matrices

📐Formulas

χ_V(g) = tr(ρ(g))
Orthogonality: ⟨χ_V, χ_W⟩ = δ_V,W
Character table
Regular rep decomposition

✏️Examples

예제 1

Character table of S₃

예제 2

Characters of cyclic groups

Applications

Representation classification

Molecular symmetry

Burnside theorem

🔗Related Documents

Applications

#지표#character#trace#대각합